kolb-konstanz.de

Valid Email Server
Domain Lookup › kolb-konstanz.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kolb-konstanz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 00:25:58 UTC · ↺ Refresh

MX Hostnames

  • mforward.mahle.net
  • mail.mahle.net

MX Priorities

  • mail.mahle.net: 10
  • mforward.mahle.net: 20

A / AAAA Records

  • 62.154.235.228 (no PTR)

Mail Server IPs

  • 62.154.235.195 ↩ mail.mahle.net
  • 2003:c2:b011:1::195 ↩ mail.mahle.net
  • 62.154.235.215 ↩ mforward.mahle.net
  • 2003:c2:b011:1::215 ↩ mforward.mahle.net

SOA Record

Raw SOA pns.dtag.de dns.telekom.de 2021100900 10800 3600 2419200 3600
Primary NS (mname)
pns.dtag.de
Admin Email (rname)
dns@telekom.de
Serial
2021100900
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns1.telekom.net
pns.dtag.de

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

✗ 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

No TXT records found.

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