comstor.com

Valid Email Server
Domain Lookup › comstor.com

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
comstor.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 00:17:28 UTC · ↺ Refresh

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MX Hostnames

  • comstor-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 216.150.156.242 (no PTR)

Mail Server IPs

  • 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns3.westcon.com dnsadmin.westcon.com 2026062504 43200 600 2419200 1800
Primary NS (mname)
ns3.westcon.com
Admin Email (rname)
dnsadmin@westcon.com
Serial
2026062504
Refresh
43200s
Retry
600s
Expire
2419200s
Minimum TTL
1800s

Nameservers (NS)

ns2.westcon.com
ns4.westcon.com
ns1.westcon.com
ns3.westcon.com
ns1.westcon.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:westcon.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;adkim=r;aspf=r;pct=25;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=0
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
⚠ Policy applies to 25% of failing messages only

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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

13 records
  • docusign=e012dae3-b346-453a-93cb-1fec33a3f727
  • _2fpqkxo2ktnoyikadcx6x2pc7g1cj0z
  • 56f4fed0-5722-4e3b-a1da-b730ea305442
  • SPFv=spf1 include:westcon.com -all
  • webexdomainverification.4C675B88341AB136E053AB06FC0A3F65=6bb710aa-e7b9-4ae5-ba1c-3c7e8af4f6b6
  • webexdomainverification.4C675B8984ECB136E053AB06FC0A3F65=81528942-c619-400a-b6a5-2abacfa9b712
  • apple-domain-verification=0b8Lwl2TCP6G15nu
  • webexdomainverification.4C675B8B8A95B136E053AB06FC0A3F65=7c9c6556-aa24-4d1f-8330-9c9b11adbacd
  • webexdomainverification.4C675B8AFDEAB136E053AB06FC0A3F65=bb1ec4b4-04a1-4599-aa95-8fab57b08969
  • 791382f4-7aba-4482-94ac-93391f336427
  • google-site-verification=7cPWva_-9GpfeUi6S7yrX5XndORlEBmTrl2aP4PaAoc
  • f2c627f7-babf-46ec-9963-a9f5d1d7c883
  • rovag_verification_token=7B63F3B793FC458F8E1D5909DC113974
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