Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gbfs-mbh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 17:04:35 UTC · ↺ Refresh
MX Hostnames
- mx-a.secumail.de
- mx-b.secumail.de
MX Priorities
- mx-b.secumail.de: 20
- mx-a.secumail.de: 10
A / AAAA Records
- 62.138.184.96 ↩ websrv2.itr-service.de
- 2001:1520:1:200::5b9 ↩ websrv2.itr-service.de
Mail Server IPs
- 212.11.224.132 ↩ sc02.secumail.de
- 212.11.224.154 ↩ sc04.secumail.de
- 212.11.225.133 ↩ sc01.secumail.de
- 212.11.225.17 ↩ sc03.secumail.de
SOA Record
Raw SOA
ns2.itr-service.de info.gbfs-mbh.de 2025111805 10800 3600 1209600 10800
Primary NS (mname)
ns2.itr-service.de
Admin Email (rname)
info@gbfs-mbh.de
Serial
2025111805
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns2.itr-service.de
pdns02.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a a:mail.gbfs-mbh.de include:spf.protection.outlook.com -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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms52541925
- SPFv=spf1 a a:mail.gbfs-mbh.de include:spf.protection.outlook.com -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 gbfs-mbh.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits