concacaf.org

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
concacaf.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 21:07:28 UTC · ↺ Refresh

MX Hostnames

  • concacaf-org.mail.protection.outlook.com

MX Priorities

  • concacaf-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 80.5.176.140 ↩ host-80-5-176-0.not-set-yet.virginmedia.net

Mail Server IPs

  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA alex.ns.cloudflare.com dns.cloudflare.com 2398746253 10000 2400 604800 1800
Primary NS (mname)
alex.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398746253
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

uma.ns.cloudflare.com
alex.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:166.78.205.64 ip4:166.78.205.65 ip4:166.78.205.66 ip4:173.212.225.111 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; v=DMARC1; p=none; p=reject; pct=100;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ 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
  • ns3.bdm.microsoftonline.com
  • ns4.bdm.microsoftonline.com
  • pexip-ms-tenant-domain-verification=b45ed911-cabb-410d-b530-ff9913376e15
  • SPFv=spf1 include:spf.protection.outlook.com ip4:166.78.205.64 ip4:166.78.205.65 ip4:166.78.205.66 ip4:173.212.225.111 -all
  • MS=ms51681731
  • amazonses:kYduruUZ5M6edMjBAsMtiHxw1lP/qi/QqHRPgpx5fw0=
  • apple-domain-verification=OR3sC0Qorya8xEOB
  • ns1.bdm.microsoftonline.com
  • ns2.bdm.microsoftonline.com
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

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

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

No credit card required
Get 1,000 Free Credits