mathnotes.com - robtex.com

mathnotes.com

DNSSEC⚠️ Not signed
A159.182.31.50🇺🇸 ENETWORKS128.0.0.0/2
PTRdownload.pearsonassessments.com
PTRdownloads.pearsonassessments.com
PTRicdwpdpdweb01.ic.ncs.com
NSdns-amer-2.ptns.pearson.com ⭐ ⚠️ Not in parent delegation
A159.182.12.40🇺🇸 PEARSON-NA159.182.12.0/24 NCS Pearson Inc.
PTRdns-amer-2.ptns.pearson.com
NSdns-apac-1.ptns.pearson.com ⚠️ Not in parent delegation
A159.182.67.40🇺🇸 PEARSON-APAC159.182.67.0/24 Pearson Group
PTRdns-apac-1.ptns.pearson.com
NSdns-emea-1.ptns.pearson.com ⚠️ Not in parent delegation
A159.182.79.40🇺🇸 PEARSON-EMEA159.182.79.0/24 Pearson Group
PTRdns-emea-1.ptns.pearson.com
NSns1.pearson.com ⚠️ Not in zone NS records
A168.146.112.10🇺🇸 PEARSON-NA168.146.112.0/24 NCS Pearson Inc.
PTRns1.pearson.com
NSns2.pearson.com ⚠️ Not in zone NS records
A168.146.112.11🇺🇸 PEARSON-NA168.146.112.0/24 NCS Pearson Inc.
PTRns2.pearson.com
SOAdns-amer-2.ptns.pearson.comgns-dnsoperations@pearson.com 2010-12-10 #52

com

WOT: SAFE (60/100)

Same first word

Similar names

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSdns-amer-2.ptns.pearson.comdns-apac-1.ptns.pearson.comdns-emea-1.ptns.pearson.comns1.pearson.comns2.pearson.comns01.pearson.comns02.pearson.comns03.pearson.comns04.pearson.comMXusrlms006.prenhall.comA159.182.31.50165.193.123.17
NSdns-amer-2.ptns.pearson.com2026-03-06 → 2026-07-05 · 3 obs
○ 2018-08-15 15:57:22
● 2026-03-06 02:08:30
● 2026-07-05 03:32:38
NSdns-apac-1.ptns.pearson.com2026-03-06 → 2026-07-05 · 3 obs
○ 2018-08-15 15:57:22
● 2026-03-06 02:08:30
● 2026-07-05 03:32:38
NSdns-emea-1.ptns.pearson.com2026-03-06 → 2026-07-05 · 3 obs
○ 2018-08-15 15:57:22
● 2026-03-06 02:08:30
● 2026-07-05 03:32:38
NSns01.pearson.com2015-08-02 → 2018-08-15 · 4 obs
● 2015-08-02 10:30:32
● 2018-08-15 15:57:22
○ 2026-03-06 02:08:30
○ 2026-07-05 03:32:38
NSns02.pearson.com2015-08-02 → 2018-08-15 · 4 obs
● 2015-08-02 10:30:32
● 2018-08-15 15:57:22
○ 2026-03-06 02:08:30
○ 2026-07-05 03:32:38
NSns03.pearson.com2015-08-02 → 2018-08-15 · 4 obs
● 2015-08-02 10:30:32
● 2018-08-15 15:57:22
○ 2026-03-06 02:08:30
○ 2026-07-05 03:32:38
NSns04.pearson.com2015-08-02 → 2018-08-15 · 4 obs
● 2015-08-02 10:30:32
● 2018-08-15 15:57:22
○ 2026-03-06 02:08:30
○ 2026-07-05 03:32:38
NSns1.pearson.com2026-03-06 → 2026-07-05 · 3 obs
○ 2018-08-15 15:57:22
● 2026-03-06 02:08:30
● 2026-07-05 03:32:38
NSns2.pearson.com2026-03-06 → 2026-07-05 · 3 obs
○ 2018-08-15 15:57:22
● 2026-03-06 02:08:30
● 2026-07-05 03:32:38
MXusrlms006.prenhall.com2015-08-02 → 2018-08-15 · 4 obs
● 2015-08-02 10:30:32
● 2018-08-15 15:57:22
○ 2026-03-06 02:08:30
○ 2026-07-05 03:32:38
A159.182.31.502026-03-06 → 2026-07-05 · 3 obs
○ 2018-08-15 15:57:22
● 2026-03-06 02:08:30
● 2026-07-05 03:32:38
A165.193.123.172015-08-02 → 2018-08-15 · 4 obs
● 2015-08-02 10:30:32
● 2018-08-15 15:57:22
○ 2026-03-06 02:08:30
○ 2026-07-05 03:32:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
mathnotes.comns2.pearson.com, ns1.pearson.com2 records

✅ Authoritative Response

Server:168.146.112.10

NS records: ns2.pearson.com, ns1.pearson.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathnotes.com (unsigned zone)

⏱️ Timing

Total: 96ms | Queries: -

📄 Records

TypeCountSample Data
A1159.182.31.50
NS3dns-amer-2.ptns.pearson.com, dns-apac-1.ptns.pearson.com...
SOA1dns-amer-2.ptns.pearson.com gns-dnsopera

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.pearson.com, ns1.pearson.com)

Analysis

IP Addresses

mathnotes.com has exactly one IP address — 159.182.31.50.

secure.earlylearner.net, familyenglish.org, schoolenglish.net plus two other host names have IP numbers in common with mathnotes.com.

Name Servers

Five name servers handle delegation for mathnotes.com: ns1.pearson.com, ns2.pearson.com, dns-amer-2.ptns.pearson.com and two others.

mathnotes.com shares at least some of its name servers with other domains, including glcyber.com, harcourtassessment.se, mybuslawlab.com and two others.

These name servers are frequently paired with the name servers dns-apac-1.ptns.pearson.com and dns-emea-1.ptns.pearson.com.

Host names resolving to a single IP address:

The hostname ns1.pearson.com resolves to 168.146.112.10.

The hostname ns2.pearson.com resolves to 168.146.112.11.

The hostname dns-amer-2.ptns.pearson.com resolves to 159.182.12.40.

The hostname dns-apac-1.ptns.pearson.com resolves to 159.182.67.40.

The hostname dns-emea-1.ptns.pearson.com resolves to 159.182.79.40.