holderplus.com.br

Valid Email Server
Domain Lookup › holderplus.com.br

Domain Overview

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

Checked via [email protected] · 2026-03-31 00:52:31 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 64.29.17.1 (no PTR)
  • 216.198.79.65 (no PTR)

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 ns1.vercel-dns.com hostmaster.nsone.net 1700574245 43200 7200 1209600 600
Primary NS (mname)
ns1.vercel-dns.com
Admin Email (rname)
hostmaster@nsone.net
Serial
1700574245
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns2.vercel-dns.com
ns1.vercel-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.titan.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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

1 record
  • SPFv=spf1 include:spf.titan.email ~all
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