brieftaube.de

Valid Email Server
Domain Lookup › brieftaube.de

Domain Overview

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

Checked via [email protected] · 2026-03-30 11:30:06 UTC · ↺ Refresh

MX Hostnames

  • brieftaube-de.mail.protection.outlook.com

MX Priorities

  • brieftaube-de.mail.protection.outlook.com: 5

A / AAAA Records

  • 152.53.15.121 ↩ jupiter.dbtv1884.de

Mail Server IPs

  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA zion.matrix3.de technik.norplex.net 2025081502 14400 3600 2419200 3600
Primary NS (mname)
zion.matrix3.de
Admin Email (rname)
technik@norplex.net
Serial
2025081502
Refresh
14400s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

zion.matrix3.de
trinity.matrix3.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com a:brieftaubenverband.de ip4:176.95.166.176 ip4:176.28.10.192 ip4:152.53.15.121 ip4:92.205.188.39 redirect=spf.matrix3.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • SPFv=spf1 include:spf.protection.outlook.com a:brieftaubenverband.de ip4:176.95.166.176 ip4:176.28.10.192 ip4:152.53.15.121 ip4:92.205.188.39 redirect=spf.matrix3.de ~all
  • MS=ms68900886
  • google-site-verification=Rwfb-ou552bHEXfbL0dmfCskFwF5JtsYBm9UBU7aG6A
  • t2f7f85j0rkf3lcv5p194l5re
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