csad.cz

Valid Email Server
Domain Lookup › csad.cz

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
csad.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-14 03:18:40 UTC · ↺ Refresh

MX Hostnames

  • bb-brn.eunet.cz
  • ns.csad.cz

MX Priorities

  • bb-brn.eunet.cz: 49
  • ns.csad.cz: 0

A / AAAA Records

  • 193.86.116.219 ↩ wfarm1.svt.cz

Mail Server IPs

  • 193.85.201.247 ↩ relay.contactel.cz
  • 193.86.116.227 ↩ ns.csad.cz

SOA Record

Raw SOA ns1.websupport.cz admin.websupport.cz 1731158905 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1731158905
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

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

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:193.86.116.0/23 ip4:193.86.116.227 ip4:62.168.45.102 a:smtp.gts.cz a:om.cz.net mx:ns.csad.cz ?all
📊 DNS lookups: 4/10
? Neutral (?all) — no enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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 mx ip4:193.86.116.0/23 ip4:193.86.116.227 ip4:62.168.45.102 a:smtp.gts.cz a:om.cz.net mx:ns.csad.cz ?all
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