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[Blog] SRE Report 2023 - Do We Share the Same Thoughts?

What is the essential thing? The "gap" in understanding between the practical staff and the management team.

The SRE report contains trends and anti-patterns that make us pause and reflect every year. For example, last year we found that labor levels had significantly decreased globally. However, despite the large-scale resumption of business this year, labor levels have further declined. This is a paradox, and it is undoubtedly necessary to examine it closely. In this year's report, we conducted a detailed investigation of responses to questions regarding specific opportunities and challenges, categorized by role and rank (e.g., individual contributors and executives), revealing interesting patterns. [Contents (partial)] ■ Value derived from AIOps ■ Recognition of "nothing to blame" ■ Prioritization trends of product suites ■ Impact of mass turnover ■ Communication and collaboration *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.

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[Blog] How to Solve the "Maximum Character Limit for SPF"?

By optimizing DNS records, it becomes possible to enjoy an error-free implementation.

There is a limit of 255 characters for SPF records, and exceeding this limit can corrupt the SPF, potentially leading to authentication failures. If you see the message "SPF exceeds maximum characters limit," it simply means that your DNS's SPF record is longer than the character limit specified in RFC7208. This can be problematic, especially when email delivery heavily relies on SPF compliance. [Contents] ■ Optimize to stay within the length limit of SPF ■ What happens if the SPF character limit is exceeded? ■ Strictly adhere to SPF record limits with PowerSPF *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.*

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[Blog] What is a DNS SOA Record?

Load balancing through zone transfer! Introduction to its importance, structure, procedures, and more in the blog.

The exact number of active websites continues to change, but on average, 175 new websites are created every minute. This means that 252,000 new websites are born each day. Needless to say, users cannot reach their desired page without entering the URL of the website. This is where the role of the DNS SOA record begins. What DNS records are and their types have already been explained previously. In this article, you will learn what a DNS SOA record is. Please read on to understand its importance, structure, procedures, and more. [Contents (excerpt)] ■ What is a DNS SOA record? ■ Why is an SOA record necessary? ■ What is zone transfer in DNS? ■ How does an SOA record function? *For more details about the blog, you can view it through the related links. Please feel free to contact us for more information.

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[Blog] Explanation of Overriding DMARC Policy

A very important factor in preventing email spoofing and impersonation! Introduction to a blog article.

This article will provide a detailed explanation of what DMARC policy overriding is, how it works, the difference between DMARC policy overriding and DMARC policy failure, and whether DMARC record overriding is legitimate. Please take a moment to read it. 【Contents (Excerpt)】 ■ Explanation of DMARC policy overriding ■ Understanding the DMARC policy overriding mechanism ■ The five values of DMARC policy overriding ■ Is DMARC policy overriding allowed? ■ Should DMARC policy overriding reports be sent? *For more details, you can view the related links. Please feel free to contact us for further information.

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How to fix the 550 SPF Check Failed?

Solve it with a few simple steps! Introduction to troubleshooting and more on the blog.

The message "550 SPF Check Failed" is a common error prompt that may occur when the sender's DNS lacks an SPF record, has an invalid record, or is triggered by third-party spam filters. An important point regarding this type of error is that it is usually the sender's responsibility, not the recipient's, and it can be resolved with a few simple steps. 【Contents】 ■ About SPF ■ What is the "550 SPF Check Failed" error? ■ Possible causes of the "550 SPF Check Failed" error ■ Troubleshooting the 550 SPF Check Failed Error *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.*

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Relevant laws and regulations <Impersonation emails>

Starting with invoices and compliance with PCI DSS 4.0. It is related to phishing emails.

We will introduce the laws and systems related to phishing emails. Under the "Invoice System," it is stated that "when digitizing qualified invoices, it is necessary to implement phishing email countermeasures, similar to the Electronic Bookkeeping Act." The "Revised Electronic Bookkeeping Preservation Act" requires that "when sending invoices or receipts via email, they must be stored as electronic data." For more details, please be sure to read the published catalog. 【Related Laws and Systems】 ■ Invoice System (starting October 1, 2023) ■ Revised Electronic Bookkeeping Preservation Act (mandatory from January 1, 2024) ■ PCI DSS 4.0 compliance (by March 31, 2024) *For more information, please refer to the PDF materials or feel free to contact us.

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[Information] Cloudflare Company and Service Overview

Providing performance, security, reliability, and insights for anything connected to the internet!

