Domain Overview
DNS: ✓ 1h ago
Checker: ✓ 1h ago
onlinekurz.sk
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-06-02 06:15:07 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
- 91.239.201.14 ↩ rproxy3.thinline.cz
- 2001:67c:e94:1:1:5bef:c90e:1 ↩ rproxy3.thinline.cz
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
ns1.thinline.cz hostmaster.onlinekurz.sk 20223136 259200 900 1209600 1800
Primary NS (mname)
ns1.thinline.cz
Admin Email (rname)
hostmaster@onlinekurz.sk
Serial
20223136
Refresh
259200s
Retry
900s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
ns1.thinline.cz
ns2.thinline.cz
ns3.cesky-hosting.eu
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
No TXT records found.
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