jackstransmissions.com

Valid Email Server

Domain Overview

DNS: ✓ 3h ago Checker: ✓ 3h ago
jackstransmissions.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 19:46:11 UTC · ↺ Refresh

MX Hostnames

  • jackstransmissions-com.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 192.30.131.116 (no PTR)

Mail Server IPs

  • 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
  • 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
  • 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
  • 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
  • 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns25.domaincontrol.com dns.jomax.net 2026011300 28800 7200 604800 3600
Primary NS (mname)
ns25.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026011300
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns25.domaincontrol.com
ns26.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net -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

3 records
  • SPFv=spf1 include:secureserver.net -all
  • google-site-verification=Q2mM9hg51R7v28Pjst_W6FhCtItKABHI69IRo-xBqlI
  • NETORGFT7324542.onmicrosoft.com
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