bit.bremerhaven.de

Valid Email Server
Domain Lookup › bit.bremerhaven.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
bit.bremerhaven.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 06:46:39 UTC · ↺ Refresh

MX Hostnames

  • mx01.bit.bremerhaven.de

MX Priorities

  • mx01.bit.bremerhaven.de: 20

A / AAAA Records

  • 185.204.97.35 (no PTR)
  • 2a0a:f540:feed:2::16 (no PTR)

Mail Server IPs

  • 185.204.97.33 ↩ mx01.bit.bremerhaven.de
  • 2a0a:f540:feed:1111::38 ↩ mx01.bit.bremerhaven.de

SOA Record

Raw SOA ns01.bremerhaven.de hostmaster.bit.bremerhaven.de 2022102735 43200 3600 2419200 86400
Primary NS (mname)
ns01.bremerhaven.de
Admin Email (rname)
hostmaster@bit.bremerhaven.de
Serial
2022102735
Refresh
43200s
Retry
3600s
Expire
2419200s
Minimum TTL
86400s

Nameservers (NS)

ns-02.briteline.de
ns01.bremerhaven.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:185.204.97.194 ip4:185.204.97.33 ip4:185.204.97.7 ip4:185.204.97.8 ip4:185.204.97.41 ip6:2a0a:f540:feed:1111::18 ip6:2a0a:f540:feed:1111::17 ip6:2a0a:f540:feed:1111::38 ip6:2a0a:f540:feed:150::16 ip6:2a0a:f540:feed:150::21 ip6:2a0a:f540:feed:36::11 a:otc-de-spf.mms.t-systems-service.com a:kundentest.form-solutions.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; ruf=mailto:[email protected]; 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

3 records
  • apple-domain-verification=6ZZfMG5jYL1132a0
  • SPFv=spf1 ip4:185.204.97.194 ip4:185.204.97.33 ip4:185.204.97.7 ip4:185.204.97.8 ip4:185.204.97.41 ip6:2a0a:f540:feed:1111::18 ip6:2a0a:f540:feed:1111::17 ip6:2a0a:f540:feed:1111::38 ip6:2a0a:f540:feed:150::16 ip6:2a0a:f540:feed:150::21 ip6:2a0a:f540:feed:36::11 a:otc-de-spf.mms.t-systems-service.com a:kundentest.form-solutions.de -all
  • MS=ms39085218
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for bit.bremerhaven.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits