Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
triersistemas.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 17:54:41 UTC · ↺ Refresh
MX Hostnames
- triersistemas-com-br.mail.protection.outlook.com
- inbound.triersistemas.com.br
MX Priorities
- inbound.triersistemas.com.br: 5
- triersistemas-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 54.233.88.184 ↩ ec2-54-233-88-184.sa-east-1.compute.amazonaws.com
Mail Server IPs
- 201.148.108.204 ↩ mail.triersistemas.com.br
- 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
- 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com
- 2a01:111:f403:c94a:: ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
- 2a01:111:f403:c94a::1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c94a::2 ↩ mail-cp3p284cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c94c:: ↩ mail-roap284cu02600.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-352.awsdns-44.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-352.awsdns-44.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-639.awsdns-15.net
ns-1505.awsdns-60.org
ns-1911.awsdns-46.co.uk
ns-352.awsdns-44.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:201.148.108.201/29 ip4:186.202.177.153 a:vps01.ostec.com.br a:vps02.ostec.com.br include:_spf.rdstation.com.br include:sendgrid.net include:spf.protection.outlook.com include:amazonses.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx ip4:201.148.108.201/29 ip4:186.202.177.153 a:vps01.ostec.com.br a:vps02.ostec.com.br include:_spf.rdstation.com.br include:sendgrid.net include:spf.protection.outlook.com include:amazonses.com ~all
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