backdorf.de

Valid Email Server
Domain Lookup › backdorf.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
backdorf.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 18:08:36 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • backdorf-de.mail.protection.outlook.com: 50

A / AAAA Records

  • 62.113.228.233 ↩ app-a-de.c-227.maxcluster.net
  • 2a00:f48:1008::228:233:10 ↩ app-a-de.c-227.maxcluster.net

Mail Server IPs

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

SOA Record

Raw SOA ns05.domaincontrol.com dns.jomax.net 2026072200 28800 7200 604800 600
Primary NS (mname)
ns05.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026072200
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns06.domaincontrol.com
ns05.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:app-a-de.c-227.maxcluster.net include:spf.crsend.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected], rua=mailto:[email protected]; adkim=s; aspf=s; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected], rua=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

3 records
  • MS=ms17261006
  • brevo-code:749de1b274b6d0689e003324f2b092f1
  • SPFv=spf1 include:spf.protection.outlook.com include:app-a-de.c-227.maxcluster.net include:spf.crsend.com -all
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