Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stcatharines.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 07:10:27 UTC · ↺ Refresh
MX Hostnames
- stcatharines-ca.mail.protection.outlook.com
MX Priorities
- stcatharines-ca.mail.protection.outlook.com: 0
A / AAAA Records
- 52.139.32.87 (no PTR)
Mail Server IPs
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.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
SOA Record
Raw SOA
ns1-06.azure-dns.com azuredns-hostmaster.microsoft.com 2022061601 3600 300 2419200 300
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2022061601
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-06.azure-dns.org
ns4-06.azure-dns.info
ns1-06.azure-dns.com
ns2-06.azure-dns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=stcatharines.ca.hosted.spf-report.com
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=50;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
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
6 records- CHbISeVK2tFdZg1GzCPcc4ShF/eO/zEXTbPpAxPMymGhnhtRPlDCK8zLL6SU8MtvJWpp/0yx+0s5BfKQaEpd2A==
- apple-domain-verification=EiORR3n4SswbKyx2
- amazonses:IfsTPkR5GFI6wAlLTAulvqjuSS4UpAQxtlCx/ylwqqo=
- MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJvCwHw+czoGpezDg9i0hwj05+mCNhE6gVdJRzZ8fBQ0AP39uZqGl4X8kJFlDRUR/DMODgFp1E6tm79Fg30iybr+Mzppjdi0JMu2FYydgSy+F1dM3rSbO4Qyum/7TBzX9Y9vtumPAVOgzLIHpbgDtAEc2V3+bx4iqfvCTAnUxgbwIDAQAB
- SPFv=spf1 redirect=stcatharines.ca.hosted.spf-report.com
- MS=ms76351379
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