Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rcdruck.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 00:48:36 UTC · ↺ Refresh
MX Hostnames
- fw.rcdruck.de
- relay.rzone.de
MX Priorities
- fw.rcdruck.de: 10
- relay.rzone.de: 200
A / AAAA Records
- 81.169.145.145 ↩ w91.rzone.de
- 2a01:238:20a:202:1145:: ↩ w91.rzone.de
Mail Server IPs
- 217.7.31.202 ↩ fw.rcdruck.de
- 81.169.145.96 ↩ relay.rzone.de
SOA Record
Raw SOA
docks01.rzone.de hostmaster.strato-rz.de 2020050788 86400 7200 604800 300
Primary NS (mname)
docks01.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020050788
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
docks01.rzone.de
shades17.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:mo4-p00-ob.smtp.rzone.de -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo 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
2 records- SPFv=spf1 mx include:mo4-p00-ob.smtp.rzone.de -all
- _globalsign-domain-verification=-IlCOGwnFC0fjAaHk-yWv_4zlmrRD18IeMqg4Bcl-b
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