estacenter.com

Valid Email Server
Domain Lookup › estacenter.com

Domain Overview

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

Checked via [email protected] · 2026-03-31 01:46:02 UTC · ↺ Refresh

MX Hostnames

  • mx.a.locaweb.com.br
  • mx.core.locaweb.com.br
  • mx.b.locaweb.com.br
  • mx.jk.locaweb.com.br

MX Priorities

  • mx.a.locaweb.com.br: 20
  • mx.jk.locaweb.com.br: 20
  • mx.b.locaweb.com.br: 10
  • mx.core.locaweb.com.br: 10

A / AAAA Records

  • 54.225.185.40 ↩ ec2-54-225-185-40.compute-1.amazonaws.com
  • 54.211.253.33 ↩ ec2-54-211-253-33.compute-1.amazonaws.com

Mail Server IPs

  • 186.202.4.42 ↩ mx.a.locaweb.com.br
  • 200.234.204.130 ↩ mx.jk.locaweb.com.br
  • 177.153.23.242 ↩ mx.b.locaweb.com.br
  • 177.153.23.241 ↩ mx.core.locaweb.com.br

SOA Record

Raw SOA ns-1900.awsdns-45.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1900.awsdns-45.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-995.awsdns-60.net
ns-1158.awsdns-16.org
ns-1900.awsdns-45.co.uk
ns-300.awsdns-37.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.locaweb.com.br ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no 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.locaweb.com.br ?all
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