derkoch.de

Valid Email Server
Domain Lookup › derkoch.de

Domain Overview

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

Checked via [email protected] · 2026-03-24 17:19:06 UTC · ↺ Refresh

MX Hostnames

  • mail03.linie.net

MX Priorities

  • mail03.linie.net: 100

A / AAAA Records

  • 85.10.192.16 ↩ mail03.linie.net
  • 2a01:4f8:a0:640e::80:2 ↩ derkoch.de

Mail Server IPs

  • 85.10.192.16 ↩ mail03.linie.net

SOA Record

Raw SOA a.ns14.net hostmaster.linie.net 2024061800 39940 14400 604800 43200
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hostmaster@linie.net
Serial
2024061800
Refresh
39940s
Retry
14400s
Expire
604800s
Minimum TTL
43200s

Nameservers (NS)

d.ns14.net
c.ns14.net
b.ns14.net
a.ns14.net

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:85.10.192.16 ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim

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

All TXT Records

1 record
  • SPFv=spf1 mx ip4:85.10.192.16 ~all
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