How to write DMARC for dynamic subdomains in a TXT record?

I

ice_jd2019-06-15 22:39:41

Domain Name System

ice_jd, 2019-06-15 22:39:41

When sending emails, subdomains are generated in AMS. How to register DMARC for any variants of generated subdomains?
Now a standard record of the form is registered:

_dmarc.domain.ru. 	3600 	TXT (текстовая запись) 	v=DMARC1; p=reject; adkim=s; aspf=s;

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Alexander NAZARIAN, 2019-07-24
@McHaber

ice_jd , the head domain DMARC record is inherited by all subdomains.
examples:
1. v=DMARC1; p=reject; etc...
all subdomains get reject
policy 2. v=DMARC1; p=reject; sp=none
all subdomains get policy none
DMARC entry can be checked from this link
https://easydmarc.com/tools/dmarc/