Spelldata is the first agency in Asia and Japan to be certified as a managed service provider by Cloudflare in April 2020. This document includes an overview of Cloudflare, its features, and a summary of performance services. With high technical skills and implementation achievements, we support the introduction of Cloudflare on your site and maximize its performance. [Contents (partial)] ■ About Cloudflare ■ Overview of Cloudflare ■ Global Cloud Network ■ Integrated management of all origin infrastructure at the edge ■ Features of Cloudflare *For more details, please refer to the PDF document or feel free to contact us.

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Cloudflare's TTL

Determining the priority of Cloudflare's TTL with a chart! Explained in an easy-to-understand way!

The determination of TTL in Cloudflare is complexly influenced by Cloudflare's Workers, Page Rules, and default caching. The related links explain this determination in a chart. It also provides explanations about "Expires and Cache-Control" and "Public and Private," so please take a look. 【Overview】 ■ For cache expiration, there are the absolute time-specified Expires header and the relative time-specified Cache-Control header. ■ The Cache-Control header can specify either the Public or Private directive to allow or disallow caching by intermediate proxies. *For more details, please refer to the related links page or feel free to contact us.

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Measures against email impersonation and email encryption specifications: What is MTA-STS?

Complete the encryption of the email delivery route along with SMTPS, POPS, and IMAPS!

On our company website, we introduce measures against spoofing emails and the specifications for email encryption. "MTA-STS" (Mail Transfer Agent Strict Transport Security) is a mechanism that allows email service providers to declare their ability to receive secure SMTP connections via TLS and specify whether to reject delivery to MX hosts that do not provide TLS with a trusted server certificate from the sending SMTP server. In the related links, we provide a detailed introduction to the issues with STARTTLS and the features of MTA-STS. Please take a look. [Contents] ■ Issues with STARTTLS ■ Mechanism of MTA-STS *Detailed information can be viewed from the related links. For more information, please feel free to contact us.

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[Blog] Why Page Speed is a Factor in Determining Search Rankings

The search is until the data on the web page is displayed! Would you like to measure the display speed?

Google's emphasis on display speed in determining search rankings can be understood by considering where the "starting and ending points of the experience" are. The display of search results is not the endpoint of the search action; rather, the search action continues until a link is clicked from the list of search results and the actual web page data is displayed. If you are delivering high-value content or providing sufficient information about products and services, yet your search ranking is not improving or is declining, it is likely that your display speed is slow. If you suspect that your display speed may be slow, I highly recommend measuring it at least once. 【Overview】 ■ "The field trip is not over until you get home." ■ The reason Google prioritizes display speed in determining search rankings. ■ Would you like to measure your display speed? *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.

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[Blog] Types of Websites

Choose from five types according to the desired results and specialize! Introduction to topics such as 'e-commerce sites'.

According to Google's digital marketing evangelist, all websites can be categorized into five types. E-commerce sites aim to increase the number of sales of products or services, while sites focused on lead generation aim to increase the number of inquiry form submissions. There are differences in goals based on the type of website. Unfortunately, it would be great if all five goals could be achieved with a single website, but that is quite difficult. Instead of being greedy and wanting "this and that," let's choose one necessary type of website for the current company and specialize in creating it. By doing so, it will become easier for people to understand, and the skills of the web manager will improve, leading to the development of a better website. *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.

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[Blog] "Correctness Harassment" and Engineering Ethics

Training IT engineers is training specialists! If ethics and quality decline, the overall evaluation and trust in the industry will decrease.

In America, IT engineers, as well as other engineers and various professions, cannot enter their jobs without graduating from a specialized department at a university. I believe that the perception of criticism towards beginners' technical mistakes as "correctness harassment" is due to unique circumstances in Japan. When writing any technical article, one would have learned the conventions of technical writing by the time they graduate from an engineering department, and they would likely not make common mistakes typical of beginners. In America, there is a clear classification regarding engineers. [Overview (Partial)] ■ "Correctness Harassment"? ■ What is an Engineer? ■ IEA and the Seoul Agreement ■ What is Engineering? *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.

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[Blog] Introduction to Web Performance: Tips for Image Tuning

Make images larger, more beautiful, yet lightweight! Introducing image optimization techniques on the blog.

