Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
iosi.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-26 06:35:52 UTC · ↺ Refresh
MX Hostnames
- iosi-ca.mail.protection.outlook.com
MX Priorities
- iosi-ca.mail.protection.outlook.com: 0
A / AAAA Records
- 54.212.155.189 ↩ ec2-54-212-155-189.us-west-2.compute.amazonaws.com
- 54.185.12.82 ↩ ec2-54-185-12-82.us-west-2.compute.amazonaws.com
Mail Server IPs
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.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:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.cloud.qudatacentres.com registrar.qudatacentres.com 2026031040 10800 3600 604800 3600
Primary NS (mname)
dns1.cloud.qudatacentres.com
Admin Email (rname)
registrar@qudatacentres.com
Serial
2026031040
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns3.cloud.qudatacentres.com
dns1.cloud.qudatacentres.com
dns2.cloud.qudatacentres.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:206.191.13.18 a:connect.iosi.ca a:manage.iosi.ca include:autotask.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
8 records- z2lRi4HAQeP5YapLoI47x94MlCk7bjkkJD2TkInVdFlkTRV1/5w0YG0EdsTVrwXF7oqkao6zoPaA2n6mx0OC7w==
- have-i-been-pwned-verification=48b73a28dff387dacc801240cfcaf699
- pr2brqb8vuamo4m55d55eph7mh
- SPFv=spf1 include:spf.protection.outlook.com ip4:206.191.13.18 a:connect.iosi.ca a:manage.iosi.ca include:autotask.net -all
- h47s78ntoivp35se9223riqns8
- 7egplv5uevsahir0e6lonvaokv
- MS=ms67396236
- 1iupf0j0mfccrd87uj47bolf89
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