Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
opportunity.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 17:28:37 UTC · ↺ Refresh
MX Hostnames
- opportunity-com-br.mail.protection.outlook.com
MX Priorities
- opportunity-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 34.96.79.228 ↩ 228.79.96.34.bc.googleusercontent.com
Mail Server IPs
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com 5339 21600 3600 259200 300
Primary NS (mname)
ns-cloud-c1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
5339
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-c3.googledomains.com
ns-cloud-c4.googledomains.com
ns-cloud-c2.googledomains.com
ns-cloud-c1.googledomains.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:amazonses.com include:spf.mandrillapp.com include:_spf.rdstation.com.br include:sendgrid.net include:_spf.psm.knowbe4.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]; rf=afrf; fo=0; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 6 found
google._domainkey
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
9 records- twilio-domain-verification=cc42a35719d3525bf3e3e55251bdd955
- google-site-verification=lX7QYv-yjRrZdAwd-ZzJOmIjEHeFfR_OvestVJVwQMk
- innter3sph77m5t97qg5ckiecj
- amazonses:6VJljdDIrvihGBuCJpfwk90chFj23KUKCdnpWdr+BHg=
- notion-domain-verification=SZFKwEDZN00pPlEQ9ugKVd4puudGmAJMmdX8jD4hmI6
- MS=ms88072014
- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:amazonses.com include:spf.mandrillapp.com include:_spf.rdstation.com.br include:sendgrid.net include:_spf.psm.knowbe4.com ~all
- mandrill_verify.WfPRSlldpEkqnTDujpjCbg
- google-site-verification=CsA3WAVo3DkOJAdTCaCaBuedCGM4WVf5RbiYFvUBTlg
Full email verification for opportunity.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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