estrategias-ltda.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
estrategias-ltda.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 18:50:44 UTC · ↺ Refresh

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MX Hostnames

  • alt3.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt2.aspmx.l.google.com

MX Priorities

  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5

A / AAAA Records

  • 13.32.241.92 ↩ server-13-32-241-92.jfk50.r.cloudfront.net
  • 13.32.241.97
  • 13.32.241.16
  • 13.32.241.105

Mail Server IPs

  • 64.233.178.27 ↩ lcyulk-in-f27.1e100.net
  • 2607:f8b0:4020:c07::1a ↩ lcyulk-in-f26.1e100.net
  • 173.194.204.26 ↩ qb-in-f26.1e100.net
  • 2607:f8b0:4004:c25::1b ↩ yuiadtq-in-f27.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net

SOA Record

Raw SOA ns-873.awsdns-45.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-873.awsdns-45.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-873.awsdns-45.net
ns-1405.awsdns-47.org
ns-1569.awsdns-04.co.uk
ns-354.awsdns-44.com

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

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

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=90; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 90% of failing messages only

DKIM Selectors

✓ 2 found
google._domainkey
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

1 record
  • brevo-code:bc2c53e766acc6649f244556991d0df9
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