truenorthheatingandcooling.ca

Valid Email Server

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
truenorthheatingandcooling.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 06:42:15 UTC · ↺ Refresh

MX Hostnames

  • truenorthheatingandcooling-ca.mail.protection.outlook.com

MX Priorities

  • truenorthheatingandcooling-ca.mail.protection.outlook.com: 10

A / AAAA Records

  • 100.24.208.97 ↩ staticip2.multiscreensite.com
  • 35.172.94.1 ↩ staticip.multiscreensite.com

Mail Server IPs

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

SOA Record

Raw SOA ns1028.ui-dns.org hostmaster.1und1.com 2017060109 28800 7200 604800 600
Primary NS (mname)
ns1028.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060109
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1068.ui-dns.de
ns1025.ui-dns.com
ns1028.ui-dns.org
ns1085.ui-dns.biz

SPF Record

✗ Missing

No SPF record — domain is unprotected against spoofing.

⚠ No SPF record found. Email servers cannot verify authorized senders.

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

No TXT records found.

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