Domain Overview
DNS: ✓ 18h ago
Checker: ✓ 18h ago
satka.net
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-27 21:58:01 UTC · ↺ Refresh
MX Hostnames
- mx10.active24.cz
- mx20.active24.cz
MX Priorities
- mx20.active24.cz: 100
- mx10.active24.cz: 10
A / AAAA Records
- 37.9.175.164 ↩ ing.r3.websupport.sk
- 2a00:4b40:aaaa:2005::5 (no PTR)
Mail Server IPs
- 45.13.137.86 ↩ mx20.active24.cz
- 2a00:4b40:aaaa:2101:45:13:137:86 (no PTR)
- 45.13.137.85 ↩ mx10.active24.cz
- 2a00:4b40:aaaa:2101:45:13:137:85 (no PTR)
SOA Record
Raw SOA
ns1.websupport.cz admin.websupport.cz 1729234789 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1729234789
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.websupport.cz
ns3.websupport.eu
ns1.websupport.cz
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:_spf.websupport.cz ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no enforcement
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
2 records- SPFv=spf1 a mx include:_spf.websupport.cz ?all
- spf2.0/pra a mx include:_sid.websupport.cz ?all
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