rockcastle.com.br

Valid Email Server
Domain Lookup › rockcastle.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rockcastle.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 21:27:34 UTC · ↺ Refresh

MX Hostnames

  • mx2.titan.email
  • mx1.titan.email

MX Priorities

  • mx1.titan.email: 10
  • mx2.titan.email: 20

A / AAAA Records

  • 50.116.112.107 ↩ br620-ip03.hostgator.com.br

Mail Server IPs

  • 3.216.63.151 ↩ ec2-3-216-63-151.compute-1.amazonaws.com
  • 18.211.45.15 ↩ ec2-18-211-45-15.compute-1.amazonaws.com
  • 52.5.58.87 ↩ ec2-52-5-58-87.compute-1.amazonaws.com

SOA Record

Raw SOA d.sec.dns.br hostmaster.registro.br 2026079000 86400 900 604800 900
Primary NS (mname)
d.sec.dns.br
Admin Email (rname)
hostmaster@registro.br
Serial
2026079000
Refresh
86400s
Retry
900s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

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

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

No TXT records found.

Full email verification for rockcastle.com.br

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