stmtk.de

Valid Email Server
Domain Lookup › stmtk.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 08:54:57 UTC · ↺ Refresh

MX Hostnames

  • mail.stmtk.de
  • mail.stmtk.de

MX Priorities

  • mail.stmtk.de: 0
  • mail.stmtk.de: 10

A / AAAA Records

  • 217.113.44.234 (no PTR)

Mail Server IPs

  • 83.236.136.45 ↩ port-83-236-136-45.static.as20676.net

SOA Record

Raw SOA ns37.domaincontrol.com dns.jomax.net 2025011602 28800 7200 604800 600
Primary NS (mname)
ns37.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025011602
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns38.domaincontrol.com
ns37.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:83.236.136.44 include:spf.dynect.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • google-site-verification=texdgEQth3ErQ-hHdUL5BVIa9z0BpRkpXMLrtRYU6T0
  • SPFv=spf1 a mx ip4:83.236.136.44 include:spf.dynect.net -all
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