Visual content is essential for modern websites, and even minimalist web design relies on sharp and beautiful images for a complete end-user experience. In recent years, screen sizes have diversified from smartphones to tablets, laptops to desktop PCs, making it important to use high-quality images that can be displayed correctly across various viewports. Images that are blurry or low-resolution can make a website's design look shabby, ultimately having a negative impact on the end-user experience. This article discusses major image optimization techniques. [Overview] ■ How to choose image formats ■ Image compression ■ Using CSS sprites ■ Adjusting image sizes to display sizes *For more details about the blog, please refer to the related links. Feel free to contact us for more information.

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[Blog] ICP License Required for Business Targeting China

The gradually clarified regulations in China! What has changed with Notice No. 264? Introducing it in the blog.

On November 27, 2017, the Ministry of Industry and Information Technology (MIIT) of the People's Republic of China issued an important notice regarding internet business in China. This is Circular 264. The implementation of this notice will take effect on January 1, 2018. This notice will have a significant impact on websites conducting business online in China, including manufacturing, cross-border e-commerce sites, hotels, and inns. [Overview] ■ What is ICP? ■ What is an ICP License? ■ What has changed with the Cybersecurity Law? ■ What has changed with Circular 264? ■ Measures for Circular 264 ■ Summary *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.

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[Blog] Response times surge due to AWS outage

Quickly detect AWS outages and issue alerts! Reasons to use tools other than vendor monitoring tools.

On August 31 (Tuesday), users in a wide area of the West Coast (US-West-2 region) were affected by a significant spike in response times. Among AWS's critical services, Lambda and Kinesis were impacted. The SRE team is concerned about service level indicators (SLIs) and service level objectives (SLOs), and this practice is essential for the SRE team. However, unlike Google, the founder of SRE, most companies rely on infrastructure and services from other providers like AWS and GCP, as well as multiple CDNs. In other words, it is not only necessary to have SLIs and SLOs for their own applications and services, but they also need to carefully evaluate their providers and vendors. *For more details, you can view the blog through the related link. Please feel free to contact us for more information.*

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Google Cloud's outage has a widespread impact on end users.

The importance of introducing a third-party monitoring system! Introduction to incident reviews.

Internet outages can catch you off guard when you're trying to implement what’s in the incident response handbook, whether you are an end user or the head of an SRE (Site Reliability Engineering) or DevOps department, all while trying to maintain your composure. For those responsible for providing reliable services to customers, typical outages include situations that should be resolved as quickly as possible, akin to a fire alarm or video call ringing. That said, we often forget what outages mean for end users. On Tuesday, November 16, 2021, for some reason, I was reminded of the feeling of having just put on mismatched shoes. **Overview** - From the end user's perspective: Google not found error - Outage of 2021 - Catchpoint observed a sharp increase in test failures - "Bugs lurking in network configuration services" - Three important lessons for any company *For more details, please refer to the related links. Feel free to contact us for more information.*

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[Blog] Major Insights Gained from Cyber 5 in 2021

Web performance measures for busy periods implemented by top-selling e-commerce sites.

You are not the only one who shopped online during this year's holiday season. The "Cyber Five," the five days between Thanksgiving and Cyber Monday, accounted for one-fifth of total e-commerce sales in November and December 2021 (despite a slight decrease in overall spending compared to last year). Americans spent $8.9 billion on Black Friday and $10.7 billion on Cyber Monday. Thus, the Cyber Five is a crucial time for businesses to ensure their websites run smoothly and to handle the increase in traffic. If you want to know how top e-commerce sites performed overall during the Cyber Five period, please read on. [Overview (Excerpt)] ■ 2021 Cyber Five Benchmark Report ■ Measurement of Key Performance Indicators *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.

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[Blog] Catchpoint's Profile: The Past and the Future

Provide an amazing employee experience! It requires a strong team for planning, execution, and behind-the-scenes work.

A global HR and recruitment officer at Catchpoint grew the company from just a handful of employees in 2009 to over 300 employees worldwide. With over 20 years of experience in HR and talent management, they have led teams at Getty Images, Guardian Life Insurance, and DoubleClick. In this blog, we present an interview format discussing the people and culture of Catchpoint as seen through 13 years of HR recruitment. Please take a moment to read it. [Excerpt from the content] ■ When did you first meet the co-founders? ■ What is unique about Catchpoint's culture? ■ How do you view the employees? ■ Please tell us about recruitment. ■ As Chief People Officer, what challenges have you faced? *For more details about the blog, you can view it through the related links. Feel free to contact us for more information.

