cerocuatro.com

Valid Email Server
Domain Lookup › cerocuatro.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cerocuatro.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 16:30:32 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 67.23.232.90

Mail Server IPs

  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 142.251.179.26 ↩ pd-in-f26.1e100.net
  • 2607:f8b0:4004:c27::1b ↩ yuiadsk-in-f27.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA dns29366.dizinc.com miguelangel.may.cerocuatro.com 2026030602 3600 7200 1209600 86400
Primary NS (mname)
dns29366.dizinc.com
Admin Email (rname)
miguelangel@may.cerocuatro.com
Serial
2026030602
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

dns29367.dizinc.com
dns29366.dizinc.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:67.23.232.90 ip4:107.161.177.162 +a +mx +ip4:138.128.163.226 +ip4:148.244.249.82 +ip4:69.56.236.29 +ip4:67.18.14.14 +ip4:148.244.249.82 +ip4:69.56.236.29 +ip4:67.18.14.14 +include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 2 found
google._domainkey
default._domainkey
✓ Public key: 392 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
  • MS=ms33932726
  • google-site-verification=V_3lxWVeDLb0oZXkGfr-oVZ8y1GBqs8K2h15JydzysA
  • SPFv=spf1 ip4:67.23.232.90 ip4:107.161.177.162 +a +mx +ip4:138.128.163.226 +ip4:148.244.249.82 +ip4:69.56.236.29 +ip4:67.18.14.14 +ip4:148.244.249.82 +ip4:69.56.236.29 +ip4:67.18.14.14 +include:_spf.google.com -all
  • apple-domain-verification=IklW70SbAJEHApHa
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