nesprep.com - dns.ninja

nesprep.com

DNSSEC⚠️ Not signed
A52.16.65.30🇮🇪 Amazon52.16.0.0/15 EC2 DUB prefix
PTRec2-52-16-65-30.eu-west-1.compute.amazonaws.com
A52.210.166.223🇮🇪 Amazon52.208.0.0/13 EC2 DUB prefix
A99.80.227.114🇮🇪 Amazon99.80.0.0/15 EC2 DUB prefix
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 2010-11-06 #9

com

Subdomains

Same first word

Similar names

DNS History

23 records (8 active, 15 former)

20162017201820192020202120222023202420252026NSdns-amer-2.ptns.pearson.comdns-apac-1.ptns.pearson.comdns-emea-1.ptns.pearson.comns1.pearson.comns2.pearson.comdns-amer-1.ptns.pearson.comdns-apac-2.ptns.pearson.comdns-emea-2.ptns.pearson.comns01.pearson.comns02.pearson.comns03.pearson.comns04.pearson.comA52.16.65.3052.210.166.22399.80.227.114108.128.236.17159.182.16.51168.146.72.7734.240.213.21534.246.144.18534.251.164.25552.51.131.5963.35.23.131
NSdns-amer-1.ptns.pearson.com2021-10-01 → 2021-10-01 · 4 obs
○ 2016-12-12 05:12:48
● 2021-10-01 00:46:10
○ 2026-03-04 01:39:50
○ 2026-08-03 17:50:48
NSdns-amer-2.ptns.pearson.com2021-10-01 → 2026-08-03 · 3 obs
○ 2016-12-12 05:12:48
● 2021-10-01 00:46:10
● 2026-08-03 17:50:48
NSdns-apac-1.ptns.pearson.com2021-10-01 → 2026-08-03 · 3 obs
○ 2016-12-12 05:12:48
● 2021-10-01 00:46:10
● 2026-08-03 17:50:48
NSdns-apac-2.ptns.pearson.com2021-10-01 → 2021-10-01 · 4 obs
○ 2016-12-12 05:12:48
● 2021-10-01 00:46:10
○ 2026-03-04 01:39:50
○ 2026-08-03 17:50:48
NSdns-emea-1.ptns.pearson.com2021-10-01 → 2026-08-03 · 3 obs
○ 2016-12-12 05:12:48
● 2021-10-01 00:46:10
● 2026-08-03 17:50:48
NSdns-emea-2.ptns.pearson.com2021-10-01 → 2021-10-01 · 4 obs
○ 2016-12-12 05:12:48
● 2021-10-01 00:46:10
○ 2026-03-04 01:39:50
○ 2026-08-03 17:50:48
NSns01.pearson.com2015-07-22 → 2016-12-12 · 4 obs
● 2015-07-22 19:44:32
● 2016-12-12 05:12:48
○ 2021-10-01 00:46:10
○ 2026-08-03 17:50:48
NSns02.pearson.com2015-07-22 → 2016-12-12 · 4 obs
● 2015-07-22 19:44:32
● 2016-12-12 05:12:48
○ 2021-10-01 00:46:10
○ 2026-08-03 17:50:48
NSns03.pearson.com2015-07-22 → 2016-12-12 · 4 obs
● 2015-07-22 19:44:32
● 2016-12-12 05:12:48
○ 2021-10-01 00:46:10
○ 2026-08-03 17:50:48
NSns04.pearson.com2015-07-22 → 2016-12-12 · 4 obs
● 2015-07-22 19:44:32
● 2016-12-12 05:12:48
○ 2021-10-01 00:46:10
○ 2026-08-03 17:50:48
NSns1.pearson.com2026-03-04 → 2026-08-03 · 3 obs
○ 2021-10-01 00:46:10
● 2026-03-04 01:39:50
● 2026-08-03 17:50:48
NSns2.pearson.com2026-03-04 → 2026-08-03 · 3 obs
○ 2021-10-01 00:46:10
● 2026-03-04 01:39:50
● 2026-08-03 17:50:48
A108.128.236.172026-07-27 → 2026-07-27 · 4 obs
○ 2026-04-15 16:52:56
● 2026-07-27 05:48:42
○ 2026-08-03 17:50:46
