johnsadler.ca

Valid Email Server
Domain Lookup › johnsadler.ca

Domain Overview

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

Checked via [email protected] · 2026-03-20 21:34:48 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 162.159.134.42 (no PTR)

Mail Server IPs

  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 52.101.190.2 ↩ mail-yt3pr01cu00602.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::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
  • 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
  • 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com

SOA Record

Raw SOA ns-773.awsdns-32.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-773.awsdns-32.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1901.awsdns-45.co.uk
ns-492.awsdns-61.com
ns-773.awsdns-32.net
ns-1189.awsdns-20.org

SPF Record

✓ Strict (-all)
v=spf1 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

✗ 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

4 records
  • google-site-verification=M2wFx6e-YrM261JMomk7klievMcivVzdd8JNX1lsaBY
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms49512744
  • ca3-f066061bf0ce4ba3b779b18d2e9fb28f
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