geuther.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
geuther.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-30 01:28:22 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • geuther-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.66.43.133 (no PTR)
  • 172.66.40.123 (no PTR)
  • 2606:4700:3108::ac42:287b
  • 2606:4700:3108::ac42:2b85

Mail Server IPs

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

SOA Record

Raw SOA braden.ns.cloudflare.com dns.cloudflare.com 2400066235 10000 2400 604800 1800
Primary NS (mname)
braden.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400066235
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

sasha.ns.cloudflare.com
braden.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a ip4:87.139.130.246 include:spf.mailjet.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:6602992.spf10.hubspotemail.net include:spf.komfortkasse.eu ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100
⚠ p=none — monitoring only, no enforcement
📋 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

5 records
  • google-site-verification=OSHDyB4475yOLWhITW9qrdxDu7kANDF2Wqq72txeRVs
  • google-site-verification=xoiA5UhOkemgHO8sUNitqjQ21qMfhRMRAk3QDVbzZsU
  • SPFv=spf1 a ip4:87.139.130.246 include:spf.mailjet.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:6602992.spf10.hubspotemail.net include:spf.komfortkasse.eu ~all
  • v=verifydomain MS=6833691
  • google-site-verification=KgiG7oEMs1KacjW_7uzVffIWTDuA6tSyaHvXK1fuEOk
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