Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gtberlin.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 18:37:54 UTC · ↺ Refresh
MX Hostnames
- gtberlin-de.mail.protection.outlook.com
- smtp-relay.fhd.de
MX Priorities
- gtberlin-de.mail.protection.outlook.com: 5
- smtp-relay.fhd.de: 20
A / AAAA Records
- 91.221.204.70 ↩ niklas.fhd.de
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 130.180.112.140 ↩ ip-130-180-112-140.um40.pools.vodafone-ip.de
SOA Record
Raw SOA
dns1.fhd.de dom-adm.fhd.de 2018020205 86400 7200 2419200 300
Primary NS (mname)
dns1.fhd.de
Admin Email (rname)
dom-adm@fhd.de
Serial
2018020205
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
dns2.fhd.de
dns1.fhd.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
3 records- hosted by Franke & Partner GbR
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms39512668
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 gtberlin.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits