mathias-schaefer.de

Valid Email Server
Domain Lookup › mathias-schaefer.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mathias-schaefer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 15:53:02 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 8.8.8.8 ↩ dns.google

Mail Server IPs

  • 80.241.60.212 ↩ mx1.mailbox.org
  • 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
  • 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

SOA Record

Raw SOA ns1.first-ns.de dns.hetzner.com 2020052909 14400 1800 604800 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2020052909
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

robotns2.second-ns.de
ns1.first-ns.de
robotns3.second-ns.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

No TXT records found.

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