compumaster.de

Valid Email Server
Domain Lookup › compumaster.de

Domain Overview

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

Checked via [email protected] · 2026-03-29 00:39:18 UTC · ↺ Refresh

MX Hostnames

  • mx01.ionos.de
  • mx00.ionos.de

MX Priorities

  • mx01.ionos.de: 10
  • mx00.ionos.de: 10

A / AAAA Records

  • 109.230.224.222 (no PTR)

Mail Server IPs

  • 217.72.192.67 ↩ mx01.kundenserver.de
  • 212.227.15.41 ↩ mx00.kundenserver.de

SOA Record

Raw SOA ns1120.ui-dns.org hostmaster.1und1.com 2017060159 28800 7200 604800 600
Primary NS (mname)
ns1120.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060159
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1120.ui-dns.org
ns1082.ui-dns.biz
ns1094.ui-dns.com
ns1016.ui-dns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=1:d:s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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

4 records
  • google-site-verification=NMHNrq6RjBKKayhSeEv7kuNkewssmqQgPEGW5KbMQAk
  • MS=ms27830954
  • SPFv=spf1 include:_spf.perfora.net include:_spf-eu.ionos.com include:_spf.kundenserver.de ~all
  • openai-domain-verification=dv-HdzLPk5ihTzVmylzpQwaVeCt
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