drk-gengenbach.de

Valid Email Server
Domain Lookup › drk-gengenbach.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
drk-gengenbach.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 06:00:13 UTC · ↺ Refresh

MX Hostnames

  • drkgengenbach-de0i.mail.protection.outlook.com

MX Priorities

  • drkgengenbach-de0i.mail.protection.outlook.com: 10

A / AAAA Records

  • 80.82.221.207 (no PTR)

Mail Server IPs

  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 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
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.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 dns01.dt-internet.de dnsadmin.dt-internet.de 3772804388 10800 3600 604800 3840
Primary NS (mname)
dns01.dt-internet.de
Admin Email (rname)
dnsadmin@dt-internet.de
Serial
3772804388
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3840s

Nameservers (NS)

dns05.d-t-internet.de
dns01.dt-internet.de

SPF Record

✓ Strict (-all)
v=spf1 a mx include:spf.dt-internet.de include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; aspf=r; adkim=r
✓ Reject — strongest protection
📋 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

2 records
  • SPFv=spf1 a mx include:spf.dt-internet.de include:spf.protection.outlook.com -all
  • MS=ms16748350
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