Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
geo.uni-mainz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 16:54:05 UTC · ↺ Refresh
MX Hostnames
- mailgate-2.zdv.uni-mainz.de
- mailgate-3.zdv.uni-mainz.de
- mailgate-1.zdv.uni-mainz.de
MX Priorities
- mailgate-2.zdv.uni-mainz.de: 100
- mailgate-1.zdv.uni-mainz.de: 100
- mailgate-3.zdv.uni-mainz.de: 100
A / AAAA Records
No A/AAAA records found.
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
- 134.93.178.248 ↩ mailgate-1.zdv.Uni-Mainz.DE
- 2001:4c80:40:62d::25:8 ↩ mailgate-1.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
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Strict (-all)
v=spf1 include:uni-mainz.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
2 records- SPFv=spf1 include:uni-mainz.de -all
- v=spf2.0/mfrom,pra include:uni-mainz.de -all
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