colbythornes.com

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-19 06:06:47 UTC · ↺ Refresh

MX Hostnames

  • colbythornes-com.mail.protection.outlook.com

MX Priorities

  • colbythornes-com.mail.protection.outlook.com: 10

A / AAAA Records

  • 160.153.50.65 ↩ 65.50.153.160.host.secureserver.net

Mail Server IPs

  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com

SOA Record

Raw SOA primary.guardeddns.net dns-admin.guardeddns.net 148 28800 450 1209600 900
Primary NS (mname)
primary.guardeddns.net
Admin Email (rname)
dns-admin@guardeddns.net
Serial
148
Refresh
28800s
Retry
450s
Expire
1209600s
Minimum TTL
900s

Nameservers (NS)

ns2.omnis.com
ns1.omnis.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:emailsrvr.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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

2 records
  • MS=ms65548503
  • SPFv=spf1 include:emailsrvr.com include:spf.protection.outlook.com ~all
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