capstonedc.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
capstonedc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 18:53:14 UTC · ↺ Refresh

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MX Hostnames

  • capstonedc-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 104.26.11.164 (no PTR)
  • 104.26.10.164 (no PTR)
  • 172.67.72.135
  • 2606:4700:20::681a:ba4
  • 2606:4700:20::681a:aa4
  • 2606:4700:20::ac43:4887

Mail Server IPs

  • 52.101.60.2 ↩ mail-bnypr05cu00102.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
  • 2a01:111:f403:c927::7 ↩ mail-bn0pr04cu00907.inbound.protection.outlook.com
  • 2a01:111:f403:f909::4 ↩ mail-bn0pr03cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA alan.ns.cloudflare.com dns.cloudflare.com 2411431828 10000 2400 604800 1800
Primary NS (mname)
alan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2411431828
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

harlee.ns.cloudflare.com
alan.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx include:amazonses.com include:spf.protection.outlook.com include:mg-spf.greenhouse.io include:_spf.salesforce.com include:spf.mandrillapp.com include:servers.mcsv.net include:sendgrid.net -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

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

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

10 records
  • 00d390000003huceay
  • 00d8c000002hurqeay
  • _3nv2rc9wyd90fr5h59pfomjs6eo5yef
  • _nku1f2iev4x0cw39msi313pg0y0g8h9
  • _uly9t9708fhg0dwm4p9e9uiv6hiot1v
  • anthropic-domain-verification-71mchn=j3cHF73nXOv29GqtG8eAbhLAS
  • google-site-verification=HX2C2-_tbpwNn66zTuY9DWTwtsLsAdYOmjgBPfuhriU
  • pardot970603=1bb72c27305837554475b21146caee900d0b41f9045d81629deb521a94f6fb48
  • SPFv=spf1 mx include:amazonses.com include:spf.protection.outlook.com include:mg-spf.greenhouse.io include:_spf.salesforce.com include:spf.mandrillapp.com include:servers.mcsv.net include:sendgrid.net -all
  • v=verifydomain MS=3133769
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