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[Blog] Working Anywhere - What Bandwidth Do You Need?

Doubling the bandwidth ensures ample space! It avoids hassle and dissatisfaction.

Since 2020, we have been in an era where "you can work from anywhere," but managing employee experience is still a challenge for many companies. Most employees continue to work remotely, and there has been an increase in moving to new locations, which means that user experiences can vary greatly depending on the employee's location and the ISP they use. In this blog, we will focus on general internet users, such as remote workers engaged in common tasks like conference calls, and provide detailed explanations about available bandwidth. We encourage you to read it. [Contents] ■ Experiences of remote work ■ Available bandwidth for work (or other online activities) ■ A bit more bandwidth is needed *You can view the detailed content of the blog through the related links. Please feel free to contact us for more information.

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[Blog] Solving Network and VPN Performance Issues

Quickly resolve issues related to employee experience! We provide what the IT team needs.

Catchpoint for employee experience monitoring provides what IT teams need. It can monitor the underlying network connections of users' home Wi-Fi and upstream broadband ISPs in relation to the tunnel network of VPN overlay connections. This blog explains events that have impacted the employee experience in companies. [Contents] - Practices for employee experience monitoring - Rapid troubleshooting through endpoint monitoring *For more details on the blog, please refer to the related links. Feel free to contact us for more information.

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[Blog] A New Approach to SaaS Observability

Provides insights from the perspectives of availability, accessibility, performance, usage rate, adoption rate, and more!

Catchpoint first adopted a decentralized work model in 2020, and now most companies are continuously implementing hybrid work styles. Meanwhile, in recent years, the use of SaaS has exploded. It enables agile collaboration among distributed teams across all business functions, from finance to sales. In this blog, we provide a detailed explanation of a new approach to SaaS observability. We encourage you to read it. [Contents] ■ Ensuring a Digital Employee Experience (DEX) is a key challenge ■ Why traditional monitoring approaches are insufficient ■ Catchpoint opens the black box of the modern digital enterprise ■ Want to know more? *You can view the detailed content of the blog through the related links. Please feel free to contact us for more information.

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[Blog] The Importance of Teamwork in Catchpoint Technology

From requirement gathering to maintenance! Let's take a look at how typical features are developed.

Recently, I was talking to high school students who are summer interns at Catchpoint about what software engineering is. They are spending a week in each department of Catchpoint, and last week they were with the Catchpoint Technology Group. This article is aimed at students who, even when told they need to start thinking about going to college, have no idea what they want to do or what skills they need to apply to "real-world jobs." [Contents] - How the Catchpoint Technology Group works - How the Agile software development lifecycle functions - Let's take a look at how typical features are developed - Cheers! *For more details about the blog, you can view it through the related links. Please feel free to contact us for more information.

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[Blog] Harnessing the "Power of Data" with Catchpoint

Explaining the four capabilities necessary for an effective observability solution!

For the past 25 years, I have been monitoring various digital devices, including networks, applications, and services, essentially continuing my quest to understand "when it is safe to cross the road." Crossing the road blindly is extremely dangerous. It depends on the number of data points available and whether that data is complete, meaning whether it is unprocessed RAW data obtained in real-time from reliable sources. Based on that information, you can determine "when" it is safe to cross the road. [Contents] ■ How our brains monitor when crossing busy roads ■ Four capabilities needed for effective observability solutions ■ Welcome to Catchpoint's observability solutions *For more details about the blog, you can view it through the related links. Please feel free to contact us for more information.

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[Blog] Enhancing Agency Employee Productivity through Monitoring End User Experience

Gain a detailed understanding of employees' digital experiences! We will introduce a case study from a major automobile insurance company!

In March 2020, many organizations quickly shifted to a remote work-centric way of operating. For many IT teams across various industries, this meant implementing large-scale emergency measures to ensure that employees could work efficiently from home. Fortunately, especially in the insurance industry, many companies already had remote workers, allowing them to navigate this transition successfully. However, several gaps have been exposed, particularly in monitoring end-user experience, highlighting the need for further IT investment. [Contents] ■ Challenges and Solutions ■ Results ■ Achieving performance monitoring of 4GLTE and 5G with Catchpoint, contributing to increased business productivity ■ VPN monitoring by Catchpoint *For more details on the blog content, please refer to the related links. Feel free to contact us for more information.

