estra.com.co

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
estra.com.co
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 23:01:09 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 192.186.135.190

Mail Server IPs

  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 142.251.16.27 ↩ bl-in-f27.1e100.net
  • 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net

SOA Record

Raw SOA ns1.impsat.net.co hostmaster.impsat.net.ar 2221125010 10800 3600 604800 21600
Primary NS (mname)
ns1.impsat.net.co
Admin Email (rname)
hostmaster@impsat.net.ar
Serial
2221125010
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
21600s

Nameservers (NS)

ans1co.cirion.live
ans2co.cirion.live

SPF Record

✓ Soft Fail (~all)
v=spf1 IP4:190.216.129.164/32 include:_spf.google.com include:spf.mandrillapp.com include:43835684.spf05.hubspotemail.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 234 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

4 records
  • DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB;
  • SPFv=spf1 IP4:190.216.129.164/32 include:_spf.google.com include:spf.mandrillapp.com include:43835684.spf05.hubspotemail.net ~all
  • google-site-verification=K79pTj6mFuz1PNtXl89lti9MpmqTexJJMB3uMa-tPl4
  • v=estra.com.co MS=ms18178665
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