ocss.ca

Valid Email Server
Domain Lookup › ocss.ca

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
ocss.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 20:49:43 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 165.140.158.57 ↩ coolcloud931.coolcom.com

Mail Server IPs

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

SOA Record

Raw SOA ns2.coolcom.com serverhenk.coolcom.com 2026020673 3600 7200 1209600 3600
Primary NS (mname)
ns2.coolcom.com
Admin Email (rname)
serverhenk@coolcom.com
Serial
2026020673
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns1.coolcom.com
ns2.coolcom.com

SPF Record

✓ Strict (-all)
v=spf1 +ip4:209.142.64.246 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
default._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

3 records
  • SPFv=spf1 +ip4:209.142.64.246 include:spf.protection.outlook.com -all
  • MS=ms93198242
  • google-site-verification=ncPpXcmFhIZPAAsqMOKQ1y6dw57ApRg-AmgniqhfVCk
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