greyrockinc.ca

Valid Email Server
Domain Lookup › greyrockinc.ca

Domain Overview

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

Checked via [email protected] · 2026-03-20 07:44:48 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 172.105.11.107 ↩ 172-105-11-107.ip.linodeusercontent.com

Mail Server IPs

  • 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA dns.internic.ca noc.internic.ca 2026031901 10800 3600 604800 3600
Primary NS (mname)
dns.internic.ca
Admin Email (rname)
noc@internic.ca
Serial
2026031901
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns2.internic.ca
dns.internic.ca

SPF Record

✓ Strict (-all)
v=spf1 ip4:142.176.33.101 ip4:142.176.7.233 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

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ 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
  • MS=ms70307470
  • SPFv=spf1 ip4:142.176.33.101 ip4:142.176.7.233 include:spf.protection.outlook.com -all
  • 2kQULhKJKqMyfoNnf6p7nSo7Olr0SjpuXJyN5QVQY21bLdICJulJ5gjFXeg92OQOu1Cz4zps5cW0eh2fcdFUEg==
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