Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ton.cz
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 03:54:24 UTC · ↺ Refresh
MX Hostnames
- mail.ton.cz
MX Priorities
- mail.ton.cz: 10
A / AAAA Records
- 185.115.1.70 ↩ superkoders-lab.vshosting.cz
Mail Server IPs
- 77.48.31.35 ↩ mail.ton.cz
SOA Record
Raw SOA
ns1.websupport.cz admin.websupport.cz 1773386877 7200 2048 1048576 2560
Primary NS (mname)
ns1.websupport.cz
Admin Email (rname)
admin@websupport.cz
Serial
1773386877
Refresh
7200s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns1.websupport.cz
ns2.websupport.cz
ns3.websupport.eu
SPF Record
✓ Strict (-all)
v=spf1 ip4:185.115.1.70 ip4:185.7.24.0/24 ip4:91.139.11.34 ip4:77.48.31.35 a:mail.ton.cz a:smtp01.tmcz.cz a:smtp02.tmcz.cz a:smtp.t-email.cz include:144178648.spf05.hubspotemail.net include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
default._domainkey
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- sophos-domain-verification=39ce43e8545fb7bf1b32d053b8306f4ff451a3bff42dc556a58119c5a30b10b2
- SPFv=spf1 ip4:185.115.1.70 ip4:185.7.24.0/24 ip4:91.139.11.34 ip4:77.48.31.35 a:mail.ton.cz a:smtp01.tmcz.cz a:smtp02.tmcz.cz a:smtp.t-email.cz include:144178648.spf05.hubspotemail.net include:spf.protection.outlook.com -all
- MS=4D00699F26E3F8FBC6C277432681B5A5B5E48049
- google-site-verification=ev3kfqDQ08xznAQejODy4B8z_TXYz9VbRqxy62c4e6M
Full email verification for ton.cz
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