dr-horn.de

Valid Email Server
Domain Lookup › dr-horn.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dr-horn.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 18:04:46 UTC · ↺ Refresh

MX Hostnames

  • drhorn-de0e.mail.protection.outlook.com

MX Priorities

  • drhorn-de0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 212.223.6.233 ↩ srv02.21553.serviceprovider.de

Mail Server IPs

  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns12.nameserver.de dnsmaster.ns12.nameserver.de 2023120501 10000 1800 604800 3600
Primary NS (mname)
ns12.nameserver.de
Admin Email (rname)
dnsmaster@ns12.nameserver.de
Serial
2023120501
Refresh
10000s
Retry
1800s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns11.nameserver.de
ns12.nameserver.de

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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms99727196
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