schulezumroemerturm.de

Valid Email Server
Domain Lookup › schulezumroemerturm.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 03:07:34 UTC · ↺ Refresh

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MX Hostnames

  • mx02.kdvz-frechen.de
  • mx01.kdvz-frechen.de

MX Priorities

  • mx02.kdvz-frechen.de: 10
  • mx01.kdvz-frechen.de: 10

A / AAAA Records

  • 213.168.112.5 ↩ pls2.netcologne.de
  • 2001:4dd0:100:1026:80:1::5 ↩ pls2.netcologne.de

Mail Server IPs

  • 193.27.20.234 ↩ mx02.kdvz-frechen.de
  • 2001:67c:680:f04::234 ↩ mx02.kdvz-frechen.de
  • 2001:67c:680:f04:250:56ff:fea9:e9a7 ↩ mx02.kdvz-frechen.de
  • 193.27.20.233 ↩ mx01.kdvz-frechen.de
  • 2001:67c:680:f04::233 ↩ mx01.kdvz-frechen.de
  • 2001:67c:680:f04:250:56ff:fea9:4b96 ↩ mx01.kdvz-frechen.de

SOA Record

Raw SOA dns11.netcologne.de hostmaster.netcologne.de 2025120801 28800 7200 604800 3600
Primary NS (mname)
dns11.netcologne.de
Admin Email (rname)
hostmaster@netcologne.de
Serial
2025120801
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns13.netcologne.de
dns12.netcologne.de
dns11.netcologne.de
dns14.netcologne.de

SPF Record

✓ Strict (-all)
v=spf1 a mx include:_spf.netcologne.de include:mail.kdvz-frechen.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; fo=1; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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 a mx include:_spf.netcologne.de include:mail.kdvz-frechen.de -all
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