How to check if the site has subdomains?

In the framework of the SEO audit are faced with this task: need to see if the site has subdomains ? How to check whether they had? What are the best tools to use for this? Prompt, please, who knows. Thanks in advance.
July 8th 19 at 15:49

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3 answers
July 8th 19 at 15:51
Solution
1. Google:
site:mail.ru -inurl:http://mail.EN -inurl:https://mail.EN -inurl:http://www.mail.EN -inurl:https://www.mail.EN

mail.ru of course, change your domain.

2. Using AXFR query to the DNS.
Not all DNS servers support it.
Service to check: https://sergeybelove.ru/one-button-scan/
Where a lot AXFR blocked in for security reasons. - Robert commented on July 8th 19 at 15:54
July 8th 19 at 15:53
Solution
A request to PS - site:.domain.com -www

But will display only indexed subdomains, if they exist.
July 8th 19 at 15:55
In General, the guaranteed way to get a list of subdomains for a given domain is not.
The search engines may not know about all, but AXFR is often prohibited for security reasons.

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