gbz-koblenz.de

Valid Email Server
Domain Lookup › gbz-koblenz.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gbz-koblenz.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-30 13:38:23 UTC · ↺ Refresh

MX Hostnames

  • gbzkoblenz-de0i.mail.protection.outlook.com

MX Priorities

  • gbzkoblenz-de0i.mail.protection.outlook.com: 10

A / AAAA Records

  • 89.58.5.34 ↩ www.ihk-akademie-koblenz.de

Mail Server IPs

  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com

SOA Record

Raw SOA pns.dtag.de dns.telekom.de 2024043000 10800 3600 2419200 3600
Primary NS (mname)
pns.dtag.de
Admin Email (rname)
dns@telekom.de
Serial
2024043000
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

pns.dtag.de
ns1.telekom.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx a:mail5.chamaeleon.de a:mailnc1.chamaeleon.de include:spf.protection.outlook.com a:h2823578.stratoserver.net a:api.gbz-koblenz.de a:mo4-p05-ob.smtp.rzone.de ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

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

3 records
  • MS=ms35151636
  • google-site-verification=xAOTTC0woWsz0NP6lDmJTcjB7Yu3yGKgcD12VHI2CCU
  • SPFv=spf1 a mx a:mail5.chamaeleon.de a:mailnc1.chamaeleon.de include:spf.protection.outlook.com a:h2823578.stratoserver.net a:api.gbz-koblenz.de a:mo4-p05-ob.smtp.rzone.de ~all
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