Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
opah.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 07:48:52 UTC · ↺ Refresh
MX Hostnames
- mx10.mailspamprotection.com
- mx30.mailspamprotection.com
- opah-com-br.mail.protection.outlook.com
- mx20.mailspamprotection.com
MX Priorities
- opah-com-br.mail.protection.outlook.com: 0
- mx10.mailspamprotection.com: 10
- mx20.mailspamprotection.com: 20
- mx30.mailspamprotection.com: 30
A / AAAA Records
- 185.158.133.1
Mail Server IPs
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 40.93.192.1 ↩ mail-dm5pr02cu00201.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
- 34.149.79.66 ↩ 66.79.149.34.bc.googleusercontent.com
- 34.120.156.61 ↩ 61.156.120.34.bc.googleusercontent.com
- 34.111.121.216
SOA Record
Raw SOA
ns-1722.awsdns-23.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1722.awsdns-23.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1498.awsdns-59.org
ns-1722.awsdns-23.co.uk
ns-248.awsdns-31.com
ns-531.awsdns-02.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com -all
Full email verification for opah.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits