fertz.com.br

Valid Email Server
Domain Lookup › fertz.com.br

Domain Overview

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

Checked via [email protected] · 2026-03-20 16:01:17 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 147.93.39.96 (no PTR)
  • 2a02:4780:13:993::25bd:a313:2 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1.dns-parking.com dns.hostinger.com 2026031901 10000 2400 604800 600
Primary NS (mname)
ns1.dns-parking.com
Admin Email (rname)
dns@hostinger.com
Serial
2026031901
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1.dns-parking.com
ns2.dns-parking.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • 25.02.2025
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