colliersengineering.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
colliersengineering.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 10:29:10 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 162.159.134.42 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1-05.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-05.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns1-05.azure-dns.com
ns2-05.azure-dns.net
ns3-05.azure-dns.org
ns4-05.azure-dns.info

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ip4:63.137.44.192/26 ip4:159.183.190.47 ip4:18.213.156.23 ip4:208.42.98.19 ip4:147.202.67.24 include:_netblocks.mimecast.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

9 records
  • apple-domain-verification=gqqSjBydkUmc1TXp
  • MS=ms34203794
  • 0ed1fe018a74faca3c9a2d46419bb821822fb7a018
  • SPFv=spf1 mx ip4:63.137.44.192/26 ip4:159.183.190.47 ip4:18.213.156.23 ip4:208.42.98.19 ip4:147.202.67.24 include:_netblocks.mimecast.com ~all
  • google-site-verification=R_DBJE2SJ0K3dMtUYxwReI1EL5eIRoktJ3Wrkh4lEOs
  • have-i-been-pwned-verification=65ab2401f1f497cf8244eca12c3d7a4b
  • cisco-ci-domain-verification=53340d16e320f295c52c014792c912f1d98e4b13f8b9f69ff57da76e08ef242d
  • ZOOM_verify_2u9e3KzRyIY5KxW3ea5pN2
  • docusign=312b35c7-4064-4132-8aa8-819ccfb055de
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