th-koeln.de

Valid Email Server
Domain Lookup › th-koeln.de

Domain Overview

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

Checked via [email protected] · 2026-04-04 14:37:18 UTC · ↺ Refresh

MX Hostnames

  • smtp.intranet.fh-koeln.de

MX Priorities

  • smtp.intranet.fh-koeln.de: 10

A / AAAA Records

  • 139.6.10.199 ↩ www-01-f5.cit-vip.FH-Koeln.DE

Mail Server IPs

  • 139.6.1.61 ↩ lvs2.nz.FH-Koeln.DE

SOA Record

Raw SOA ns-iwz.nz.fh-koeln.de dns.th-koeln.de 2026033101 10800 1800 1209600 3600
Primary NS (mname)
ns-iwz.nz.fh-koeln.de
Admin Email (rname)
dns@th-koeln.de
Serial
2026033101
Refresh
10800s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns-iwz.nz.fh-koeln.de
ns-gwz.nz.fh-koeln.de
dns1.uni-koeln.de
dns-1.dfn.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.dynect.net include:spf.cluster4.4hr.de include:spf.nl2go.com +ip4:139.6.1.61 +ip4:139.6.1.47 +ip4:139.6.1.48 +ip4:139.6.1.49 +ip4:139.6.1.50 ?ip4:139.6.0.0/16 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · 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

5 records
  • ZOOM_verify_H2KL-OQNQ66T-iTJdqSdNQ
  • google-site-verification=hmfXc1YzEhLwHbW1cZznK-4xyrQ6-Uc7MjbCwCEGjzM
  • spycloud-domain-verification=85913570-860d-40b3-b6a2-780e843dabdd
  • SPFv=spf1 include:spf.dynect.net include:spf.cluster4.4hr.de include:spf.nl2go.com +ip4:139.6.1.61 +ip4:139.6.1.47 +ip4:139.6.1.48 +ip4:139.6.1.49 +ip4:139.6.1.50 ?ip4:139.6.0.0/16 ~all
  • adobe-idp-site-verification=e84fc53907db573f415999faeba0b054a0cf1be46c1b58bfd4d6eec650e306b9
Full email verification for th-koeln.de

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