cco.on.ca

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-26 14:00:06 UTC · ↺ Refresh

MX Hostnames

  • cco-on-ca.mail.protection.outlook.com

MX Priorities

  • cco-on-ca.mail.protection.outlook.com: 0

A / AAAA Records

  • 151.101.130.159 (no PTR)

Mail Server IPs

  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 52.101.192.1 ↩ mail-yqzpr01cu01001.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:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.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

SOA Record

Raw SOA ns1.xbase.com hostmaster.xbase.com 89 900 600 86400 3600
Primary NS (mname)
ns1.xbase.com
Admin Email (rname)
hostmaster@xbase.com
Serial
89
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
3600s

Nameservers (NS)

ns1.xbase.com
ns2.xbase.com
ns3.xbase.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:38.117.75.230 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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

4 records
  • google-site-verification=vIrobcX_aEtLbt5cq_ruH1ypPf70uGOkQFgBuEzYdJI
  • SPFv=spf1 include:spf.protection.outlook.com ip4:38.117.75.230 -all
  • kboknasrgcv8uil6us187caec0
  • MS=ms41919173
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for cco.on.ca

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits