tst-deutschland.de

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
tst-deutschland.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 18:28:36 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • tstdeutschland-de0i.mail.protection.outlook.com

MX Priorities

  • tstdeutschland-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 194.6.210.192 ↩ srv-a-cc.c-1876.maxcluster.net
  • 2a00:f48:1008::210:192:10 ↩ srv-a-cc.c-1876.maxcluster.net

Mail Server IPs

  • 52.101.103.39 ↩ mail-miypr05cu00207.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.185.114 ↩ mail-zrxpr04cu00102.inbound.protection.outlook.com
  • 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA dns017.arvato-systems.de hostmaster.bnic.bertelsmann.de 2024041600 3600 1800 3600000 3600
Primary NS (mname)
dns017.arvato-systems.de
Admin Email (rname)
hostmaster@bnic.bertelsmann.de
Serial
2024041600
Refresh
3600s
Retry
1800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

dns009.arvato-systems.de
ns2.arvato-systems.de
ns1.arvato-systems.de
dns017.arvato-systems.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:194.6.210.192 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

4 records
  • dX0Sl7yWlDxZh/YQYkZ9+qsmXLt7utuDQRhZzXhE+7MQvcmeQfJacPyIRqvkhWGEIDuhiUK1dZyPWDDj8ZNYKw==
  • SPFv=spf1 mx ip4:194.6.210.192 include:spf.protection.outlook.com -all
  • 3ve5og55bckrk4n3o70227m25
  • MS=ms98953469
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 · Customize →
See demo & docs
Deep verification
Full email verification for tst-deutschland.de

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

No credit card required
Get 1,000 Free Credits