_dmarc.inttech.eu has no CNAME records.
Question and response
Question
dig _dmarc.inttech.eu. NS
Answer
The response has no answer records.
Authority
inttech.eu. 67 SOA ns.inttech.de. support.int-tech.de. 2026022825 10000 1800 604800 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0