akademienunion.de

Valid Email Server
Domain Lookup › akademienunion.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
akademienunion.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-27 20:17:12 UTC · ↺ Refresh

MX Hostnames

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

  • 92.205.51.119 ↩ sh20175.ispgateway.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
  • 134.93.178.248 ↩ 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

Raw SOA ns-extern.zdv.uni-mainz.de noc.uni-mainz.de 2026010801 86400 7200 604800 86400
Primary NS (mname)
ns-extern.zdv.uni-mainz.de
Admin Email (rname)
noc@uni-mainz.de
Serial
2026010801
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

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

SPF Record

✓ Strict (-all)
v=spf1 include:uni-mainz.de ip4:5.75.140.191 ip4:5.75.240.187 ip4:5.75.240.190 ip4:5.75.170.61 ip4:91.99.17.215 -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

✗ 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

5 records
  • DKIMv=DKIM1;t=s;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr6+ru+lU3y0qNPfOMdLtnwqpqhyD2PYOPXXGT4YRExnot1v0ksA2RmYlbLm5nicLVfaB1uLDsgzekfVwz1W7nV1rN8aazsL+nqiIwEM9I9QcMlswrHt8cDRFVb8elwzvQg5fmDfp0/Y85qWSgzjxvPXFSUPI/pdX06ZZc6sGPs1y9nxb7tSDVAS+iujrN6pFCg6Eaimkyzb3DXPOAHd4GKNtonLwjfaHBKJd/JaAPuoJyJTrlDhARp2uI9gl7hpSXfMkl5Olba/lZbtpcQOfPddktu0Y3zYPOjPtWa/Vlh6a+5o2u6lKSTM+x2e758ZMGqY/EYmHIKtB55OtHBQEAQIDAQAB
  • 61tat9rgvg4egl6um6o301ne75
  • SPFv=spf1 include:uni-mainz.de ip4:5.75.140.191 ip4:5.75.240.187 ip4:5.75.240.190 ip4:5.75.170.61 ip4:91.99.17.215 -all
  • v=spf2.0/mfrom,pra include:uni-mainz.de -all
  • DMARCv=DMARC1;p=quarantine;pct=100
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