stmsc.org

Valid Email Server
Domain Lookup › stmsc.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stmsc.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-24 09:41:34 UTC · ↺ Refresh

MX Hostnames

  • stmsc-org.mail.protection.outlook.com

MX Priorities

  • stmsc-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 3.225.177.124 ↩ ec2-3-225-177-124.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
  • 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c902::2 ↩ mail-sj0pr03cu01602.inbound.protection.outlook.com
  • 2a01:111:f403:f902:: ↩ mail-bl2pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns77.domaincontrol.com dns.jomax.net 2025100300 28800 7200 604800 600
Primary NS (mname)
ns77.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025100300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns77.domaincontrol.com
ns78.domaincontrol.com

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 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
  • MS=91ED4DCA135E109E4F877933FDDF8B9BB9B8B302
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms58529531
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