mathias-stiftung.de

Valid Email Server
Domain Lookup › mathias-stiftung.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mathias-stiftung.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 09:23:03 UTC · ↺ Refresh

MX Hostnames

  • fw01.tkrz.de
  • mailgwmsp.grv1.tkrz.de

MX Priorities

  • mailgwmsp.grv1.tkrz.de: 10
  • fw01.tkrz.de: 50

A / AAAA Records

  • 185.124.232.49 ↩ vm39.cows-server.de

Mail Server IPs

  • 45.82.125.66 ↩ mailgwmsp.grv1.tkrz.de
  • 2a02:f08:302:a001::2 ↩ mailgwmsp.grv1.tkrz.de
  • 185.64.168.33 ↩ fw01.tkrz.de
  • 2a02:f08:300::2 ↩ fw01.tkrz.de

SOA Record

Raw SOA nsa6.schlundtech.de hostmaster.mathias-stiftung.de 2025030501 43200 7200 1209600 86400
Primary NS (mname)
nsa6.schlundtech.de
Admin Email (rname)
hostmaster@mathias-stiftung.de
Serial
2025030501
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

nsa6.schlundtech.de
nsb6.schlundtech.de
nsc6.schlundtech.de
nsd6.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 a:fw01.tkrz.de a:mailgwmsp.grv1.tkrz.de a:vs9-host01.scom-systemhaus.de ip4:178.255.137.73 ip4:91.190.225.29 ip4:45.82.125.66 ip6:2a02:f08:a:4021::1 ip6:2a02:f08:302:a001::2 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; pct=100; ruf=mailto:[email protected]; rua=mailto:[email protected]; adkim=s; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Strict
📧 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

3 records
  • SPFv=spf1 a:fw01.tkrz.de a:mailgwmsp.grv1.tkrz.de a:vs9-host01.scom-systemhaus.de ip4:178.255.137.73 ip4:91.190.225.29 ip4:45.82.125.66 ip6:2a02:f08:a:4021::1 ip6:2a02:f08:302:a001::2 -all
  • cisco-ci-domain-verification=195da6d55a5974c7ab1ecaf6ff816ae113ec6c85e4826da9266eb06858c4cc0b
  • apple-domain-verification=onnaZH5jzsRpM5Zq
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 mathias-stiftung.de

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

No credit card required
Get 1,000 Free Credits