t4server3.de
DNS records live
- NS
-
- ns3.stratoserver.net
- ns4.stratoserver.net
- MX
-
- 10 t4server3.de
Email authentication weak
- SPF
-
v=spf1 a mx ~allsoftfail (~all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificates
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