geoinform.fh-mainz.de

Valid Email Server
Domain Lookup › geoinform.fh-mainz.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
geoinform.fh-mainz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 15:19:50 UTC · ↺ Refresh

MX Hostnames

  • ironport-2.zdv.net
  • ironport-1.zdv.net

MX Priorities

  • ironport-1.zdv.net: 10
  • ironport-2.zdv.net: 20

A / AAAA Records

  • 143.93.114.109 (no PTR)

Mail Server IPs

  • 134.93.178.241 ↩ mailgate-1.zdv.net
  • 2001:4c80:40:62d::25:1 ↩ mailgate-1.zdv.net
  • 134.93.178.242 ↩ mailgate-2.zdv.net
  • 2001:4c80:40:62d::25:2 ↩ mailgate-2.zdv.net

SOA Record

Raw SOA newton.hs-mainz.de named.hs-mainz.de 2023020901 7200 1000 1209600 3600
Primary NS (mname)
newton.hs-mainz.de
Admin Email (rname)
named@hs-mainz.de
Serial
2023020901
Refresh
7200s
Retry
1000s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

newton.hs-mainz.de
barrow.hs-mainz.de
ns.hs-worms.de
dns3.dfn.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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