cooperativecomputing.net

Valid Email Server
Domain Lookup › cooperativecomputing.net

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cooperativecomputing.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 09:10:36 UTC · ↺ Refresh

MX Hostnames

  • cooperativecomputing-net.mail.protection.outlook.com

MX Priorities

  • cooperativecomputing-net.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.21.221 (no PTR)
  • 172.67.200.215 (no PTR)
  • 2606:4700:3033::ac43:c8d7
  • 2606:4700:3034::6815:15dd

Mail Server IPs

  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c936:: ↩ mail-cy1pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA dee.ns.cloudflare.com dns.cloudflare.com 2398925766 10000 2400 604800 1800
Primary NS (mname)
dee.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398925766
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

dee.ns.cloudflare.com
neil.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • google-site-verification=bPRoOp6hKySnS11gXJoP5biqr0Pr1FOtSSyvXwc5pPg
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms12326427
Full email verification for cooperativecomputing.net

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits