um-mainz.de

Valid Email Server
Domain Lookup › um-mainz.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 12:37:04 UTC · ↺ Refresh

MX Hostnames

  • mailgate-1.zdv.Uni-Mainz.de
  • mailgate-3.zdv.Uni-Mainz.de
  • mailgate-2.zdv.Uni-Mainz.de

MX Priorities

  • mailgate-2.zdv.uni-mainz.de: 100
  • mailgate-3.zdv.uni-mainz.de: 100
  • mailgate-1.zdv.uni-mainz.de: 100

A / AAAA Records

  • 134.93.123.16 ↩ ts.Medizin.Uni-Mainz.DE

Mail Server IPs

  • 134.93.178.249 ↩ mailgate-2.zdv.Uni-Mainz.DE
  • 2001:4c80:40:62d::25:9 ↩ mailgate-2.zdv.Uni-Mainz.DE
  • 134.93.178.250 ↩ mailgate-3.zdv.Uni-Mainz.DE
  • 2001:4c80:40:62d::25:a ↩ mailgate-3.zdv.Uni-Mainz.DE
  • 134.93.178.248 ↩ mailgate-1.zdv.Uni-Mainz.DE
  • 2001:4c80:40:62d::25:8 ↩ mailgate-1.zdv.Uni-Mainz.DE

SOA Record

Raw SOA ns-extern.zdv.uni-mainz.de noc.uni-mainz.de 2026021101 86400 7200 604800 86400
Primary NS (mname)
ns-extern.zdv.uni-mainz.de
Admin Email (rname)
noc@uni-mainz.de
Serial
2026021101
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

ns-extern.zdv.uni-mainz.de
xlink1.xlink.net

SPF Record

✓ Strict (-all)
v=spf1 include:uni-mainz.de -all
📊 DNS lookups: 1/10
✓ 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

4 records
  • SPFv=spf1 include:uni-mainz.de -all
  • HARICA-zaLwDeK5mQ0JBonzx7x
  • MS=ms36086307
  • v=spf2.0/mfrom,pra include:uni-mainz.de -all
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