chesterfieldschools.org

Valid Email Server
Domain Lookup › chesterfieldschools.org

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
chesterfieldschools.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 01:17:49 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 18.233.124.95 ↩ ec2-18-233-124-95.compute-1.amazonaws.com
  • 54.221.139.169 ↩ ec2-54-221-139-169.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
  • 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns31.domaincontrol.com dns.jomax.net 2026022508 28800 7200 604800 600
Primary NS (mname)
ns31.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022508
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns31.domaincontrol.com
ns32.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

✗ 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

9 records
  • MS=ms28400811
  • MS=ms57037911
  • MS=ms58558626
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • logmein-verification-code=b21daac5-030d-4a23-8d47-5af62cb0de44
  • google-site-verification=ephGE7lIseHxfQiwmxbhCJufwnLdLMrxRSyEZFDNWNA
  • 21e94977e259a9919168a0ef64757b
  • fortinet-fortiphish-site-verification=vQcMk7UUVy25VTBAsepJBD
  • MS=ms27609137
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