Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
uni-koeln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 06:58:46 UTC · ↺ Refresh
MX Hostnames
- uzk-mail-in-v2.rrz.uni-koeln.de
- uzk-mail-in-v1.rrz.uni-koeln.de
MX Priorities
- uzk-mail-in-v1.rrz.uni-koeln.de: 5
- uzk-mail-in-v2.rrz.uni-koeln.de: 5
A / AAAA Records
- 134.95.81.52 ↩ gemini.rrz.uni-koeln.de
- 2a00:a200::2:0:0:0:80 ↩ gemini.rrz.uni-koeln.de
Mail Server IPs
- 134.95.63.200 ↩ uzk-mail-in-v1.rrz.uni-koeln.de
- 2a00:a200::10:0:0:0:200 ↩ uzk-mail-in-v1.rrz.uni-koeln.de
- 134.95.63.201 ↩ uzk-mail-in-v2.rrz.uni-koeln.de
- 2a00:a200::10:0:0:0:201 ↩ uzk-mail-in-v2.rrz.uni-koeln.de
SOA Record
Raw SOA
noc2.rrz.uni-koeln.de hostmaster.uni-koeln.de 2026032004 10800 3600 2419200 3600
Primary NS (mname)
noc2.rrz.uni-koeln.de
Admin Email (rname)
hostmaster@uni-koeln.de
Serial
2026032004
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
dns-1.dfn.de
mail1.rrz.uni-koeln.de
ns2.netcologne.de
noc2.rrz.uni-koeln.de
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:134.95.0.0/16 ip4:109.69.68.140 ip6:2a00:a200::/48 include:agenturserver.de ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=d; adkim=r; aspf=r; pct=100; sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- apple-domain-verification=fP2uzfO72ptimR1d
- apple-domain-verification=XscpNBzRkbfzubTd
- apple-domain-verification=NPadQczkP1xAfjol
- google-site-verification=slKdECUuuJ-OuRi4ydQier-7Oj-2Tg_VJyA_kXlUPcU
- SPFv=spf1 ip4:134.95.0.0/16 ip4:109.69.68.140 ip6:2a00:a200::/48 include:agenturserver.de ?all
- cisco-ci-domain-verification=64ff69245d29ac9ceaa0b992ecd76b77594fe0d25edecf3ff8a66d9fd6b2ab2f
- adobe-idp-site-verification=4aec6dd94028767a1112cc5f6e09e54597a8b368698e3090e7942e6ff298e732
- brevo-code:9aabfa1918b1ee91863be44df6d4b941
- MS=3440AC9067529743C07C50066FE452F078A8500F
- MS=ms52477696
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