Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bremerhaven.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 06:25:59 UTC · ↺ Refresh
MX Hostnames
- mail.bremerhaven.de
MX Priorities
- mail.bremerhaven.de: 20
A / AAAA Records
- 185.204.97.98 ↩ www.bremerhaven.de
- 2a0a:f540:feed:2::19 ↩ bremerhaven.de
Mail Server IPs
- 185.204.97.95 ↩ mail.bremerhaven.de
SOA Record
Raw SOA
ns01.bremerhaven.de hostmaster.bit.bremerhaven.de 2114091010 43200 7200 2419200 86400
Primary NS (mname)
ns01.bremerhaven.de
Admin Email (rname)
hostmaster@bit.bremerhaven.de
Serial
2114091010
Refresh
43200s
Retry
7200s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
ns-02.briteline.de
ns01.bremerhaven.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.204.97.95 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
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=U9UyieoBvtoUR_Ea_tVad0fHYGwglaG8Dn-H7f1UqDw
- SPFv=spf1 ip4:185.204.97.95 a:otc-de-spf.mms.t-systems-service.com a:kundentest.form-solutions.de -all
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 bremerhaven.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits