fsfx.com.br

Valid Email Server
Domain Lookup › fsfx.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fsfx.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 15:20:24 UTC · ↺ Refresh

MX Hostnames

  • fsfx-com-br.mail.protection.outlook.com

MX Priorities

  • fsfx-com-br.mail.protection.outlook.com: 10

A / AAAA Records

  • 2.16.169.134 ↩ a2-16-169-134.deploy.static.akamaitechnologies.com

Mail Server IPs

  • 52.101.200.0 ↩ mail-roap284cu02600.inbound.protection.outlook.com
  • 52.101.198.0 ↩ mail-cp5p284cu01800.inbound.protection.outlook.com
  • 52.101.198.1 ↩ mail-cp4p284cu00401.inbound.protection.outlook.com
  • 52.101.198.38 ↩ mail-cp3p284cu00706.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.fsfx.com.br ns2.fsfx.com.br 2026031102 3600 600 2419200 3600
Primary NS (mname)
ns1.fsfx.com.br
Admin Email (rname)
ns2@fsfx.com.br
Serial
2026031102
Refresh
3600s
Retry
600s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns1.fsfx.com.br
ns2.fsfx.com.br

SPF Record

✓ Strict (-all)
v=spf1 ip4:177.222.249.162 ip4:38.156.1.160/28 include:spf.messagelabs.com include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

5 records
  • MS=ms46962143
  • include:_spf.aremail.com.br
  • SPFv=spf1 ip4:177.222.249.162 ip4:38.156.1.160/28 include:spf.messagelabs.com include:spf.protection.outlook.com -all
  • DMARCv=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=50
  • yG1ugDnIAAXriqY3ZdB4qqvJtM/8dlGDl6wUBzM193g49zesIblm++VZ/MlH1q+WMbV4VuHXRtIZUxdZxWeyyQ==
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