sk.bremen.de

Valid Email Server
Domain Lookup › sk.bremen.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
sk.bremen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 19:26:47 UTC · ↺ Refresh

MX Hostnames

  • mx2.ondataport.de
  • mx1.ondataport.de

MX Priorities

  • mx2.ondataport.de: 10
  • mx1.ondataport.de: 10

A / AAAA Records

  • 80.228.237.35 ↩ dyndsl-80-228-237-035.ewe-ip-backbone.de
  • 80.228.237.36 ↩ dyndsl-80-228-237-036.ewe-ip-backbone.de

Mail Server IPs

  • 141.91.162.203 ↩ mx2.ondataport.de
  • 141.91.162.195 ↩ mx1.ondataport.de

SOA Record

No SOA record found.

Nameservers (NS)

No nameservers found.

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.bremen.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No 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=ms41375862
  • SPFv=spf1 include:_spf.bremen.de -all
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