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Troubleshooting: Can’t verify a domain using DNS
Troubleshooting: Can’t verify a domain using DNS

Learn how to troubleshoot issues when verifying a domain using CNAME or TXT records in the DNS.

Jaime Vasconcelos avatar
Written by Jaime Vasconcelos
Updated over a week ago

In order for Probely to run full-fledged scans on your target, you need to verify its domain. Learn more about why do we require you to verify the ownership of the domain of your target?.

The problem

Domain verification using CNAME or TXT records in your DNS fails with the following errors:

  • DNS (CNAME) error: The DNS query name does not exist: <your CNAME record>

  • DNS (TXT) error: Token not found


Troubleshoot the problem

To troubleshoot this problem, go through the following steps to identify the possible causes and respective solutions to fix it.

Step: Check the TTL value

Check the Time to Live (TTL) as follows:

  1. Go to https://toolbox.googleapps.com/apps/dig/ and type the target's URL.

  2. Depending on your domain verification method, click on CNAME or TXT to see the TTL value.

If the TTL value is high, the DNS configuration with the CNAME / TXT record has not been propagated yet, and the domain verification fails.

Cause

Solution

The DNS configuration with the CNAME / TXT record has not been propagated yet.

Wait more time for the DNS configuration to propagate, or go to your authoritative DNS server (e.g., Cloudflare) and reduce the TTL value.

After following these steps, identifying the causes, and applying the respective solutions, you should be able to verify your domain using a meta tag.

Learn more about this subject in the following articles:

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