Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
holzer-klzentrum.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 06:48:55 UTC · ↺ Refresh
MX Hostnames
- mail.holzer-gruppe.com
MX Priorities
- mail.holzer-gruppe.com: 10
A / AAAA Records
- 46.4.113.12 ↩ mail.p-it-s.net
Mail Server IPs
- 31.209.124.233 ↩ mail.holzer-gruppe.com
SOA Record
Raw SOA
nsa8.schlundtech.de hostmaster.p-it-s.com 2024081200 43200 7200 1209600 86400
Primary NS (mname)
nsa8.schlundtech.de
Admin Email (rname)
hostmaster@p-it-s.com
Serial
2024081200
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsd8.schlundtech.de
nsc8.schlundtech.de
nsa8.schlundtech.de
nsb8.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 mx a ptr a:smtp.1und1.de a:mout.kundenserver.de a:mail.p-it-s.net a:shop.kalex-engineering.de a:mail.holzer-gruppe.com ip4:78.47.8.195 -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 mx a ptr a:smtp.1und1.de a:mout.kundenserver.de a:mail.p-it-s.net a:shop.kalex-engineering.de a:mail.holzer-gruppe.com ip4:78.47.8.195 -all
- google-site-verification=nFvadjucmo9c7JUP4A53sI4EYxNfOXcBXKaIRYDKqWY
- apple-domain-verification=Kk8NtdfaoXdocfLF
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