koru.de

Valid Email Server
Domain Lookup › koru.de

Domain Overview

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

Checked via [email protected] · 2026-04-01 13:19:38 UTC · ↺ Refresh

MX Hostnames

  • mx-in.planet-school.de

MX Priorities

  • mx-in.planet-school.de: 10

A / AAAA Records

  • 185.137.168.141 ↩ web185.dogado.net

Mail Server IPs

  • 46.243.88.174 ↩ node03.secure-mailgate.com
  • 46.243.88.176 ↩ node04.secure-mailgate.com

SOA Record

Raw SOA cns1.cloudpit.de hostmaster.dogado.de 2026021705 28800 7200 604800 7200
Primary NS (mname)
cns1.cloudpit.de
Admin Email (rname)
hostmaster@dogado.de
Serial
2026021705
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
7200s

Nameservers (NS)

cns2.cloudpit.com
cns3.cloudpit.io
cns1.cloudpit.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:secure-mailgate.com a mx ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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:secure-mailgate.com a mx ~all
Full email verification for koru.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits