corteidh.or.cr

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
corteidh.or.cr
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-27 03:52:13 UTC ยท โ†บ Refresh

MX Hostnames

  • corteidh.esvacloud.com

MX Priorities

  • corteidh.esvacloud.com: 0

A / AAAA Records

  • 104.18.41.245 (no PTR)

Mail Server IPs

  • 5.57.208.75 โ†ฉ corteidh.esvacloud.com

SOA Record

Raw SOA ns.racknation.cr noc.racknation.cr 2026022300 3600 1800 1209600 86400
Primary NS (mname)
ns.racknation.cr
Admin Email (rname)
noc@racknation.cr
Serial
2026022300
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.racknation.cr
ns3.racknation.cr
ns.racknation.cr

SPF Record

โœ“ Strict (-all)
v=spf1 a ip4:200.91.86.203 ip4:200.91.86.204 ip4:20.124.30.86 ip4:45.223.18.87 ip4:18.233.130.71 ip4:136.144.235.116 include:spf.masterbase.com include:spf.protection.outlook.com include:spf.esvacloud.com -all
๐Ÿ“Š DNS lookups: 4/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=r; sp=none
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โ†ณ Subdomain policy: none

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

9 records
  • MS=72603C869940CBED9780172F7CA77B80D8AB4F77
  • SPFv=spf1 a ip4:200.91.86.203 ip4:200.91.86.204 ip4:20.124.30.86 ip4:45.223.18.87 ip4:18.233.130.71 ip4:136.144.235.116 include:spf.masterbase.com include:spf.protection.outlook.com include:spf.esvacloud.com -all
  • globalsign-domain-verification=6AD6F7039F072A264AAD52406C6002CF
  • /1tVPfivI8M5Gm/sH+5al+qr49MRHEbTGcRdy5STcSs=
  • ca3-db2f5ef28ee74b52badd6269f14310db
  • cisco-ci-domain-verification=62c7df014328ae6f6588a70c24afea288b192525aa07efd896c082020ef8a19e
  • o1z7mEVTujy/1bp24B8sP6VEaMwrrGhhPdX8KxrJFEY=
  • _globalsign-domain-verification=WvuPQDRC-XQUa3RYK1__7bqCn0vurkclDNKHkAmH3E
  • HgfRNKYTTWVac/vPkPrkQVyYvbe4PSnjmd04VdZaskM=
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for corteidh.or.cr

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits