doktor.de

Valid Email Server
Domain Lookup › doktor.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
doktor.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-22 09:01:58 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • doktor-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.3 ↩ 217-160-0-3.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA ns1045.ui-dns.com hostmaster.1und1.com 2017060190 28800 7200 604800 600
Primary NS (mname)
ns1045.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060190
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1045.ui-dns.com
ns1045.ui-dns.org
ns1045.ui-dns.biz
ns1045.ui-dns.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:amazonses.com include:sparkpostmail.com include:sendgrid.net include:spf.easybill-mail.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • google-site-verification=6U7c35YcTjkpHk8-N8Xi9nfMnL-_hGDm-FyFFsAbUn0
  • MS=ms57602326
  • google-site-verification=6OXG6R5HtEzRNO4YnS91qF3c_tHonADZDSZm58tYVgE
  • zone-ownership-verification-c0efb03ff2c441208e69880ee1b7c9a27db79a518deb87a7a0c213608ea75083
  • SPFv=spf1 include:spf.protection.outlook.com include:amazonses.com include:sparkpostmail.com include:sendgrid.net include:spf.easybill-mail.de -all
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