gmsued.de

Valid Email Server
Domain Lookup › gmsued.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gmsued.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-22 08:01:51 UTC · ↺ Refresh

MX Hostnames

  • gmsued-de.mail.protection.outlook.com
  • relay.rzone.de

MX Priorities

  • relay.rzone.de: 100
  • gmsued-de.mail.protection.outlook.com: 20

A / AAAA Records

  • 85.214.17.4 ↩ h2796918.stratoserver.net

Mail Server IPs

  • 81.169.145.96 ↩ relay.rzone.de
  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com

SOA Record

Raw SOA ns4.stratoserver.net hostmaster.strato-rz.de 2020051524 86400 7200 604800 300
Primary NS (mname)
ns4.stratoserver.net
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051524
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns3.stratoserver.net
ns4.stratoserver.net

SPF Record

✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • google-site-verification=0b36JzZ2jxtbgLKIuXWmaWoQHbb2RKyyE5AGeTHn52c
  • SPFv=spf1 a include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
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