Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gasthaus-ostermeier.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 21:29:52 UTC · ↺ Refresh
MX Hostnames
- mx2.bluechip-cloud.de
- mx1.bluechip-cloud.de
MX Priorities
- mx2.bluechip-cloud.de: 10
- mx1.bluechip-cloud.de: 10
A / AAAA Records
- 81.169.145.82 ↩ w82.rzone.de
- 2a01:238:20a:202:1082:: ↩ w82.rzone.de
Mail Server IPs
- 185.228.8.21 ↩ mx2.bluechip-cloud.de
- 185.228.8.20 ↩ mx1.bluechip-cloud.de
SOA Record
Raw SOA
docks02.rzone.de hostmaster.strato-rz.de 2020061433 86400 7200 604800 300
Primary NS (mname)
docks02.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020061433
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades04.rzone.de
docks02.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.bluechip-cloud.de -all
📊 DNS lookups: 3/10
✓ 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
1 record- SPFv=spf1 mx a include:spf.bluechip-cloud.de -all
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