Domain Overview
DNS: ✓ 3d ago
Checker: ✓ 3d ago
holzer-gruppe.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 19:58:13 UTC · ↺ Refresh
MX Hostnames
- mail.holzer-gruppe.com
- mail.p-it-s.net
MX Priorities
- mail.holzer-gruppe.com: 10
- mail.p-it-s.net: 20
A / AAAA Records
- 46.4.113.12 ↩ mail.p-it-s.net
Mail Server IPs
- 31.209.124.233 ↩ mail.holzer-gruppe.com
- 46.4.113.12 ↩ mail.p-it-s.net
SOA Record
Raw SOA
nsa8.schlundtech.de do-not-reply.holzer-gruppe.com 2024012604 43200 7200 1209600 86400
Primary NS (mname)
nsa8.schlundtech.de
Admin Email (rname)
do-not-reply@holzer-gruppe.com
Serial
2024012604
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
nsb8.schlundtech.de
nsd8.schlundtech.de
nsc8.schlundtech.de
nsa8.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 mx a a:mail.holzer-gruppe.com a:mail.p-it-s.net a:mout.kundenserver.de a:mout-bounce.kundenserver.de a:smtp.1und1.de a:mx0.hrmx.de include:spf.protection.outlook.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=6AFE287E46F132B0422D0E7ECC44593A7EF7C58A
- SPFv=spf1 mx a a:mail.holzer-gruppe.com a:mail.p-it-s.net a:mout.kundenserver.de a:mout-bounce.kundenserver.de a:smtp.1und1.de a:mx0.hrmx.de include:spf.protection.outlook.com -all
- apple-domain-verification=iM34FJ2rZcj6IubC
- google-site-verification=Zf8Z8cucAPm8ekGD4QuBeIXoAuD9cXjSFT_kFYnZD7U
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