crnns.ca

Valid Email Server
Domain Lookup › crnns.ca

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
crnns.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 20:07:14 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • crnns-ca.mail.protection.outlook.com: 0

A / AAAA Records

  • 20.48.202.160 (no PTR)

Mail Server IPs

  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 52.101.190.3 ↩ mail-yt6pr01cu00103.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:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com

SOA Record

Raw SOA dns-nb00.aliant.net hostmaster.aliant.ca 2018040749 10800 3600 2419200 900
Primary NS (mname)
dns-nb00.aliant.net
Admin Email (rname)
hostmaster@aliant.ca
Serial
2018040749
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s

Nameservers (NS)

dns-on01.aliant.net
dns-nb01.aliant.net
dns-ns00.aliant.net
dns-nb00.aliant.net
dns-qc02.aliant.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:71.7.191.0/24 ip4:199.68.176.0/24 ip4:71.7.139.0/24 ip4:142.177.160.0/24 ip4:64.50.144.0/20 include:spf.protection.outlook.com ?all
📊 DNS lookups: 3/10
? Neutral (?all) — no enforcement

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • google-site-verification=opaFc4lnmHYjBC-5pJijpS3l1Ge24si89tGOo6PYrnM
  • MS=ms36570995
  • MS=02BBE68627C91ED9892C7C154BA6BA6B9CD071E8
  • SPFv=spf1 a mx ip4:71.7.191.0/24 ip4:199.68.176.0/24 ip4:71.7.139.0/24 ip4:142.177.160.0/24 ip4:64.50.144.0/20 include:spf.protection.outlook.com ?all
  • d137kmvumm3ne5egbhlkmrgg1l
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