Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
klinikumbielefeld.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 13:53:11 UTC · ↺ Refresh
MX Hostnames
- mail.klinikumbielefeld.de
MX Priorities
- mail.klinikumbielefeld.de: 10
A / AAAA Records
- 212.100.37.180 (no PTR)
Mail Server IPs
- 212.100.41.22 ↩ mail.klinikumbielefeld.de
SOA Record
Raw SOA
ns1.klinikumbielefeld.de entwicklung.bicos.de 2026030901 300 600 1800 600
Primary NS (mname)
ns1.klinikumbielefeld.de
Admin Email (rname)
entwicklung@bicos.de
Serial
2026030901
Refresh
300s
Retry
600s
Expire
1800s
Minimum TTL
600s
Nameservers (NS)
ns1.klinikumbielefeld.de
ns3.bicos.de
ns4.bicos.de
SPF Record
✓ Strict (-all)
v=spf1 a mx a:plesk01.bicos.de ip4:212.100.32.0/19 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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
3 records- swisssign-check=ZztOkMpQdczN_Oeh98riEZ6ZdHI
- sophos-domain-verification=e8a6620da28c614ae5c3589542dfc5fb3747ba07a8a212945aabfeb25e3874c4
- SPFv=spf1 a mx a:plesk01.bicos.de ip4:212.100.32.0/19 -all
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