Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ventos.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 06:46:09 UTC · ↺ Refresh
MX Hostnames
- mail.ventos.cz
- relay.contactel.cz
MX Priorities
- relay.contactel.cz: 20
- mail.ventos.cz: 10
A / AAAA Records
- 217.16.184.148 ↩ estudio1.vshosting.cz
Mail Server IPs
- 193.85.201.247 ↩ bmx.cz.net
- 80.95.109.162 ↩ mail.ventos.cz
SOA Record
Raw SOA
ns.gransy.com root.gransy.com 2769590164 86400 900 1209600 1800
Primary NS (mname)
ns.gransy.com
Admin Email (rname)
root@gransy.com
Serial
2769590164
Refresh
86400s
Retry
900s
Expire
1209600s
Minimum TTL
1800s
Nameservers (NS)
ns.gransy.com
ns5.gransy.com
ns4.gransy.com
ns2.gransy.com
ns3.gransy.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:80.95.109.162 include:spf1.estudio.cz include:spf.smartemailing.cz -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- SPFv=spf1 mx ip4:80.95.109.162 include:spf1.estudio.cz include:spf.smartemailing.cz -all
- MS=ms38962151
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