Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cos-sco.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 00:35:10 UTC · ↺ Refresh
MX Hostnames
- cossco-ca0i.mail.eo.outlook.com
MX Priorities
- cossco-ca0i.mail.eo.outlook.com: 1
A / AAAA Records
- 104.21.53.165 (no PTR)
- 172.67.215.168 (no PTR)
- 2606:4700:3033::ac43:d7a8
- 2606:4700:3035::6815:35a5
Mail Server IPs
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.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
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
SOA Record
Raw SOA
dawn.ns.cloudflare.com dns.cloudflare.com 2396927865 10000 2400 604800 1800
Primary NS (mname)
dawn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2396927865
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
neil.ns.cloudflare.com
dawn.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:64.26.140.71 ip4:20.175.32.97 a:relay.electricembers.net include:spf.protection.outlook.com include:spf.cadmiumcd.com include:sendgrid.net ip4:40.80.255.180 ~all
📊 DNS lookups: 6/10
~ 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
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 mx a ip4:64.26.140.71 ip4:20.175.32.97 a:relay.electricembers.net include:spf.protection.outlook.com include:spf.cadmiumcd.com include:sendgrid.net ip4:40.80.255.180 ~all
- google-site-verification=tmddmcF23SXNdSsrA14q163MwM1ePCCzZDepNXB-B4c
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