Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
linkeline.com.br
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-04-01 06:35:29 UTC ยท โบ Refresh
MX Hostnames
- mx.mailcorp.com.br
MX Priorities
- mx.mailcorp.com.br: 10
A / AAAA Records
- 52.86.152.55 โฉ ec2-52-86-152-55.compute-1.amazonaws.com
- 170.82.173.10 (no PTR)
- 170.82.174.10 (no PTR)
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 2025120505 28800 3600 604800 300
Primary NS (mname)
dns1.ctitech.net.br
Admin Email (rname)
postmaster@ctitech.net.br
Serial
2025120505
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
dns4.ctitech.net.br
dns2.ctitech.net.br
dns3.ctitech.net.br
dns1.ctitech.net.br
SPF Record
โ Strict (-all)
v=spf1 include:spf.ctitech.net.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:spf.ctitech.net.br -all
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