ttb.com.br

Valid Email Server
Domain Lookup › ttb.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ttb.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 21:47:36 UTC · ↺ Refresh

MX Hostnames

  • ttb-com-br.mail.protection.outlook.com

MX Priorities

  • ttb-com-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 177.190.202.101 ↩ plesk02.ctitech.net.br

Mail Server IPs

  • 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
  • 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.ctitech.net.br postmaster.ctitech.net.br 2025101607 28800 3600 604800 300
Primary NS (mname)
dns1.ctitech.net.br
Admin Email (rname)
postmaster@ctitech.net.br
Serial
2025101607
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

gw01.ctinet.com.br
dns1.ctitech.net.br
www01.ctinet.com.br
dns2.ctitech.net.br

SPF Record

✓ Strict (-all)
v=spf1 a:mail.ttb.com.br a:mail2.ttb.com.br ip4:186.193.231.56/29 include:cti.com.br include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict 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

2 records
  • MS=6F768369C3EBFE9F5DD3427140681A3C34C80B0B
  • SPFv=spf1 a:mail.ttb.com.br a:mail2.ttb.com.br ip4:186.193.231.56/29 include:cti.com.br include:spf.protection.outlook.com -all
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