Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sentinel.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 07:32:05 UTC · ↺ Refresh
MX Hostnames
- sentinel-ca.mail.protection.outlook.com
MX Priorities
- sentinel-ca.mail.protection.outlook.com: 10
A / AAAA Records
- 16.52.220.125 ↩ ec2-16-52-220-125.ca-central-1.compute.amazonaws.com
- 3.98.246.189 ↩ ec2-3-98-246-189.ca-central-1.compute.amazonaws.com
Mail Server IPs
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.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
SOA Record
Raw SOA
ns-1155.awsdns-16.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1155.awsdns-16.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-2027.awsdns-61.co.uk
ns-46.awsdns-05.com
ns-871.awsdns-44.net
ns-1155.awsdns-16.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:u1375568.wl.sendgrid.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=r; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
7 records- proxy-ssl.webflow.com
- SPFv=spf1 include:spf.protection.outlook.com include:u1375568.wl.sendgrid.net -all
- 201707111944162xg8u3ajiph7znvl9f4pbnoqdoyvwjgim6kelv0dhuqyvjz8bu
- MS=ms90855879
- apple-domain-verification=cZxYvDsIyknv8Y9mCPOLb8bS7vYmcJxPFOW1OhYt_R8
- google-site-verification=NoT_cEmO_Mhxw5faipUn0zCtVDIZu-EqTzHmn63-phE
- have-i-been-pwned-verification=dweb_oaw2s640bc12ai4k4g3qjwbk
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