Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
wiso.uni-koeln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 17:17:55 UTC · ↺ Refresh
MX Hostnames
- relay-v2.rrz.uni-koeln.de
- relay-v1.rrz.uni-koeln.de
MX Priorities
- relay-v1.rrz.uni-koeln.de: 10
- relay-v2.rrz.uni-koeln.de: 10
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
- 134.95.63.208 ↩ relay-v1.rrz.uni-koeln.de
- 2a00:a200::10:0:0:0:208 ↩ relay-v1.rrz.uni-koeln.de
- 134.95.63.209 ↩ relay-v2.rrz.uni-koeln.de
- 2a00:a200::10:0:0:0:209 ↩ relay-v2.rrz.uni-koeln.de
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Soft Fail (~all)
v=spf1 ptr ip4:134.95.0.0/16 ip6:2a00:a200::/48 ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 ptr ip4:134.95.0.0/16 ip6:2a00:a200::/48 ?all
- MS=1D9112494417B16A8E7E37A1307FE981CA30A92F
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