corecompetent.mx

Valid Email Server

Domain Overview

DNS: βœ“ 2mo ago Checker: βœ“ 2mo ago
corecompetent.mx
Yes
βœ“ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] Β· 2026-04-04 20:59:42 UTC Β· β†Ί Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 172.67.155.250
  • 104.21.66.40
  • 2606:4700:3037::ac43:9bfa
  • 2606:4700:3033::6815:4228

Mail Server IPs

  • 172.253.62.27 ↩ bc-in-f27.1e100.net
  • 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA cash.ns.cloudflare.com dns.cloudflare.com 2400446396 10000 2400 604800 1800
Primary NS (mname)
cash.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400446396
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

nola.ns.cloudflare.com
cash.ns.cloudflare.com

SPF Record

βœ“ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
πŸ“Š DNS lookups: 1/10
~ Soft fail (~all) β€” moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine β€” good protection (failing mail goes to spam)
πŸ“‹ SPF alignment: Relaxed Β· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

βœ“ 2 found
selector1._domainkey
selector2._domainkey
βœ“ Public key: 392 chars (valid)
βœ“ DKIM properly configured for selector: selector1

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

All TXT Records

4 records
  • google-site-verification=BETZJAAKTRUuQcUZ3UpLlcOF9TUsynxp9TWQTGHGi_o
  • hosting-site=core-platform-2026
  • SPFv=spf1 include:_spf.google.com ~all
  • β€œapple-domain-verification=nx0ANT3z6t4L6K2I”
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