dw-martinsberg.de

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
dw-martinsberg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 15:50:57 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

  • dwmartinsberg-de0e.mail.protection.outlook.com

MX Priorities

  • dwmartinsberg-de0e.mail.protection.outlook.com: 10

A / AAAA Records

  • 81.169.145.163 ↩ wa3.rzone.de
  • 2a01:238:20a:202:1163:: ↩ wa3.rzone.de

Mail Server IPs

  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.103.143 ↩ mail-miypr03cu00107.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca21::8 ↩ mail-matpr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA shades02.rzone.de hostmaster.strato-rz.de 2023012405 86400 7200 604800 300
Primary NS (mname)
shades02.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2023012405
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks03.rzone.de
shades02.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:87.140.11.5 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject;pct=100;rua=mailto:[email protected];[email protected];ruf=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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
  • SPFv=spf1 ip4:87.140.11.5 include:spf.protection.outlook.com -all
  • brevo-code:c1d8c845d9c5ab4108dae063bf88a3c9
  • amazon-business-verification=107a6a4596a17660c4a8224ab3edc57fee1b17a22840325e451589dbee36c8a5
  • MS=3E5DB2DB8920A6A8E9B51DF9AC61AC39050A08B9
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 dw-martinsberg.de

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

No credit card required
Get 1,000 Free Credits