thomaskeim.de

Valid Email Server
Domain Lookup › thomaskeim.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
thomaskeim.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 06:26:44 UTC · ↺ Refresh

MX Hostnames

  • mxext1.mailbox.org
  • mxext3.mailbox.org
  • mxext2.mailbox.org

MX Priorities

  • mxext2.mailbox.org: 10
  • mxext3.mailbox.org: 20
  • mxext1.mailbox.org: 10

A / AAAA Records

  • 104.21.96.44 (no PTR)
  • 172.67.173.1 (no PTR)
  • 2606:4700:3034::6815:602c (no PTR)
  • 2606:4700:3037::ac43:ad01 (no PTR)

Mail Server IPs

  • 80.241.60.215 ↩ mx2.mailbox.org
  • 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
  • 80.241.60.216 ↩ mx3.mailbox.org
  • 2001:67c:2050:104::3:25:1 ↩ mx3.mailbox.org
  • 80.241.60.212 ↩ mx1.mailbox.org
  • 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org

SOA Record

Raw SOA igor.ns.cloudflare.com dns.cloudflare.com 2398368822 10000 2400 604800 1800
Primary NS (mname)
igor.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398368822
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

treasure.ns.cloudflare.com
igor.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:mailbox.org ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],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

1 record
  • SPFv=spf1 include:mailbox.org ~all
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