Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
klueh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-19 16:25:19 UTC · ↺ Refresh
MX Hostnames
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
- mx01.hornetsecurity.com
MX Priorities
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
- mx03.hornetsecurity.com: 30
- mx04.hornetsecurity.com: 40
A / AAAA Records
- 52.57.251.48 ↩ klueh01.netigo.de
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026042004 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026042004
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
helium.ns.hetzner.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.hornetsecurity.com include:_spf.cmail.ondemand.com include:amazonses.com include:spf.crsend.com a:klueh01.netigo.de a:mx1.klueh.de a:prod-api-1-fsn.coredinate.de a:prod-api-2-fsn.coredinate.de a:prod-api-3-fsn.coredinate.de -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- google-site-verification=rVgIT7dLN-0BXyg33Hmpm607x4RelMI-M16S23X5ISQ
- swisssign-check=fPvzcldbDI-xTyk5gei_cT3QErE
- SPFv=spf1 include:spf.hornetsecurity.com include:_spf.cmail.ondemand.com include:amazonses.com include:spf.crsend.com a:klueh01.netigo.de a:mx1.klueh.de a:prod-api-1-fsn.coredinate.de a:prod-api-2-fsn.coredinate.de a:prod-api-3-fsn.coredinate.de -all
- MS=ms41412275
- apple-domain-verification=3LvC2K0MbymyakNH
- asv=6c6c2439cf6c79b46e90cedb62d3682b
- docusign=0399a8ca-7f6b-46ba-aaa0-bb500ecb956f
- google-site-verification=FuYZrpccbaWeXLK_DE7bL-cDjKkMDgvyJoiEOyq4sng
- google-site-verification=UURSgNlFw9OeL6XXXWtg6dSSsM0PDAq46l53VxVevc8
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