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Email Verification: Email Address and IP Address | A Free

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Email Verification
Email Verification: Email Address and IP Address

Email Verification is verifying an email address without sending an email by using an email verification tool is a wise and easy method that requires little effort. This is very important, don’t give it up in your email marketing campaigns if you are working on them. This will help you increase the chances of your emails being delivered to the right people for your marketing campaign.

You will find a lot of ways to verify an email address, but the most common is with email verification tools. These tools utilize syntax checks, domain checks, and MX record checks.

Let’s start!

First, we will know about the difference between email verification and email validation. Then we will learn Why is email verification important? How to verify an email address using an Email verification tool Also, Five email verification tools to improve your email campaigns.


What is the Difference About  Email Verification and Email Validation?

Email verification is the process of verifying that an email address is active and valid. It can be said, in other words, that the email address is valid and can receive messages from senders. It involves checking various factors such as syntax, domain, MX record, catch-all, and email address ping to determine the validity of the address.

Email validation is the end result of the user email verification process. It assigns one of three statuses to an email address: “valid,” “invalid,” or “unverifiable.” Validation may also involve reviewing additional details associated with the email or assessing its score.

Why is Email Verification Important?

The reasons why email verification is important include the following:
  • It helps to improve your email deliverability. When you send emails to invalid or inactive email addresses, your emails are more likely to bounce. This can impact or cause problems with your email delivery, such as your emails not likely to be delivered to the people you want to receive your emails. 
  • It helps to protect your reputation. If you send emails to invalid or inactive email addresses, you may be marked as a spammer. You can say that it damages your reputation as a sender. And it can make your emails in the future more hard to deliver.
  • It helps to save you time and money. The good thing you want to know checking or verifying your email addresses helps you avoid wasting time and money. Undelivered email messages can be taken advantage of so that they are delivered to the recipient.
  • Keeping email lists updated: Around 22.5% of email addresses become invalid each year due to changes in employment or other factors. To point out, regularly verifying your email lists helps maintain their accuracy and reduces bounce rates. It is recommended to verify your email list at least once every two months.

How to Verify an Email Address Using an Email Verification Tool?

To list, most email verification tools follow these steps:
  1. Syntax and formatting check: This step ensures that the email address is correctly formatted and free of any errors.
  2. Domain check: The tool verifies the existence and registration status of the domain associated with the email address. It checks DNS and MX records to ensure the domain is valid.
  3. Email ping: The tool uses the SMTP protocol to check if the email address exists and can receive emails. A positive response indicates a valid address, while a negative response indicates an invalid address.
  4. Catch-all check: The tool determines if the email address belongs to a catch-all domain, which accepts emails even if the local part is gibberish. Catch-all domains are considered unverifiable.
  5. MX record check: This step verifies the mail exchange entry listed in the email address to ensure it corresponds to a registered and hosted domain.

Five Email Verification Tools to Improve Your Email Campaigns:

  1. Hunter.io: This tool quickly verifies email addresses and performs validation checks using a database of over 100 million email addresses.
  2. Emailchecker.com: Email Checker is a complete email verification tool that detects syntax errors, domain name problems, and known spam traps.
  3. Bouncer: Bouncer is a flexible and GDPR-compliant email verification tool with an easy-to-use interface.
  4. ZoomInfo.com: While ZoomInfo offers excellent data, it may be more expensive for growing teams.
  5. Wiza.co: Wiza.co specializes in locating and validating email addresses, particularly those associated with LinkedIn Sales Navigator and LinkedIn.
Other methods to check email validity: Apart from using email verification tools, you can also:
  • Search the email address in Google: So, this method can be useful for checking a few email addresses without risking your domain’s reputation.
  • Conduct an IP address lookup: By using IP address lookup tools like MXToolbox, you can find the IP address associated with the recipient’s email server. This can help identify potential email spoofing or harmful addresses.
  • Check a DNS lookup: DNS check allows you to verify the legitimacy of a domain. MX-Toolbox-DNS Check is a useful tool for checking the DNS record data of a domain.

Example of an IP Address Lookup

To start the process, you need to find the IP address of the recipient as a first step:
1. In your browser, go to MX.Toolbox.
2. Enter the recipient’s email address and click MX. Lookup.
3. A list of IP addresses associated with an email address will appear.

IP Address Checker Tool
IP Address Checker Tool MX ToolBox.

Let’s start, searching for the IP address.
You can find out your IP address by using online tools such as whatismyip.com. To get the IP address of the recipient’s email server.

whatismyip.com site page
whatismyip.com site page

You can double-check the information provided in the lookup results for location servers and ISP. If you notice anything unusual, it’s most likely an instance of email spoofing, and the email address is potentially harmful.

Example: How to Check a DNS Lookup

In this case, to check a DNS Lookup. To begin with, you can check the domain’s legitimacy. Follow the steps below to learn this technique:
  • In your browser, go to MX-Toolbox-DNS Check.
  • Enter the recipient’s domain name and click DNS check.
  • You’ll obtain a list of host name and details of the DNS record data.
  • You will see the result details of the provided domain. See the picture below.

DNS Check by MXToolbox
DNS Check by MXToolbox


Email verification is a vital part of any email marketing campaign or strategy. By checking and verifying your email addresses before sending emails. You may improve email delivery, protect your reputation, and save time and money. Also, by searching email addresses in Google or conducting IP address and DNS lookups can provide additional insights into email validity.

It may be interesting to read about 10 Effective Email Marketing Strategies: Unlocking Success.


Are there any free email verification services available?
Yes, there are free email verification services available, some of the most popular include:
  • ZeroBounce
  • Verifalia
  • Hunter.io
  • MailerLite
If you only need to verify a few email addresses, a free service may be sufficient. However, if you need to verify a large volume of email addresses or you need more advanced features, a paid service may be a better option.

How to verify if an email address is real or fake for free?
There are a few ways to verify if an email address is real or fake for free. Here are four methods:
1. Use an email verification service.
2. Send an email to the address.
3. Search the address in Google.
4. Use a reverse IP lookup tool.