catalystcorp.org

Valid Email Server
Domain Lookup › catalystcorp.org
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
catalystcorp.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 03:59:49 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-2.mimecast.com
  • us-smtp-inbound-1.mimecast.com

MX Priorities

No priority data.

A / AAAA Records

  • 104.18.29.60
  • 104.18.28.60
  • 2606:4700::6812:1d3c
  • 2606:4700::6812:1c3c

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ada.ns.cloudflare.com
colin.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:64.78.151.128/26 ip4:173.226.161.0/24 ip4:66.54.190.64/26 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com include:sendgrid.net include:aspmx.pardot.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

9 records
  • cisco-ci-domain-verification=e315cefa5d08bc2f808b6579fa1ad0453591c9775e5081f46bb3a69c44b3974
  • d6lqb7n7jpxvjx9416dwppt8vqqn92tn
  • docusign=5a7127ea-6ccd-49f5-b2e9-aebba33a177e
  • pardot493451=0653b7e657e051b5785eb454e2c92c4c8ea05b517b70007802c59b2ab04e7101
  • sending_domain493451=0cf090a455de6325ae10b1fb405edd6997313e145c884fadac8a52094cba2110
  • SPFv=spf1 mx a ip4:64.78.151.128/26 ip4:173.226.161.0/24 ip4:66.54.190.64/26 include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:_spf.salesforce.com include:sendgrid.net include:aspmx.pardot.com -all
  • wKpxd3qQJ9b4TpNYdbJUVmFVtPhHs5folOpaRHkLamZL316ZWYMpBUqZXlKcfD9n/lNyHjxDb4C4tIdSZsH4HQ==
  • yjym5pg75fwnn8ydh8h3wfd90sywx4fr
  • MS=ms58762334
Full email verification for catalystcorp.org

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits