choosecapstone.com

Valid Email Server
Domain Lookup › choosecapstone.com

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
choosecapstone.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-18 22:41:20 UTC · ↺ Refresh

MX Hostnames

  • choosecapstone-com.mail.protection.outlook.com

MX Priorities

  • choosecapstone-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 8.43.189.215 (no PTR)

Mail Server IPs

  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
  • 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com

SOA Record

Raw SOA ns-253.awsdns-31.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-253.awsdns-31.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-253.awsdns-31.com
ns-572.awsdns-07.net
ns-1284.awsdns-32.org
ns-1554.awsdns-02.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:u14360961.wl212.sendgrid.net ip4:192.185.21.203 include:amazonses.com include:websitewelcome.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

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

All TXT Records

4 records
  • google-site-verification=5WQ8nFgooUPG3Hk7Nq9f1zOBbtSdNG2MPOfWMwZnNWQ
  • google-site-verification=VKkN02dBStPfzckT-2q7QgnD9aMg3PyOSQifb1qe_8g
  • SPFv=spf1 include:spf.protection.outlook.com include:u14360961.wl212.sendgrid.net ip4:192.185.21.203 include:amazonses.com include:websitewelcome.com -all
  • MS=ms25402633
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