Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stilke-immobilien.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 14:24:17 UTC · ↺ Refresh
MX Hostnames
- web1.opusx.io
MX Priorities
- web1.opusx.io: 0
A / AAAA Records
- 45.85.217.100 ↩ web3.opusx.io
Mail Server IPs
- 45.85.218.72 ↩ web1.opusx.io
SOA Record
Raw SOA
ns1.fastdns.online hostmaster.opusx.io 2026031006 3600 600 604800 3600
Primary NS (mname)
ns1.fastdns.online
Admin Email (rname)
hostmaster@opusx.io
Serial
2026031006
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns2.fastdns.online
ns1.fastdns.online
SPF Record
✓ Strict (-all)
v=spf1 a mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; aspf=s;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· 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 a mx -all
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