Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cb-ca.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:26:55 UTC · ↺ Refresh
MX Hostnames
- cbca-ca0e.mail.protection.outlook.com
MX Priorities
- cbca-ca0e.mail.protection.outlook.com: 0
A / AAAA Records
- 52.60.84.107 ↩ canada1.rebel.com
Mail Server IPs
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
SOA Record
Raw SOA
alex.ns.cloudflare.com dns.cloudflare.com 2399181861 10000 2400 604800 1800
Primary NS (mname)
alex.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399181861
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
elinore.ns.cloudflare.com
alex.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:spf.constantcontact.com include:spf.sendinblue.com include:spf.brevo.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=reject; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
6 records- fRl08FpEJTAFL3mZKOor8G18pWRdm0etkMMVxYh8sUSGhKoLH42Ap6xeQcOJuE73BNoSd2eJK4w7PySSfwqYKQ==
- google-site-verification=-XVlZmhYl-avVET0tMyXOOCcguXvecULnj6l75jEzkI
- SPFv=spf1 a mx include:spf.protection.outlook.com include:spf.constantcontact.com include:spf.sendinblue.com include:spf.brevo.com -all
- MS=880C35EB2307D309E5FA0E301C0756607C4F6367
- brevo-code:482f20a9c6d137ea9ef748f522f33c2c
- bw=r7hJmXbPwicWCCi8owNU7wso1ULLHTm0UJUEaXNWZDrY
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