Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
big.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 05:13:51 UTC · ↺ Refresh
MX Hostnames
- big-com-br.mail.protection.outlook.com
MX Priorities
- big-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 192.160.0.1 (no PTR)
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.194.0 ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ivy.ns.cloudflare.com dns.cloudflare.com 2398810273 10000 2400 604800 1800
Primary NS (mname)
ivy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398810273
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
newt.ns.cloudflare.com
ivy.ns.cloudflare.com
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected];
~ 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: 392 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
1 record- _globalsign-domain-verification=Eq-V4mzz2En_bM9xrp0y27zrfyNw8e_QlOH6HXNjaP
Full email verification for big.com.br
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