linux3.pearsoncmg.com - dns.ninja
linux3.pearsoncmg.com
| DNSSEC | ⚠️ Not signed | ||||||
| MX | mail03.pearsoncmg.com ⭐ | ||||||
pearsoncmg.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-amer-2.ptns.pearson.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | dns-apac-1.ptns.pearson.com ⚠️ Not in parent delegation | ||||||
| NS | dns-emea-1.ptns.pearson.com ⚠️ Not in parent delegation | ||||||
| NS | ns1.pearson.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.pearson.com ⚠️ Not in zone NS records | ||||||
| MX | b3mailprod01.pearsoncmg.com ⭐ | ||||||
| MX | b3mailprod02.pearsoncmg.com(20) | ||||||
| MX | b3mailprod03.pearsoncmg.com(30) | ||||||
| TXT | v=spf1 include:_spf.pearsoncmg_com._d.easydmarc.pro ~all | ||||||
| SOA | dns-amer-2.ptns.pearson.comgns-dnsoperations@pearson.com serial=2022053258 | ||||||
rank #29529 globally
rank #14534 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #51,105
Same first word
Similar names
DNS History
2 records (1 active, 1 former)
●MXmail03.pearsoncmg.com2015-06-21 → 2026-07-28 · 2 obs
● 2015-06-21 05:32:04
● 2026-07-28 16:25:50
● 2026-07-28 16:25:50
○A206.31.248.2102015-06-21 → 2016-04-21 · 4 obs
● 2015-06-21 05:32:04
● 2016-04-21 18:34:00
○ 2026-02-24 07:08:02
○ 2026-07-28 16:25:50
● 2016-04-21 18:34:00
○ 2026-02-24 07:08:02
○ 2026-07-28 16:25:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net... | - |
| pearsoncmg.com | ns2.pearson.com, ns1.pearson.com | 2 records |
✅ Authoritative Response
Server:168.146.112.11
NS records: ns2.pearson.com, ns1.pearson.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for pearsoncmg.com (unsigned zone)
⏱️ Timing
Total: 1548ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| MX | 1 | mail03.pearsoncmg.com (pri: 10) |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.pearson.com, ns1.pearson.com)
Analysis
Mail Servers
linux3.pearsoncmg.com has one mail server: mail03.pearsoncmg.com.
linux3.pearsoncmg.com shares the same mail server setup as other domains, including pearsonmylab.com, pearsonmastering.com, coursecompass.com and two others.
linux3.pearsoncmg.com shares mail servers — at least in part — with other domains, including masteringenvironmentalscience.com, ablongmancustom.com, myenglishlab.com and two others.
These mail servers are frequently seen alongside the mail servers mail02.pearsoncmg.com.