Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
katocontabil.com.br
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-29 02:45:05 UTC ยท โบ Refresh
MX Hostnames
- mx.mailcorp.com.br
MX Priorities
- mx.mailcorp.com.br: 5
A / AAAA Records
- 186.193.225.90 โฉ cpanel04.ctitech.net.br
Mail Server IPs
- 168.0.133.10 โฉ mx-ha.skymail.net.br
SOA Record
Raw SOA
dns1.ctitech.net.br postmaster.ctitech.net.br 2018031404 28800 3600 604800 300
Primary NS (mname)
dns1.ctitech.net.br
Admin Email (rname)
postmaster@ctitech.net.br
Serial
2018031404
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
dns2.ctitech.net.br
dns4.ctitech.net.br
dns3.ctitech.net.br
dns1.ctitech.net.br
SPF Record
โ Strict (-all)
v=spf1 include:cti.com.br -all
๐ DNS lookups: 1/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ MissingNo DMARC record โ emails cannot be rejected on auth failure.
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ 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 include:cti.com.br -all
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