ctis.com.br

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-04-04 12:28:23 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • ctis-com-br.mail.protection.outlook.com: 10

A / AAAA Records

  • 200.99.40.39 (no PTR)

Mail Server IPs

  • 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
  • 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.ativas.com.br ot.ativas.com.br 2024110519 43200 900 1814400 10800
Primary NS (mname)
ns1.ativas.com.br
Admin Email (rname)
ot@ativas.com.br
Serial
2024110519
Refresh
43200s
Retry
900s
Expire
1814400s
Minimum TTL
10800s

Nameservers (NS)

ns4.ativas.com.br
ns2.ativas.com.br
ns1.ativas.com.br
ns3.ativas.com.br

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a:sdc.ctis.com.br mx:sdc.ctis.com.br a:sdcf.ctis.com.br mx:sdcf.ctis.com.br ip4:54.207.111.39/32 ip4:191.242.200.0/22 include:spf.protection.outlook.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate 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

5 records
  • MS=ms51510558
  • d44gc46go5dakpf0gpu6u05ssi
  • 97g6fissr0dvb880rk448mp1nr
  • SPFv=spf1 mx a:sdc.ctis.com.br mx:sdc.ctis.com.br a:sdcf.ctis.com.br mx:sdcf.ctis.com.br ip4:54.207.111.39/32 ip4:191.242.200.0/22 include:spf.protection.outlook.com ~all
  • google-site-verification=w-qpMguWgmXleb8pPjL2S7DBuO1I1faaHtEheLGt8c0
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