Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
lists.upb.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 03:09:38 UTC · ↺ Refresh
MX Hostnames
- mail.uni-paderborn.de
MX Priorities
- mail.uni-paderborn.de: 5
A / AAAA Records
- 131.234.196.13 ↩ lists.uni-paderborn.de
- 2001:638:502:c036::13 ↩ lists.uni-paderborn.de
CNAME → lists.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
✓ Soft Fail (~all)
v=spf1 include:mail.uni-paderborn.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo 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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