ksn-northeim.de

Valid Email Server
Domain Lookup › ksn-northeim.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ksn-northeim.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 13:02:43 UTC · ↺ Refresh

MX Hostnames

  • q01es.mail.s-web.de
  • q02es.mail.s-web.de
  • r02es.mail.s-web.de
  • r01es.mail.s-web.de

MX Priorities

  • q02es.mail.s-web.de: 10
  • q01es.mail.s-web.de: 10
  • r02es.mail.s-web.de: 10
  • r01es.mail.s-web.de: 10

A / AAAA Records

  • 62.181.150.49 (no PTR)

Mail Server IPs

  • 62.181.146.47 ↩ q02es.mail.s-web.de
  • 62.181.146.46 ↩ q01es.mail.s-web.de
  • 62.181.146.49 ↩ r02es.mail.s-web.de
  • 62.181.146.48 ↩ r01es.mail.s-web.de

SOA Record

Raw SOA ns1.s-fg-net.de domreg.f-i.de 86 10800 3600 2419200 1800
Primary NS (mname)
ns1.s-fg-net.de
Admin Email (rname)
domreg@f-i.de
Serial
86
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
1800s

Nameservers (NS)

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

SPF Record

✓ Strict (-all)
v=spf1 include:spf.mail.s-web.de include:spf.emma.sparkasse.de -all
📊 DNS lookups: 2/10
✓ 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

8 records
  • apple-domain-verification=BHmBpA3I9kboxM4B
  • SPFv=spf1 include:spf.mail.s-web.de include:spf.emma.sparkasse.de -all
  • MS=ms54587543
  • _v4m16q6odmnwwj0yy4as9e5jhesa5p0
  • _xvzx9vm5jmefosz7xv9g2g9dn2fd3zo
  • _baeq5nstbcckul8ancgkkz7fhncb7db
  • cisco-ci-domain-verification=63433d67a4584dc10f7c6acfbd69d3ef8a7d4572eadeda9bc5a1b859e5e21c15
  • adobe-idp-site-verification=7f90187d9a09b9d6131b318725bf0dc3d27b0737767d213ac206546508bd56a8
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for ksn-northeim.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits