coloradocap.com

Valid Email Server
Domain Lookup › coloradocap.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coloradocap.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 11:50:39 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 20
  • us-smtp-inbound-1.mimecast.com: 10

A / AAAA Records

  • 172.67.176.170 (no PTR)
  • 104.21.64.61 (no PTR)
  • 2606:4700:3030::ac43:b0aa (no PTR)
  • 2606:4700:3037::6815:403d (no PTR)

Mail Server IPs

  • 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA maxim.ns.cloudflare.com dns.cloudflare.com 2398147427 10000 2400 604800 1800
Primary NS (mname)
maxim.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398147427
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

maxim.ns.cloudflare.com
nena.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_netblocks.mimecast.com include:spf.emailsignatures365.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

4 records
  • google-site-verification=aLuTSGJxnn-cWjI-q0mjyDrSyYDTlQ3VDPg8_5qlUtc
  • SPFv=spf1 include:_netblocks.mimecast.com include:spf.emailsignatures365.com ~all
  • 0ed1fe018a39250e4b641a4bf08d0db4f4a4a74686
  • google-site-verification=DAhIrfWzaacKIyaZBfooPwL4M7OIib5yH4W4Lnu7Tck
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