Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bigsal.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 04:22:42 UTC · ↺ Refresh
MX Hostnames
- bigsal-com-br.mail.protection.outlook.com
MX Priorities
- bigsal-com-br.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.195.102 (no PTR)
- 104.21.90.49 (no PTR)
- 2606:4700:3032::ac43:c366
- 2606:4700:3032::6815:5a31
Mail Server IPs
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
annalise.ns.cloudflare.com dns.cloudflare.com 2398332334 10000 2400 604800 1800
Primary NS (mname)
annalise.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398332334
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
quentin.ns.cloudflare.com
annalise.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a:mailers.nutreco.com include:spfhosting.nutreco.com include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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
✓ 2 found
selector1._domainkey
selector2._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
2 records- SPFv=spf1 a:mailers.nutreco.com include:spfhosting.nutreco.com include:spf.protection.outlook.com -all
- MS=ms43801624
Full email verification for bigsal.com.br
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits