capstoneco.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
capstoneco.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 22:24:41 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

No priority data.

A / AAAA Records

  • 141.193.213.20
  • 141.193.213.21

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns-1244.awsdns-27.org
ns-1659.awsdns-15.co.uk
ns-339.awsdns-42.com
ns-949.awsdns-54.net

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:38.142.136.144/29 ip4:38.107.70.0/24 ip4:207.90.246.0/23 include:clientspf.backstopsolutions.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:sendgrid.net include:mg-spf.greenhouse.io ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

14 records
  • atlassian-sending-domain-verification=fc7932b1-b77e-4048-9df7-58bd311184b8
  • bw=4XdGkeYxYh9lNWhPra3YCmuKKCoMvJtqYnGiMogk4sOX
  • atlassian-domain-verification=Ipgnj8440E6TNa57oSS5CH4RO5/ZkFtS8cVB2ajfk7anVHs24UmP72EFGn9O2WZA
  • adobe-idp-site-verification=1551877a2e03c3cd4aefe81621aaf40f3f3915cb728dcf97d8d145cb84d698c2
  • google-site-verification=p5v6shiDrQXbX0-FLIiEmVnWSjEXToNsVJCUQEA7t4s
  • apple-domain-verification=6HfyZxPHT780ospX
  • xg7vp4n05rq5kljnh8g33lgkj2z4nk06
  • rippling-domain-verification=68c54112f69bb846
  • MS=FFDFC307641575C195CF3F8F8B529060C599A4C6
  • vi8a4cphellvdGIlXV+hscnZRQYMvqJ0Iw6zhwGl/sjYx4+XzjY2OPeSZ7mIHaATGvKsDMntdurW3QNvb86cSA==
  • openai-domain-verification=dv-M51xG1ysvl1iqQvHj0bdVvPo
  • mongodb-site-verification=XkMdUukqCOtCqLok9DnU4beOuw3lRYPe
  • SPFv=spf1 ip4:38.142.136.144/29 ip4:38.107.70.0/24 ip4:207.90.246.0/23 include:clientspf.backstopsolutions.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com include:sendgrid.net include:mg-spf.greenhouse.io ~all
  • hibp-verify=dweb_ark9u5rbffebv72durh7oxs3
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