docdens.de

Valid Email Server
Domain Lookup › docdens.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
docdens.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 10:23:17 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • docdens-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 45.144.187.42 (no PTR)

Mail Server IPs

  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com

SOA Record

Raw SOA ns1025.ui-dns.org hostmaster.1und1.de 2017020984 28800 7200 604800 300
Primary NS (mname)
ns1025.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017020984
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1025.ui-dns.de
ns1025.ui-dns.org
ns1025.ui-dns.biz
ns1025.ui-dns.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

5 records
  • google-site-verification=u_xjm9WZ9QNSue-8oVeKeh2puFp-eYC5iQ3qn3IxgBM
  • v=verifydomain MS=5256860
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=2zeOMCMii8FYq9ZMGmlEKYKqKMyVNK210Fzpe8bkk7I
  • domainVerification=7cb244e1-1cad-4053-b285-ae063d9e5d96
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