Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cognitivesystems.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 23:35:36 UTC · ↺ Refresh
MX Hostnames
- cognitivesystems-com.mail.protection.outlook.com
MX Priorities
- cognitivesystems-com.mail.protection.outlook.com: 10
A / AAAA Records
- 104.26.2.210 (no PTR)
- 104.26.3.210 (no PTR)
- 172.67.73.4
- 2606:4700:20::ac43:4904
- 2606:4700:20::681a:2d2
- 2606:4700:20::681a:3d2
Mail Server IPs
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.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:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
dawn.ns.cloudflare.com dns.cloudflare.com 2399171030 10000 2400 604800 1800
Primary NS (mname)
dawn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399171030
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dawn.ns.cloudflare.com
glen.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf.protection.outlook.com include:_spf.centercode.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
4 records- atlassian-domain-verification=rtijaTUzS55BGwBFcGHQQr8S6YUAZoGTsq4jGLMWm3MqwOekUqtw3bHGmLvhZb4T
- google-site-verification=saxgKQyywu0mKdH5IOWf2iad2FLK7WEJ3qcqvYA6xec
- SPFv=spf1 mx include:spf.protection.outlook.com include:_spf.centercode.com ~all
- MS=ms44158518
Full email verification for cognitivesystems.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits