Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cmsl.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 15:21:41 UTC · ↺ Refresh
MX Hostnames
- cmsl-ca.mail.protection.outlook.com
MX Priorities
- cmsl-ca.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.31.156 (no PTR)
- 172.67.178.59 (no PTR)
- 2606:4700:3033::6815:1f9c
- 2606:4700:3031::ac43:b23b
Mail Server IPs
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
mallory.ns.cloudflare.com dns.cloudflare.com 2399593405 10000 2400 604800 1800
Primary NS (mname)
mallory.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399593405
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
mallory.ns.cloudflare.com
ridge.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ptr include:secureserver.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 a mx ptr include:secureserver.net include:spf.protection.outlook.com ~all
- MS=ms36875328
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