stefanie-wiedemann.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stefanie-wiedemann.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 11:07:32 UTC · ↺ Refresh

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MX Hostnames

  • stefaniewiedemann-de02b.mail.protection.outlook.com

MX Priorities

  • stefaniewiedemann-de02b.mail.protection.outlook.com: 0

A / AAAA Records

  • 77.111.240.130 ↩ webcluster3.webpod11-cph3.one.com
  • 2a02:2350:5:102:12:af38:2d46:36ba (no PTR)

Mail Server IPs

  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.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 ns01.one.com hostmaster.one.com 2026030401 14400 3600 1209600 600
Primary NS (mname)
ns01.one.com
Admin Email (rname)
hostmaster@one.com
Serial
2026030401
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns02.one.com
ns01.one.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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