gerke-dach.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gerke-dach.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 09:46:14 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 148.251.108.100 ↩ static.100.108.251.148.clients.your-server.de
  • 2a01:4f8:201:52e5::4:2186 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns.checkdomain.de hostmaster.checkdomain.de 2024043005 40000 7200 604800 300
Primary NS (mname)
ns.checkdomain.de
Admin Email (rname)
hostmaster@checkdomain.de
Serial
2024043005
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns2.checkdomain.de
ns.checkdomain.de

SPF Record

✓ Strict (-all)
v=spf1 mx include:mailbox.org include:mail.box2me.de include:venus.server-betrieb.net include:mailout.box2me.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
✓ DKIM properly configured for selector: google

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

All TXT Records

1 record
  • SPFv=spf1 mx include:mailbox.org include:mail.box2me.de include:venus.server-betrieb.net include:mailout.box2me.de -all
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