cik.upb.de

Valid Email Server
Domain Lookup › cik.upb.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cik.upb.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-29 02:32:39 UTC · ↺ Refresh

MX Hostnames

  • mail.uni-paderborn.de

MX Priorities

  • mail.uni-paderborn.de: 10

A / AAAA Records

No A/AAAA records found.

CNAME → cik.uni-paderborn.de

Mail Server IPs

  • 131.234.142.9 ↩ mail.uni-paderborn.de
  • 2001:638:502:c000:b::9 ↩ mail.uni-paderborn.de

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Strict (-all)
v=spf1 include:mail.uni-paderborn.de -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

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 include:mail.uni-paderborn.de -all
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