caasco.ca

Valid Email Server

Domain Overview

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

Checked via [email protected] ยท 2026-03-31 07:24:20 UTC ยท โ†บ Refresh

MX Hostnames

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

MX Priorities

  • caasco-ca.mail.protection.outlook.com: 5

A / AAAA Records

  • 147.154.3.128 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns-818.awsdns-38.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-818.awsdns-38.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-818.awsdns-38.net
ns-1116.awsdns-11.org
ns-1546.awsdns-01.co.uk
ns-167.awsdns-20.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:216.220.63.233 ip4:216.220.47.73 ip4:74.200.5.33 ip4:65.110.175.232 ip4:65.110.175.233 ip4:207.236.215.128/25 ip4:206.47.255.92 include:servers.mcsv.net include:amazonses.com include:spf.happyfox.com include:spf.sabre.com ip4:54.240.43.16 include:spf.smtp2go.com include:spf.constantcontact.com -all
๐Ÿ“Š DNS lookups: 7/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; rf=afrf; pct=100
~ Quarantine โ€” good protection (failing mail goes to spam)
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected],mailto:[email protected]
โ†ณ Subdomain policy: quarantine

DKIM Selectors

โœ“ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

11 records
  • atlassian-domain-verification=4Y9cVVP8ATQ/xbR01aL1KTWI2t1zJJXTKnUaHTaaW7tKD/IC2tv3TSngbPJnk5Hq
  • atlassian-domain-verification=W8/ChteDvuhaNXqKDxhsmHat7HhCu25cOaLMDqkE1BKf2h4UUrBeNc/ANY7uaMzE
  • dropbox-domain-verification=pnv70n8wvrjj
  • intersight=47ea02fd8ee5d36be70ce397aad9f80facbdecbcae0f6b26b4fb47efa9ee2165
  • onetrust-domain-verification=d75abb335efa491f877aa52c671e0b4d
  • trend-micro-v1-domain-verification.1b19c344a1899abf3e18b3a79438617c=3ca0c8fa-d5ea-4b40-9d3d-1e5ee730b464
  • SPFv=spf1 include:spf.protection.outlook.com ip4:216.220.63.233 ip4:216.220.47.73 ip4:74.200.5.33 ip4:65.110.175.232 ip4:65.110.175.233 ip4:207.236.215.128/25 ip4:206.47.255.92 include:servers.mcsv.net include:amazonses.com include:spf.happyfox.com include:spf.sabre.com ip4:54.240.43.16 include:spf.smtp2go.com include:spf.constantcontact.com -all
  • vmware-cloud-verification-574d6040-3b97-45ba-9848-5c7a29b2fe34
  • 1bhxaesqryms0kk4eaq6q0iuii
  • MS=ED1EF18A896312D1089B99FC78E079C060685BA8
  • MS=ms11651072
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