cert-eu.org

Valid Email Server
Domain Lookup › cert-eu.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cert-eu.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 01:06:18 UTC · ↺ Refresh

MX Hostnames

  • smtpin.rzone.de

MX Priorities

  • smtpin.rzone.de: 5

A / AAAA Records

  • 152.53.13.207 ↩ v2202312195726248303.hotsrv.de

Mail Server IPs

  • 81.169.145.97 ↩ smtpin.rzone.de
  • 2a01:238:20a:202:50f0::1097 ↩ smtpin.rzone.de

SOA Record

Raw SOA shades07.rzone.de hostmaster.strato-rz.de 2020050802 86400 7200 604800 300
Primary NS (mname)
shades07.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050802
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks18.rzone.de
shades07.rzone.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:152.53.13.207 ip4:217.79.180.180 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 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

2 records
  • google-site-verification=dFyXu6R0XP2LX6vg8ZdcVigIE4UATdTubwxUJ1go3SE
  • SPFv=spf1 a mx ip4:152.53.13.207 ip4:217.79.180.180 ~all
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