Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seaborndigital.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 18:56:59 UTC · ↺ Refresh
MX Hostnames
- mx10.active24.cz
- mx20.active24.cz
MX Priorities
- mx20.active24.cz: 100
- mx10.active24.cz: 10
A / AAAA Records
- 37.9.175.212 (no PTR)
- 2a00:4b40:aaaa:2011::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 1772754756 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1772754756
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.websupport.cz
ns3.websupport.eu
ns1.websupport.cz
SPF Record
✓ Strict (-all)
v=spf1 a mx include:_spf.websupport.cz include:_spf.m1.websupport.sk -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:_spf.websupport.cz include:_spf.m1.websupport.sk -all
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