Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coopersystem.com.br
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 23:40:32 UTC · ↺ Refresh
MX Hostnames
- coopersystem-com-br.mail.protection.outlook.com
MX Priorities
- coopersystem-com-br.mail.protection.outlook.com: 1
A / AAAA Records
- 104.26.0.30 (no PTR)
- 104.26.1.30 (no PTR)
- 172.67.72.144
- 2606:4700:20::ac43:4890
- 2606:4700:20::681a:11e
- 2606:4700:20::681a:1e
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.10.1 ↩ mail-bn6pr02cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
lucy.ns.cloudflare.com dns.cloudflare.com 2400304696 10000 2400 604800 1800
Primary NS (mname)
lucy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400304696
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lucy.ns.cloudflare.com
rex.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf_c.oraclecloud.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
8 records- google-site-verification=k_oXK4KOKvBXA8JVdY8yK1fnOaZdQU-Dch_OfWdE0BY
- google-site-verification=l5icFXz_6LDI3B5ERcbqO9DGtX1XqccL9ZsSRnMYWTY
- privacytools-domain-verification=6bb9a39afee7b17fc5a62bf1bcc6d6250879d2ce7b11cd6244cecac3b3945c59
- SPFv=spf1 include:spf.protection.outlook.com include:mailgun.org include:spf_c.oraclecloud.com -all
- MS=51E9D259078EFAFC6A52E6916C7633042D6929A7
- MS=D74E93DE2661EAAFF96D9CF747977EA9D6C33D21
- apple-domain-verification=xxr1ydu2cECem0LB
- google-site-verification=dHqjBSHeNsazzFDBkYOtgll3Vq1mTuZ-2sgEx8TY_fw
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