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Mail Domain Check: How to Verify Email Domain Health

Mail Domain Check: How to Verify Email Domain Health

In today’s digital age, email communication plays a crucial role in our personal and professional lives. However, with the ever-present threat of phishing attacks, spam, and other email-related security issues, it’s essential to ensure the safety and authenticity of your emails. This post will show you how to check email domains and prevent yourself from fraud and scams.

Why is mail domain check important?

  • Prevent email spoofing. With a mail domain check, you can minimize the chances of email spoofing, where malicious parties impersonate a brand’s domain to send fraudulent emails.
  • Protect against phishing. You can verify the source of an email, reducing the risk of falling victim to phishing attacks. Legitimate senders will have proper email domain configurations.
  • Enhance email deliverability. If you’re the email domain owner, keeping proper SPF and DMARC records increases the chances of your emails reaching the recipient’s inbox, rather than getting flagged as spam.
  • Maintain a good reputation. A well-maintained email domain helps build a positive email reputation, which is crucial for reliable email communications.

How to check mail domain health?

Performing a mail domain check is relatively easy. There are various online tools and services available that can help you check the health and configuration of your email domain.

— Extract email domain

The domain is the part of the email address that comes after the @ symbol. For example, the domain for is However, sometimes you need to remove additional characters to find the primary domain. In the example,, the primary domain lies in

— Check email address

If you receive doubtful emails from brands (such as Amazon or USPS) and you suspect that someone is impersonating them, your go-to choice is to perform a reverse email lookup.

Simply type an email address into the search bar and tap Enter on the BeenVerified search page. It looks at multiple databases to find potential sender’s name and identity matches and may even pinpoint the sender’s location.

What may you know about the email sender?

  • Real name and age
  • Address history and property information
  • Contact information
  • Social media profiles
  • Education, job and employer info
  • Possible relatives and associates
  • Criminal and traffic records
BeenVerified Email Report

If you find the email sender has no corresponding background with such brands, you’d better be careful before making financial decisions.

Please note that you need to select a plan before accessing BeenVerified reports as it’s a paid service.

— Evaluate email health

Many online tools offer free domain checkers to identify problems related to blacklisting, mail servers, web servers, and DNS issues. 

MXToolBox executes hundreds of domain, email, and network performance tests to make sure that all of your systems are online and performing optimally. It will use DNS to obtain the hostnames of your Mail server, Web server, and DNS servers and then query them to identify potential problems. In this way, it helps you monitor domain reputation and functionality.

  1. Go to
  2. Enter an email address or domain name, and click Check Email Health.
  3. You’ll immediately get a result listing all the errors, warnings, and passeds on this page based on 5 diameters.

In the listed problems, you can click More Info to view details. 

— Monitor mail domain reputation

Google provides a free tool named Postmaster Tools that will directly illustrate your domain reputation based on the engine’s standard. But note that it only applies to Gmail. 

Generally, it shows data about SPF/DKIM/DMARC failures, spam complaints, IP reputation, encryption success rate, and more. Simply follow the Google instructions to add your domain to Postmaster Tools and verify your domain.

Ensuring the security and authenticity of your emails is of paramount importance. Try the above methods and do your work. If you have other thoughts and fixes, please don’t hesitate to share them with us.

Cyber attack icons created by HJ Studio – Flaticon

exclamation-blueThere’s no guarantee you’ll find the information you’re looking for with the tools discussed in this article. They all source their information from publicly available data sources, such as county, state and federal courts, government departments, and police records, and those sources may contain incorrect or incomplete data. It’s illegal to use these tools to make decisions about employment, admission, consumer credit, insurance, tenant screening, or any other purpose that would require FCRA compliance. Read the Fair Credit Reporting Act to learn more....

By Yuki Huang

Yuki's curiosity knows no bounds when it comes to knowledge. With two years of programming under her belt, she's embarked on thrilling projects that showcase her unique blend of creativity and analytical acumen. From developing a captivating poetry website to diving into the depths of data analysis and venturing into the world of mobile app development, she became excellent at Internet research and data mining.

But her journey doesn't end in the classroom. Prior to joining Super Easy, she has honed her writing skills as a contributor at SHEIN, delved into the intricacies of marketing as a specialist for an international e-commerce company, facilitated dreams as an educational consultant for a company assisting individuals in studying abroad, and lent her IT expertise as an assistant for This breadth of experience has enriched her perspective on the digital landscape, making her a true expert in uncovering hidden gems on the web.

Yet, Yuki's interests extend far beyond the digital realm. When she's not crafting informative content, she's often found taking refreshing dips in the pool, embarking on thrilling adventures around the globe, or immersing herself in the captivating realm of theater. These passions not only rejuvenate her spirit but also serve as a wellspring of creativity, ensuring that her writing remains vibrant, engaging, and relatable.

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