mxa.stjohncable.com - robtex.com
mxa.stjohncable.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.248.144.21 | ||||||
stjohncable.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.248.144.39 | ||||||
| NS | dnsa.stjohncable.com ⭐ | ||||||
| NS | dnsb.stjohncable.com | ||||||
| MX | mxa.stjohncable.com ⭐ | ||||||
| MX | mxb.stjohncable.com ⭐ | ||||||
| TXT | v=spf1 mx ip4:162.248.144.15 ip4:162.248.144.16/29 -all | ||||||
| TXT | mailconf=https://autoconfig.stjohncable.com/mail/config-v1.1.xml | ||||||
| TXT | knowbe4-site-verification=1451fbaf45e96d1255821449ce30f0ed | ||||||
| TXT | google-site-verification=Mj5etrEXyiFlUL8kEZQaSr5ROUL3o29kQp2voKRTtxo | ||||||
| SOA | dnsa.stjohncable.comdnsadmin@stjohncable.com serial=1775173741 | ||||||
PTR for
MX for
DNS History
1 record (1 active, 0 former)
●A162.248.144.212015-07-17 → 2026-05-15 · 2 obs
● 2015-07-17 15:07:02
● 2026-05-15 14:52:46
● 2026-05-15 14:52:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net... | - |
| stjohncable.com | dnsa.stjohncable.com, dnsb.stjohncable.com | 2 records |
✅ Authoritative Response
Server:162.248.144.5
NS records: dnsa.stjohncable.com, dnsb.stjohncable.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stjohncable.com (unsigned zone)
⏱️ Timing
Total: 998ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.248.144.21 |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (dnsa.stjohncable.com, dnsb.stjohncable.com)
Analysis
Mail Server Role
mxa.stjohncable.com serves as the mail server for mail.stjohncable.com, stjohntelco.net, stjohncable.com and colfaxcable.com.
mxb.stjohncable.com is a mail server commonly used with mxa.stjohncable.com.
IP Addresses
mxa.stjohncable.com resolves to one IP number: 162.248.144.21.