dr-klaus-guenther.de

Valid Email Server
Domain Lookup › dr-klaus-guenther.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dr-klaus-guenther.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 00:37:34 UTC · ↺ Refresh

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MX Hostnames

  • mailin2.dr-klaus-guenther.de
  • mailin1.dr-klaus-guenther.de

MX Priorities

  • mailin1.dr-klaus-guenther.de: 10
  • mailin2.dr-klaus-guenther.de: 100

A / AAAA Records

  • 37.9.175.213 (no PTR)
  • 2a00:4b40:aaaa:2011::5 (no PTR)

Mail Server IPs

  • 45.13.137.110 ↩ m1-u6-mx.websupport.sk
  • 2a00:4b40:aaaa:2101:45:13:137:105 (no PTR)
  • 45.13.137.111 ↩ m1-u7-mx.websupport.sk
  • 2a00:4b40:aaaa:2101:45:13:137:8 ↩ m1-u6-mx.websupport.sk

SOA Record

Raw SOA ns1.websupport.cz admin.websupport.cz 1768864991 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1768864991
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

No TXT records found.

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