Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kleinschmidt-partner.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 18:56:25 UTC · ↺ Refresh
MX Hostnames
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
- relay.rzone.de
MX Priorities
- mx01.hornetsecurity.com: 10
- relay.rzone.de: 100
- mx02.hornetsecurity.com: 20
A / AAAA Records
- 81.169.145.64 ↩ w00.rzone.de
- 2a01:238:20a:202:1064:: ↩ w00.rzone.de
Mail Server IPs
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 81.169.145.96 ↩ relay.rzone.de
- 94.100.136.8 ↩ mx02.hornetsecurity.com
SOA Record
Raw SOA
docks11.rzone.de hostmaster.strato-rz.de 2020071147 86400 7200 604800 300
Primary NS (mname)
docks11.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020071147
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks11.rzone.de
shades01.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 include:maildomain._spf.datev.de include:smtp.strato.de include:oc2.subvenio-ocr.de include:spf.hornetsecurity.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms34165375
- SPFv=spf1 include:maildomain._spf.datev.de include:smtp.strato.de include:oc2.subvenio-ocr.de include:spf.hornetsecurity.com -all
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