Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sheridanc.on.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 06:18:42 UTC · ↺ Refresh
MX Hostnames
- sheridanc-on-ca.mail.protection.outlook.com
MX Priorities
- sheridanc-on-ca.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
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
- 52.101.190.2 ↩ mail-yt3pr01cu00602.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
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.sheridanc.on.ca hostmaster.sheridanc.on.ca 72674 1200 180 1209600 600
Primary NS (mname)
ns.sheridanc.on.ca
Admin Email (rname)
hostmaster@sheridanc.on.ca
Serial
72674
Refresh
1200s
Retry
180s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns4.sheridanc.on.ca
ns1.sheridanc.on.ca
ns2.sheridanc.on.ca
ns3.sheridanc.on.ca
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:142.55.2.0/24 ip4:142.55.5.0/24 ip4:142.55.45.0/24 include:_spf.salesforce.com ip4:149.72.146.149 ip4:67.210.216.7 ip4:65.39.192.50 ip4:139.60.0.0/24 ip4:139.60.1.0/24 ip4:139.60.2.0/24 ip4:139.60.3.0/24 ip4:72.0.210.56 ip4:51.4.72.0/24 ip4:51.5.72.0/24 ip4:51.5.80.0/27 ip4:20.47.149.138/32 ip4:51.4.80.0/27 ip6:2a01:4180:4051:0800::/64 ip6:2a01:4180:4050:0800::/64 ip6:2a01:4180:4051:0400::/64 ip6:2a01:4180:4050:0400::/64 ip4:40.92.0.0/15 include:spf1.sheridanc.on.ca ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=10; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
5 records- apple-domain-verification=4epE4Q8hEl8dfjEG
- 4+oi74wyPMXZtwk1vi03pEc+79XpmvB+kDtZBajZAKObNCWe19H7a9wTnd/9Tg88snyFGIf1sr+HbP5zslZP3Q==
- adobe-idp-site-verification=d1f48bc6-c16c-46b3-a919-7cba21104646
- SPFv=spf1 ip4:142.55.2.0/24 ip4:142.55.5.0/24 ip4:142.55.45.0/24 include:_spf.salesforce.com ip4:149.72.146.149 ip4:67.210.216.7 ip4:65.39.192.50 ip4:139.60.0.0/24 ip4:139.60.1.0/24 ip4:139.60.2.0/24 ip4:139.60.3.0/24 ip4:72.0.210.56 ip4:51.4.72.0/24 ip4:51.5.72.0/24 ip4:51.5.80.0/27 ip4:20.47.149.138/32 ip4:51.4.80.0/27 ip6:2a01:4180:4051:0800::/64 ip6:2a01:4180:4050:0800::/64 ip6:2a01:4180:4051:0400::/64 ip6:2a01:4180:4050:0400::/64 ip4:40.92.0.0/15 include:spf1.sheridanc.on.ca ~all
- MS=FC4F36563835FBFEFD7A8F043B19931EFF874CFF
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