gk-bonn.de

Valid Email Server
Domain Lookup › gk-bonn.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gk-bonn.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 01:08:49 UTC · ↺ Refresh

MX Hostnames

  • gkbonn-de0e.mail.protection.outlook.com

MX Priorities

  • gkbonn-de0e.mail.protection.outlook.com: 5

A / AAAA Records

  • 134.119.233.6 ↩ mc20695.ispgateway.de
  • 2a00:1169:103:13c0:: ↩ mc20695.ispgateway.de

Mail Server IPs

  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns81.domaincontrol.com dns.jomax.net 2025110202 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025110202
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns81.domaincontrol.com
ns82.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.terminland.de ip4:87.78.98.144 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

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

All TXT Records

3 records
  • apple-domain-verification=ee8dTUckLIu3fFdR
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.terminland.de ip4:87.78.98.144 -all
  • MS=ms13660109
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