Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
primeitbr.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 09:48:31 UTC · ↺ Refresh
MX Hostnames
- primeitbr-com-br.mail.protection.outlook.com
MX Priorities
- primeitbr-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 186.209.225.55 ↩ unix17.internetbrasil.net
Mail Server IPs
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.mco2.com.br hostmaster.primeitbr.com.br 1774168381 16384 2048 1048576 2560
Primary NS (mname)
ns1.mco2.com.br
Admin Email (rname)
hostmaster@primeitbr.com.br
Serial
1774168381
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns2.mco2.com.br
ns1.mco2.com.br
SPF Record
✓ Strict (-all)
v=spf1 include:spf.internetbrasil.net include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms97793507
- SPFv=spf1 include:spf.internetbrasil.net include:spf.protection.outlook.com -all
Full email verification for primeitbr.com.br
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