williamsonac.com

Valid Email Server
Domain Lookup › williamsonac.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
williamsonac.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 18:08:29 UTC · ↺ Refresh

MX Hostnames

  • williamsonac-com.mail.protection.outlook.com

MX Priorities

  • williamsonac-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 23.96.179.255 (no PTR)

Mail Server IPs

  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
  • 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA dns31.cloudns.net support.cloudns.net 2024031102 7200 1800 1209600 3600
Primary NS (mname)
dns31.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2024031102
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns34.cloudns.net
dns32.cloudns.net
dns31.cloudns.net
dns33.cloudns.net

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

✓ 2 found
selector1._domainkey
selector2._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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=BeVTiwN2tCo-HgwFV0q7Pn_pALi4Gy4pf0dTN4ABw_w
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