Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firstdecision.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 15:29:34 UTC · ↺ Refresh
MX Hostnames
- firstdecision-com-br.mail.protection.outlook.com
MX Priorities
- firstdecision-com-br.mail.protection.outlook.com: 10
A / AAAA Records
- 185.230.63.186 ↩ unalocated.63.wixsite.com
- 185.230.63.171 ↩ unalocated.63.wixsite.com
- 185.230.63.107
Mail Server IPs
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.wixdns.net support.wix.com 2019122721 10800 3600 1209600 3600
Primary NS (mname)
ns10.wixdns.net
Admin Email (rname)
support@wix.com
Serial
2019122721
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns10.wixdns.net
ns11.wixdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
5 records- openai-domain-verification=dv-8WjBcLFNRMMimGsoCUchDivT
- sophos-domain-verification=e05a546879e0333de0060734178257ea241d01bcbdc9a162cf846c4af76ad24f
- atlassian-sending-domain-verification=f123a2c6-5fcc-4dd1-bc28-342eeaa9fac0
- atlassian-domain-verification=ol8RaTXTjnh8eorIxH1nt34clfi/ovsb50R8ebZmdSIyRKin3BmiFqG5JMPx5cUG
- SPFv=spf1 include:spf.protection.outlook.com -all
Full email verification for firstdecision.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits