grupooptimo.mx

Valid Email Server
Domain Lookup › grupooptimo.mx
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
grupooptimo.mx
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 15:24:29 UTC · ↺ Refresh

MX Hostnames

  • ALT4.ASPMX.L.GOOGLE.COM
  • ALT1.ASPMX.L.GOOGLE.COM
  • ALT2.ASPMX.L.GOOGLE.COM
  • ALT3.ASPMX.L.GOOGLE.COM
  • ASPMX.L.GOOGLE.COM

MX Priorities

No priority data.

A / AAAA Records

  • 204.69.207.1

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns403.controldns.mx
ns402.controldns.mx
ns401.controldns.mx

SPF Record

✓ Strict (-all)
v=spf1 +a +mx +ip4:198.59.144.162 include:spf.antispamcloud.com +include:relay.mailchannels.net +ip4:209.59.139.44 +include:_spf.google.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

2 records
  • SPFv=spf1 +a +mx +ip4:198.59.144.162 include:spf.antispamcloud.com +include:relay.mailchannels.net +ip4:209.59.139.44 +include:_spf.google.com -all
  • google-site-verification=iO_NIH98Ta5mP2AgsdEDgU-Ld6JYeOI5Hucecztt5Xs
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