Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
unibonn.de
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 01:00:02 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
- 131.220.250.29 ↩ sinologie.uni-bonn.de
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
dns1.uni-bonn.de dnsadmin.uni-bonn.de 759573182 10800 3600 1209600 10800
Primary NS (mname)
dns1.uni-bonn.de
Admin Email (rname)
dnsadmin@uni-bonn.de
Serial
759573182
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
dns3.uni-bonn.de
dns1.uni-bonn.de
unibn-dns.uni-koeln.de
dns2.uni-bonn.de
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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
No TXT records found.
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