costarica.org

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
costarica.org
Yes
โœ“ Yes
Google
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-24 00:02:26 UTC ยท โ†บ Refresh

MX Hostnames

  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx3.googlemail.com
  • aspmx2.googlemail.com
  • aspmx.l.google.com

MX Priorities

  • aspmx3.googlemail.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • aspmx2.googlemail.com: 10

A / AAAA Records

  • 104.21.39.31 (no PTR)
  • 172.67.142.212 (no PTR)
  • 2606:4700:3036::ac43:8ed4
  • 2606:4700:3037::6815:271f

Mail Server IPs

  • 172.253.116.26 โ†ฉ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b โ†ฉ dj-in-f27.1e100.net
  • 108.177.123.27 โ†ฉ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 โ†ฉ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a โ†ฉ dj-in-f26.1e100.net
  • 192.178.155.26 โ†ฉ yuiadrs-in-f26.1e100.net
  • 2607:f8b0:4004:c08::1b โ†ฉ bi-in-f27.1e100.net

SOA Record

Raw SOA dahlia.ns.cloudflare.com dns.cloudflare.com 2398684654 10000 2400 604800 1800
Primary NS (mname)
dahlia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398684654
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dahlia.ns.cloudflare.com
koa.ns.cloudflare.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 redirect=_sk1jeu9fq.sdmarc.net
๐Ÿ“Š DNS lookups: 1/10

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected],mailto:[email protected]
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected],mailto:[email protected]

DKIM Selectors

โœ“ 3 found
google._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: google

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

All TXT Records

5 records
  • SFMC-pswyE0R1eRDZZe2DoBJFJQUFoChnSTCknnltpRop
  • apple-domain-verification=Axu33JZKai02aARI
  • facebook-domain-verification=5czh7owuxh4bfxtknox374qbwsuca6
  • google-site-verification=e3f5j6d_FGom-qcfK4uadSWiS-o9E58zwzNkRIpE5xM
  • SPFv=spf1 redirect=_sk1jeu9fq.sdmarc.net
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