Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
docint.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 03:41:26 UTC · ↺ Refresh
MX Hostnames
- docint-com-br.mail.protection.outlook.com
MX Priorities
- docint-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.74.188 (no PTR)
- 172.67.205.194 (no PTR)
- 2606:4700:3037::6815:4abc
- 2606:4700:3030::ac43:cdc2
Mail Server IPs
- 52.101.9.17 (no PTR)
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
SOA Record
Raw SOA
curt.ns.cloudflare.com dns.cloudflare.com 2397150733 10000 2400 604800 1800
Primary NS (mname)
curt.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397150733
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
curt.ns.cloudflare.com
perla.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
default._domainkey
mail._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
3 records- google-site-verification=RKhcTHCJ6OQzUelVemFNZeJ8_6AEBqjvOjHPLzUhguI
- SPFv=spf1 include:spf.protection.outlook.com -all
- Sendinblue-code:5c2343981f6ab642e368c098c256131b
Full email verification for docint.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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