adt.ca

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
adt.ca
Yes
โœ“ Yes
Outlook
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-19 03:58:27 UTC ยท โ†บ Refresh

MX Hostnames

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

MX Priorities

  • adt-ca.mail.protection.outlook.com: 1

A / AAAA Records

  • 162.159.140.100 (no PTR)
  • 172.66.0.98 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA dns3.adt.ca extdns.adt.com 2025080701 10800 3600 604800 86400
Primary NS (mname)
dns3.adt.ca
Admin Email (rname)
extdns@adt.com
Serial
2025080701
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns4.adt.ca
dns3.adt.ca

SPF Record

โœ“ Soft Fail (~all)
v=spf1 ip4:209.5.70.199 ip4:206.47.223.172 ip4:207.219.71.85 include:adt.com include:carmamail.com include:_spf.nssi.telus.com ip4:204.174.64.46/31 ip4:66.203.207.26/31 include:_spf1.adt.ca ~all
๐Ÿ“Š DNS lookups: 4/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;fo=1;rua=mailto:[email protected]
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 1 found
s1._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: s1

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

All TXT Records

8 records
  • MS=ms35638669
  • google-site-verification=7Q4HTTeZttZFRmmfMN0hZews-5jmcWioxYEKBSp-eNA
  • AjHGB2SmYZB2oxE8tSGpFW1qyAIXra+vZJM5i/+rGlwznYHjph+FbVBl8ridBo7rJ90n7xzRtb0Szs7M9elOcA==
  • uEkEfVe4OBGdqi3fTY02i9/Ivfxko+tshUeVOanIOAY=
  • _globalsign-domain-verification=JQgY4vHEBL24l_pRbEdscDSHtGQXd2Y8LhIYtNk26g
  • SPFv=spf1 ip4:209.5.70.199 ip4:206.47.223.172 ip4:207.219.71.85 include:adt.com include:carmamail.com include:_spf.nssi.telus.com ip4:204.174.64.46/31 ip4:66.203.207.26/31 include:_spf1.adt.ca ~all
  • xFXqr9MejcaNiFeX5SAGhK/8Gzi26Ecrwp7NLp55nPJkJgDPJVnbttKtZmNHnxZYq6cn0j9exPtqxb/EMqswZA==
  • google-site-verification=0JhWeAf3JO4e4ENjhBlUm4aH2ZXG2yS4Sopi19jvvoo
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