gcmberlin.de

Valid Email Server
Domain Lookup › gcmberlin.de

Domain Overview

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

Checked via [email protected] · 2026-03-29 14:21:52 UTC · ↺ Refresh

MX Hostnames

  • gcmberlin-de.mail.protection.outlook.com
  • ms44859930.msv1.invalid

MX Priorities

  • gcmberlin-de.mail.protection.outlook.com: 0
  • ms44859930.msv1.invalid: 20

A / AAAA Records

  • 104.21.82.251 (no PTR)
  • 172.67.166.111 (no PTR)
  • 2606:4700:3034::ac43:a66f
  • 2606:4700:3037::6815:52fb

Mail Server IPs

  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com

SOA Record

Raw SOA joselyn.ns.cloudflare.com dns.cloudflare.com 2398890854 10000 2400 604800 1800
Primary NS (mname)
joselyn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398890854
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

joselyn.ns.cloudflare.com
maxim.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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