○ 2026-08-03 17:50:48
A159.182.16.512015-07-22 → 2016-07-20 · 4 obs
● 2015-07-22 19:44:32
● 2016-07-20 14:12:28
○ 2016-11-25 01:06:22
○ 2026-08-03 17:50:48
A168.146.72.772016-11-25 → 2021-10-01 · 5 obs
○ 2016-07-20 14:12:28
● 2016-11-25 01:06:22
● 2021-10-01 00:46:10
○ 2026-03-04 01:39:50
○ 2026-08-03 17:50:48
A34.240.213.2152026-07-27 → 2026-07-27 · 4 obs
○ 2026-04-15 16:52:56
● 2026-07-27 05:48:42
○ 2026-08-03 17:50:46
○ 2026-08-03 17:50:48
A34.246.144.1852026-03-04 → 2026-04-15 · 5 obs
○ 2021-10-01 00:46:10
● 2026-03-04 01:39:50
● 2026-04-15 16:52:56
○ 2026-07-27 05:48:42
○ 2026-08-03 17:50:48
A34.251.164.2552026-07-27 → 2026-07-27 · 4 obs
○ 2026-04-15 16:52:56
● 2026-07-27 05:48:42
○ 2026-08-03 17:50:46
○ 2026-08-03 17:50:48
A52.16.65.302026-08-03 → 2026-08-03 · 3 obs
○ 2026-07-27 05:48:42
● 2026-08-03 17:50:46
● 2026-08-03 17:50:48
A52.210.166.2232026-08-03 → 2026-08-03 · 3 obs
○ 2026-07-27 05:48:42
● 2026-08-03 17:50:46
● 2026-08-03 17:50:48
A52.51.131.592026-03-04 → 2026-04-15 · 5 obs
○ 2021-10-01 00:46:10
● 2026-03-04 01:39:50
● 2026-04-15 16:52:56
○ 2026-07-27 05:48:42
○ 2026-08-03 17:50:48
A63.35.23.1312026-03-04 → 2026-04-15 · 5 obs
○ 2021-10-01 00:46:10
● 2026-03-04 01:39:50
● 2026-04-15 16:52:56
○ 2026-07-27 05:48:42
○ 2026-08-03 17:50:48
A99.80.227.1142026-08-03 → 2026-08-03 · 3 obs
○ 2026-07-27 05:48:42
● 2026-08-03 17:50:46
● 2026-08-03 17:50:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
nesprep.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 nesprep.com (unsigned zone)

⏱️ Timing

Total: 252ms | Queries: -

📄 Records

TypeCountSample Data
A399.80.227.114, 52.16.65.30...
NS3dns-emea-1.ptns.pearson.com, dns-amer-2.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

Hierarchy

nesprep.com serves as the parent of www.nesprep.com.

IP Addresses

nesprep.com maps to three IP numbers — 52.16.65.30, 52.210.166.223 and 99.80.227.114.

ec2-99-80-227-114.eu-west-1.compute.amazonaws.com, pearsonaccelerated.com, pearson.com and pearsonassessments.com are examples of host names that share IP numbers with nesprep.com.

Name Servers

nesprep.com delegates to five name servers: ns1.pearson.com, ns2.pearson.com, dns-amer-2.ptns.pearson.com and two others.

nesprep.com has at least partial name server overlap with other domains, such as myitcertificationlab.com, modifiedmastering.com, anatomy360.com and two others.

It is common to see these name servers used together with name servers dns-apac-1.ptns.pearson.com and dns-emea-1.ptns.pearson.com.

Host names that point to one 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.