ph1.uni-koeln.de

Valid Email Server
Domain Lookup › ph1.uni-koeln.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
ph1.uni-koeln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-31 16:54:48 UTC · ↺ Refresh

MX Hostnames

  • mail.ph1.uni-koeln.de

MX Priorities

  • mail.ph1.uni-koeln.de: 10

A / AAAA Records

  • 134.95.81.56 ↩ sagittarius.rrz.uni-koeln.de
  • 2a00:a200::2:0:0:0:443 ↩ sagittarius.rrz.uni-koeln.de

Mail Server IPs

  • 134.95.50.1 ↩ mail.ph1.uni-koeln.de

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Strict (-all)
v=spf1 ip4:134.95.50.1 ip4:134.95.86.48/28 ip6:2a00:a200:0:13::/64 -all
📊 DNS lookups: 0/10
✓ 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

1 record
  • SPFv=spf1 ip4:134.95.50.1 ip4:134.95.86.48/28 ip6:2a00:a200:0:13::/64 -all
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