Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
imbie.uni-bonn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 19:45:25 UTC · ↺ Refresh
MX Hostnames
- imbie.meb.uni-bonn.de
MX Priorities
- imbie.meb.uni-bonn.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 131.220.23.114 ↩ imbie.meb.uni-bonn.de
SOA Record
Raw SOA
dns5.uniklinik-bonn.de postmaster.ukb.uni-bonn.de 2006021031 10800 3600 604800 86400
Primary NS (mname)
dns5.uniklinik-bonn.de
Admin Email (rname)
postmaster@ukb.uni-bonn.de
Serial
2006021031
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns3.uni-bonn.de
dns5.uniklinik-bonn.de
dns1.ukbonn.de
dns3.uniklinik-bonn.de
dns1.uni-bonn.de
dns2.uni-bonn.de
dns2.ukbonn.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:131.220.23.114 a:imbie.meb.uni-bonn.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; aspf=s; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 ip4:131.220.23.114 a:imbie.meb.uni-bonn.de -all
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