tbd.de

Valid Email Server
Domain Lookup › tbd.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 11:40:13 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.0.92 ↩ 217-160-0-92.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::241 ↩ 2001-08d8-100f-f000-0000-0000-0000-0241.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA ns1066.ui-dns.org hostmaster.1und1.de 2016121146 28800 7200 604800 300
Primary NS (mname)
ns1066.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2016121146
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1066.ui-dns.org
ns1066.ui-dns.de
ns1066.ui-dns.biz
ns1066.ui-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx a:mailgate01.omg.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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
  • apple-domain-verification=ImxOPdEQxjMKg5hA
  • google-site-verification=ICbuktCmJUuP0ksyTPOJQItj17ohIDeANpws-QM6MAQ
  • SPFv=spf1 a mx a:mailgate01.omg.de include:spf.protection.outlook.com ~all
  • MS=ms50455061
  • openai-domain-verification=dv-sqyUDfCfk2SJLeMNIW7zbFNO
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