Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
natcofarma.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 05:14:19 UTC · ↺ Refresh
MX Hostnames
- natcofarma-com.mail.protection.outlook.com
MX Priorities
- natcofarma-com.mail.protection.outlook.com: 0
A / AAAA Records
- 186.209.113.136 ↩ br51-cp.valueserver.com.br
Mail Server IPs
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f804::3 ↩ mail-co1pr03cu00403.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.locaweb.com.br hostmaster.locaweb.com.br 2022031001 3600 600 1209600 3600
Primary NS (mname)
ns1.locaweb.com.br
Admin Email (rname)
hostmaster@locaweb.com.br
Serial
2022031001
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns2.locaweb.com.br
ns3.locaweb.com.br
ns1.locaweb.com.br
SPF Record
✓ Strict (-all)
v=spf1 +include:spf.protection.outlook.com +include:vtigermails.com +include:proximaresearch.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
2 records- fortinet-fortiphish-site-verification=BGCZjUyZYaDjuHqxTCajBJ
- SPFv=spf1 +include:spf.protection.outlook.com +include:vtigermails.com +include:proximaresearch.com -all
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