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[Blog] What is a DNS AAAA Record?

Mapping a domain to IPv6! An introduction to why it is important and how to add it.

There are eight common types of DNS records, but this article focuses on the DNS AAAA record. This is a type of DNS record that helps browsers direct users to the appropriate web page on the internet. The AAAA record is similar to the A record, but the former is based on IPv6 while the latter is based on IPv4. By reading to the end, you will understand why the AAAA record is important for converting domain names to IP addresses and how to add an AAAA record. Please take a moment to read it. [Contents (Excerpt)] ■ What is a DNS AAAA record? ■ When is a DNS AAAA record used? ■ Benefits of using a DNS AAAA record *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.

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[Blog] What is a DNS A Record?

Linking domain names and IP addresses! Introducing why it's necessary and how to manage it.

In the Domain Name System, an A record is one of the important records that make up a domain name. The DNS A record contains the IP address of the host computer (or hostname) associated with the domain name. If a website is hosted on a server located elsewhere than the site where the domain name is registered, the A record likely points to that location. Let’s take a closer look at what a DNS A record is, why it is necessary, and how to manage DNS A records. [Contents (Excerpt)] ■ What is a DNS A record? ■ Why is an A record necessary? ■ How do you create one? *For more details about the blog, you can view it through the related links. Please feel free to contact us for more information.

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[Blog] What is SPF Include?

What is the "Include" mechanism? An explanation of how to optimize it according to needs.

The SPF "Include" mechanism is a way to keep the criteria and conditions that specific servers must meet in order to improve email deliverability within the SPF record. If you accidentally fail to add a third-party vendor's Include statement to the SPF record, it could cause issues such as emails not reaching recipients, leading to a significant increase in the overall bounce rate. This article explains what the SPF record's "Include" mechanism is and how to optimize the SPF Include statement to meet your needs. We encourage you to read on. [Contents (excerpt)] ■ What is SPF Include? ■ Multiple SPF records are not allowed, but why? ■ How to include multiple domains, hosts, and IP addresses in SPF ■ Understanding the semantics of SPF records *You can view the detailed content of the blog through the related links. Please feel free to contact us for more information.

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[Blog] Principles of Websites Learned from Convenience Stores

Websites are convenient precisely because they are connected to high-speed networks! From the perspective of business models, there are the same basic principles.

Today's website management has become very complex. However, let's set aside the various complicated systems and measures for a moment and consider what is truly important for a website, returning to the fundamentals. In books related to web and marketing, as well as information sites on the internet, various measures are recommended to improve website traffic and conversion rates. [Overview] ■ Businesses that follow the same principles as websites: convenience stores ■ Commonalities between websites and convenience stores ■ Websites delayed by data acquisition ■ Basic principles of websites = Quality of the website *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.

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[Blog] These are the challenges in Japan's web production industry! Part 3

What is the quality of Japanese hospitality? Introduction to an article contributed by veteran web manager Mr. H.

In the previous and the one before that, I expressed my views on the Japanese web industry, but this time I would like to point out the essential concept of "omotenashi," which is crucial for considering the quality of the web, based on my experiences, including its historical transitions. In the service industry, consumer manufacturing, and the web industry, it feels like there is a current trend of actively working on improving customer satisfaction and UX, which I find to be a very positive trend. There is no doubt that improving customer satisfaction and UX contributes to business, and I believe this common understanding has taken root in the web industry. [Overview] ■ What is "Japanese omotenashi" in the first place? ■ Disadvantages of trust-based transactions ■ A failure story from a certain enthusiast ■ Summarizing the changes of the times ■ What Spelldata thinks about customer satisfaction and customer delight ■ Author's profile *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.

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The Wisdom of Crowds: The Value of User Sentiment Observability

Why user sentiment observability is important? Introduction in the blog.

When people are dissatisfied with a business, what is the first thing many of them do? They complain on social media. By observing these comments—conducting user sentiment observability—we can detect issues that may have a significant impact on UX in advance when they arise. How can we monitor customer feedback? And why is it important? Let's think deeply about these issues. [Overview] ■ Why is user sentiment observability important? ■ How can user emotions be monitored and measured? ■ The importance of perspective *For more details about the blog, you can view it through the related links. Please feel free to contact us for more information.

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