williamson-group.com

Valid Email Server
Domain Lookup › williamson-group.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
williamson-group.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 10:10:34 UTC · ↺ Refresh

MX Hostnames

  • williamsongroup-com02e.mail.protection.outlook.com

MX Priorities

  • williamsongroup-com02e.mail.protection.outlook.com: 10

A / AAAA Records

  • 52.23.255.223 ↩ ec2-52-23-255-223.compute-1.amazonaws.com
  • 44.205.25.152 ↩ ec2-44-205-25-152.compute-1.amazonaws.com

Mail Server IPs

  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
  • 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com

SOA Record

Raw SOA ns.collegextra.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns.collegextra.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns.collegextra.net
ns.collegextra.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:aspmx.googlemail.com include:activepipe.net include:mailgun.org include:spf.protection.outlook.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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

2 records
  • SPFv=spf1 include:aspmx.googlemail.com include:activepipe.net include:mailgun.org include:spf.protection.outlook.com ~all
  • MS=ms11515593
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