ksk-koeln.de

Valid Email Server
Domain Lookup › ksk-koeln.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ksk-koeln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 12:48:32 UTC · ↺ Refresh

MX Hostnames

  • kkb02.mail.s-web.de
  • kkb01.mail.s-web.de

MX Priorities

  • kkb02.mail.s-web.de: 10
  • kkb01.mail.s-web.de: 10

A / AAAA Records

  • 62.181.153.53 (no PTR)

Mail Server IPs

  • 62.181.146.29 ↩ kkb02.mail.s-web.de
  • 62.181.146.24 ↩ kkb01.mail.s-web.de

SOA Record

Raw SOA ns1.s-fg-net.de domreg.f-i.de 12969 10800 1080 2419200 1800
Primary NS (mname)
ns1.s-fg-net.de
Admin Email (rname)
domreg@f-i.de
Serial
12969
Refresh
10800s
Retry
1080s
Expire
2419200s
Minimum TTL
1800s

Nameservers (NS)

ns4.s-fg-net.de
ns2.s-fg-net.com
ns3.s-fg-net.eu
ns1.s-fg-net.de
ns5.s-fg-net.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.mail.s-web.de include:spf.emma.sparkasse.de include:_spf.ksk.on.services -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 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

10 records
  • adobe-idp-site-verification=7f90187d9a09b9d6131b318725bf0dc3d27b0737767d213ac206546508bd56a8
  • apple-domain-verification=Db37k7MKNZ26e6Rx
  • cisco-ci-domain-verification=7d1d42303c34ba6899af082ac0ba8dce455f37ad998b6bd0ab51fb7d3c8efb05
  • _rajqfirfoi3li3fa16rhws8lej9xckm
  • _yy8qnfqt4h538efnypha1s58oc4sp8a
  • _6vzk23t67bdkfwlzmivfb71rjisonq2
  • SPFv=spf1 include:spf.mail.s-web.de include:spf.emma.sparkasse.de include:_spf.ksk.on.services -all
  • QuoVadis=c776123b-5409-4f49-8c61-0400eff9b8df
  • QuoVadis=a480c0cc-9872-41ed-b115-84f14973f69e
  • cisco-ci-domain-verification=65346a7b47d32d7b249bcb9d6424f95bd104c53dc977799e24dbebe4ae3f7499
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