sphereoptometry.ca

Valid Email Server
Domain Lookup › sphereoptometry.ca

Domain Overview

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

Checked via [email protected] · 2026-03-19 21:23:13 UTC · ↺ Refresh

MX Hostnames

  • sphereoptometry-ca.mail.protection.outlook.com
  • mx1-usg2.ppe-hosted.com
  • mx3-usg2.ppe-hosted.com
  • mx2-usg2.ppe-hosted.com

MX Priorities

  • sphereoptometry-ca.mail.protection.outlook.com: 0
  • mx1-usg2.ppe-hosted.com: 0
  • mx2-usg2.ppe-hosted.com: 0
  • mx3-usg2.ppe-hosted.com: 0

A / AAAA Records

  • 172.67.148.39
  • 104.21.41.156
  • 2606:4700:3032::6815:299c
  • 2606:4700:3037::ac43:9427

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
  • 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
  • 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.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
  • 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
  • 98.85.123.215 ↩ mx1-usg2.ppe-hosted.com
  • 23.21.114.81 ↩ mx2-usg2.ppe-hosted.com
  • 34.231.165.252

SOA Record

Raw SOA alla.ns.cloudflare.com dns.cloudflare.com 2397550440 10000 2400 604800 1800
Primary NS (mname)
alla.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397550440
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

alla.ns.cloudflare.com
hugh.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a include:_spf.activedemand.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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=SEFSCRR654E3piPaibxkuXn69-1OkWoAVZo6hYFeT3M
  • google-site-verification=f9c7z01EZuWs4stkddrQz8VESMqpzwRl8aWmCVFNFgg
  • SPFv=spf1 mx a include:_spf.activedemand.com include:spf.protection.outlook.com ~all
  • MS=ms29203793
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