on-geo.de

Valid Email Server
Domain Lookup › on-geo.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
on-geo.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-02 18:24:46 UTC · ↺ Refresh

MX Hostnames

  • mail02.on-geo.de

MX Priorities

  • mail02.on-geo.de: 10

A / AAAA Records

  • 87.121.224.73 ↩ ip-87-121-224-73.enviatel.net

Mail Server IPs

  • 87.121.224.58 ↩ mail02.on-geo.de

SOA Record

Raw SOA dns31.cloudns.net michael\.reber.on-geo.de 2026032801 7200 1800 1209600 3600
Primary NS (mname)
dns31.cloudns.net
Admin Email (rname)
michael\@reber.on-geo.de
Serial
2026032801
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns31.cloudns.net
dns33.cloudns.net
dns34.cloudns.net
dns32.cloudns.net

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:91.137.9.178 ip4:85.190.176.130 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • google-site-verification=mnXuK5OVs1F7TJA_yynhBsmwMe1Wb5Wf0XO_gOER6Qs
  • apple-domain-verification=WjgeupQp4Pqrh4to
  • duo_sso_verification=Y19sQhQtnVIT04LGTcDzOYHGCzC79PYXgM2Vg0RDBUpURXZgQVcsS8ZJtaBCG9sq
  • MS=A6F3579C2F84915E19D887B3B3D453A5BA918B68
  • google-site-verification=iLZdUX3oSJu3hHd8blNSQRz_0p-43e3LK9Z58J7pfkw
  • anny-verification=39502247-acf3-467f-9772-a5b4e5d44dd8
  • SPFv=spf1 mx ip4:91.137.9.178 ip4:85.190.176.130 -all
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