vspdata.cz

Valid Email Server
Domain Lookup › vspdata.cz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
vspdata.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-14 02:59:44 UTC · ↺ Refresh

MX Hostnames

  • mail3.vspdata.cz
  • mail.vspdata.cz
  • mail2.vspdata.cz
  • etrn.nextra.cz

MX Priorities

  • mail.vspdata.cz: 10
  • mail2.vspdata.cz: 20
  • mail3.vspdata.cz: 30
  • etrn.nextra.cz: 100

A / AAAA Records

  • 37.9.175.211 (no PTR)
  • 2a00:4b40:aaaa:2011::7 (no PTR)

Mail Server IPs

  • 194.213.52.100 ↩ mail.vspdata.cz
  • 80.188.97.52 ↩ mail.vspdata.cz
  • 213.210.151.158 ↩ ntserver.vspdata.cz
  • 193.85.201.247 ↩ mail2.pvt.net

SOA Record

Raw SOA ns1.websupport.cz admin.websupport.cz 1773273085 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1773273085
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

ns3.websupport.eu
ns1.websupport.cz
ns2.websupport.cz

SPF Record

✓ Strict (-all)
v=spf1 mx include:_spf.m1.websupport.sk -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

3 records
  • google-site-verification=yg3KFSRPEb19451u3F6gSogGssxg8jzO1iKe8j9LTgU
  • MS=7C76BAE6AB6A146AD2B9CA317400EF423A74216B
  • SPFv=spf1 mx include:_spf.m1.websupport.sk -all
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