Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ukbremen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 11:26:49 UTC · ↺ Refresh
MX Hostnames
- mail110b.cnuv.de
- mail110a.cnuv.de
MX Priorities
- mail110a.cnuv.de: 10
- mail110b.cnuv.de: 10
A / AAAA Records
- 80.228.237.36 ↩ dyndsl-80-228-237-036.ewe-ip-backbone.de
- 80.228.237.35 ↩ dyndsl-80-228-237-035.ewe-ip-backbone.de
Mail Server IPs
- 185.103.234.18 ↩ mail110a.cnuv.de
- 185.103.234.19 ↩ mail110b.cnuv.de
SOA Record
Raw SOA
ns.cnuv.de dns-admin.isa.cnuv.de 51 10800 3600 2419200 600
Primary NS (mname)
ns.cnuv.de
Admin Email (rname)
dns-admin@isa.cnuv.de
Serial
51
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
600s
Nameservers (NS)
secondary006.dtag.net
pns.dtag.de
ns.cnuv.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.cnuv.de ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no enforcement
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
2 records- MS=ms98961486
- SPFv=spf1 a mx include:_spf.cnuv.de ?all
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