qrstud.io
DNS records live
- NS
-
- ns.second-ns.com
- ns1.your-server.de
- ns3.second-ns.de
- MX
-
- 10 www111.your-server.de
Email authentication weak
- SPF
-
v=spf1 +a +mx ?allneutral (?all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificate (current)
R13
Expires in 30 days