capstantax.com

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
capstantax.com
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-23 00:11:57 UTC ยท โ†บ Refresh

MX Hostnames

  • capstantax-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 35.212.79.5 โ†ฉ 5.79.212.35.bc.googleusercontent.com

Mail Server IPs

  • 52.101.10.5 โ†ฉ mail-bn6pr04cu00105.inbound.protection.outlook.com
  • 52.101.40.4 โ†ฉ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.9.21 โ†ฉ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.9.20 โ†ฉ mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 โ†ฉ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: โ†ฉ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a โ†ฉ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 โ†ฉ mail-bl0pr02cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA ns-1528.awsdns-63.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1528.awsdns-63.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-296.awsdns-37.com
ns-997.awsdns-60.net
ns-1528.awsdns-63.org
ns-1758.awsdns-27.co.uk

SPF Record

โœ“ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:aspmx.pardot.com include:spfa.cpmails.com include:edgepilot.com include:docusign.net include:_spf.salesforce.com ~all
๐Ÿ“Š DNS lookups: 6/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— p=none
v=DMARC1; p=none; rua=mailto:[email protected];
โš  p=none โ€” monitoring only, no enforcement
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 2 found
selector1._domainkey
selector2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

10 records
  • 5l3dsq5mnij29ur9ilhbkp2sbq
  • MS=ms53270126
  • ZOOM_verify_Cz2y_5dMRHGvWBKjJcsXow
  • citrix-verification-code=04ae2f43-de50-4308-9c75-c2b662dfccc4
  • docusign=05de2668-f18a-4e86-bcc2-6b23f4ecaf7c
  • google-site-verification=uSGyt3MjFD4TpkW_mczZdEHXHo0VJlsILPGRf6Wg8Iw
  • openai-domain-verification=dv-DCyVtT4ZkPIK3kOE5TMqF8c1
  • pardot651473=186c27f93cd2e09f2b13a9cf3d1b302ef1c2eb204871a08b615d9532ef6b7937
  • pardot651473=a255986a1a998275644e28f64e71db684b225d037127075411751d539b324595
  • SPFv=spf1 include:spf.protection.outlook.com include:aspmx.pardot.com include:spfa.cpmails.com include:edgepilot.com include:docusign.net include:_spf.salesforce.com ~all
Full email verification for capstantax.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits