columbia.reit

Valid Email Server
Domain Lookup › columbia.reit

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago
columbia.reit
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-18 13:45:14 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 170.187.151.241 ↩ 170-187-151-241.ip.linodeusercontent.com

Mail Server IPs

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

SOA Record

Raw SOA nsgbr.comlaude.co.uk dnstech.comlaude.com 2021120997 86400 7200 2419200 3600
Primary NS (mname)
nsgbr.comlaude.co.uk
Admin Email (rname)
dnstech@comlaude.com
Serial
2021120997
Refresh
86400s
Retry
7200s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

nsusa.comlaude.net
nsgbr.comlaude.co.uk
nssui.comlaude.ch

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:_spf.psm.knowbe4.com a:mta1.pd.ipreo.com a:mta2.pd.ipreo.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:162.159.129.11 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

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

All TXT Records

9 records
  • MS=ms45620034
  • ZOOM_verify_cEhyC316Sb6cbAiM3_vvgQ
  • IBMID-verification=2dDrat29-c557-4dad-4783-a625aple4faW
  • google-site-verification=lDE5TSYeRndR9mOl1Cs5-DBshls9SdYRsuQuvQwVQzY
  • adobe-idp-site-verification=da3d198d-f246-4dd9-a4b0-1699ed2c83e1
  • SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:_spf.psm.knowbe4.com a:mta1.pd.ipreo.com a:mta2.pd.ipreo.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.0.0/16 ip4:162.159.129.11 ~all
  • anthropic-domain-verification-6df19r=ZmuU6VmgGd8EyA6kw9Qts7Dke
  • 0ed1fe018a470e85fa4356477e8ae7ece5c5e138f0
  • MS=57E80269D7748FBDDD4980571B32734CA9049685
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