fivedev.com.br

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fivedev.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 04:50:36 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • fivedev-com-br.mail.protection.outlook.com: 0

A / AAAA Records

  • 108.179.192.119 ↩ br670-ip05.hostgator.com.br

Mail Server IPs

  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA d.sec.dns.br hostmaster.registro.br 2026080000 86400 900 604800 900
Primary NS (mname)
d.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026080000
Refresh
86400s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

f.sec.dns.br
d.sec.dns.br

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br -all include:sendgrid.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

3 records
  • ECC52219905F172195267CEB63BD60083F8C9D6831AD0683837CAFBC7141D83F
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.rdstation.com.br -all include:sendgrid.net -all
  • MS=ms36860785
Full email verification for fivedev.com.br

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits