Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
onbusiness.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 16:44:24 UTC · ↺ Refresh
MX Hostnames
- onbusiness-ca.mail.protection.outlook.com
MX Priorities
- onbusiness-ca.mail.protection.outlook.com: 0
A / AAAA Records
- 35.212.94.138 ↩ 138.94.212.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
parking1.whc.ca sysadmin.whc.ca 49 900 600 86400 14400
Primary NS (mname)
parking1.whc.ca
Admin Email (rname)
sysadmin@whc.ca
Serial
49
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
14400s
Nameservers (NS)
parking1.whc.ca
parking2.whc.ca
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:184.71.85.226 ip4:184.70.43.158 include:spf.protection.outlook.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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 ip4:184.71.85.226 ip4:184.70.43.158 include:spf.protection.outlook.com ~all
- MS=ms50692001
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