coldlake.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
coldlake.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 15:33:07 UTC · ↺ Refresh

MX Hostnames

  • coldlake-com.mail.protection.outlook.com

MX Priorities

  • coldlake-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 20.15.0.36 (no PTR)

Mail Server IPs

  • 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com

SOA Record

Raw SOA udns1.ultradns.net istdept.coldlake.com 2011062010 86400 86400 1209600 86400
Primary NS (mname)
udns1.ultradns.net
Admin Email (rname)
istdept@coldlake.com
Serial
2011062010
Refresh
86400s
Retry
86400s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

udns1.ultradns.net
udns2.ultradns.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:104.160.233.32/28 include:spf.dynect.net include:spf.protection.outlook.com include:_spf.esolutionsgroup.ca -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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

5 records
  • SPFv=spf1 ip4:104.160.233.32/28 include:spf.dynect.net include:spf.protection.outlook.com include:_spf.esolutionsgroup.ca -all
  • MS=ms38249120
  • akp9vb07ftek00j1gp7p2jd88b
  • sv349ef6618d30m4o0c69do96q
  • apple-domain-verification=6swgwQ3E1Kxlebvv
Full email verification for coldlake.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits