Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cooprofesores.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 06:12:58 UTC · ↺ Refresh
MX Hostnames
- cooprofesores-com.mail.protection.outlook.com
MX Priorities
- cooprofesores-com.mail.protection.outlook.com: 10
A / AAAA Records
- 151.106.111.87 (no PTR)
Mail Server IPs
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.41.183 ↩ mail-byapr04cu00307.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:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.rrpproxy.net tech.rrpproxy.net 2026031301 10800 3600 604800 28800
Primary NS (mname)
ns1.rrpproxy.net
Admin Email (rname)
tech@rrpproxy.net
Serial
2026031301
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns1.rrpproxy.net
ns2.rrpproxy.net
ns3.rrpproxy.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✗ None detectedNo 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
6 records- mismd2lm3nq09bro3dtp4sed
- include:23824669.spf10.hubspotemail.net
- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms33635952
- trs0j065u3cht8qj7vlpduv7il
- f2o076fsqf65jc6lsica951b0t
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