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ncs.com

DNSSEC⚠️ Not signed
A168.146.68.32🇺🇸 PEARSON-NA
PTRus1.redirect.global.pearson.com
NSdns-amer-2.ptns.pearson.com ⭐ ⚠️ Not in parent delegation
A159.182.12.40🇺🇸 PEARSON-NA
PTRdns-amer-2.ptns.pearson.com
NSdns-apac-1.ptns.pearson.com ⚠️ Not in parent delegation
A159.182.67.40🇺🇸 PEARSON-APAC
PTRdns-apac-1.ptns.pearson.com
NSdns-emea-1.ptns.pearson.com ⚠️ Not in parent delegation
A159.182.79.40🇺🇸 PEARSON-EMEA
PTRdns-emea-1.ptns.pearson.com
NSns1.pearson.com ⚠️ Not in zone NS records
A168.146.112.10🇺🇸 PEARSON-NA
PTRns1.pearson.com
NSns2.pearson.com ⚠️ Not in zone NS records
A168.146.112.11🇺🇸 PEARSON-NA
PTRns2.pearson.com
MXncs-com.mail.protection.outlook.com ⭐
TXTv=spf1 include:_spf.ncs_com._d.easydmarc.pro ~all
TXTMS=ms48981051
TXTgoogle-site-verification=2it6azHuVtyJle9T2xadkk_Rt07ViJGoqb9btTu5o9c
SOAdns-amer-2.ptns.pearson.comgns-dnsoperations@pearson.com 2010-11-06 #41

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Up

pedcsmx1.ncs.com
ncspsmtp.ncs.com
k12.ncs.com
ic.ncs.com
elmheat.ncs.com
elcst.ncs.com
www.ncs.com
vpn.ncs.com
pedcsmx2.ncs.com
sftp.ncs.com
ncspsmtp2.ncs.com
schoolhouse.ncs.com

Same first word

ncs.com.my
ncs.fi
ncs.com.sg
ncs.gov.ng
ncs.cn
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ncs.network
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ncs.care
ncs.ie
ncs.ch
ncs.dev
ncs.fr
ncs.go.kr
ncs.io
ncs.credit
ncs.hu
ncs.gov.ie
ncs.rs

Similar names

snc.it
csn.fi
scn.in
nsc.lt
cns.es
cns.digital
nsc.net.br
scn.pl
csn.com.sg
cns.eu
cns.se
nsc.it
cns.ac.th
nsc.solutions
scn.com.br
nsc.net.au
cns.co.nz
scn.com.uy
csn.biz
nsc.edu
nsc.gov.il
cns.be
cns.kr
nsc.aero
csn.prato.it
snc.be
snc.net
cns.gob.mx
scn.mx
scn.com.cn
cns.ac.cn
nsc.sk
cns.pl
nsc.nl
csn.ag
cns.com.tw
snc.pt
cns.no
snc.ca
csn.awsapps.com
snc.cn
snc.cx
nsc.com.tw
snc.edu
csn.com.tw
cns.tools
cns.services
snc.com.tr
cns.re.kr
cns.careers
cns.name
cns.group
cns.com.pl
cns.tv
nsc.in
nsc.gov.af
cns.lu
scn.co.in
scn.at
nsc.eu.com
snc.dk
csn.de
nsc.co.kr
nsc.ie
csn.pt
nsc.co.uk
cns.blue
nsc.kr
cns.bio
nsc.spb.ru
cns.co.jp
nsc.gov.in
snc.rs
csn.cn
csn.info

DNS History

18 records (7 active, 11 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.comMXncs-com.mail.protection.outlook.compedcsmx1.ncs.compedcsmx2.ncs.comA168.146.68.32159.182.16.65159.182.72.1952.4.47.5354.175.49.6254.209.16.180
●NSdns-amer-2.ptns.pearson.com2026-02-15 → 2026-02-18 · 3 obs
○ 2020-03-09 23:01:22
● 2026-02-15 17:19:26
● 2026-02-18 08:15:18
●NSdns-apac-1.ptns.pearson.com2026-02-15 → 2026-02-18 · 3 obs
○ 2020-03-09 23:01:22
● 2026-02-15 17:19:26
● 2026-02-18 08:15:18
●NSdns-emea-1.ptns.pearson.com2026-02-15 → 2026-02-18 · 3 obs
○ 2020-03-09 23:01:22
● 2026-02-15 17:19:26
● 2026-02-18 08:15:18
○NSns01.pearson.com2015-08-20 → 2020-03-09 · 4 obs
● 2015-08-20 10:03:02
● 2020-03-09 23:01:22
○ 2026-02-15 17:19:26
○ 2026-02-18 08:15:18
○NSns02.pearson.com2015-08-20 → 2020-03-09 · 4 obs
● 2015-08-20 10:03:02
● 2020-03-09 23:01:22
○ 2026-02-15 17:19:26
○ 2026-02-18 08:15:18
○NSns03.pearson.com2015-08-20 → 2020-03-09 · 4 obs
● 2015-08-20 10:03:02
● 2020-03-09 23:01:22
○ 2026-02-15 17:19:26
○ 2026-02-18 08:15:18
○NSns04.pearson.com2015-08-20 → 2020-03-09 · 4 obs
● 2015-08-20 10:03:02
● 2020-03-09 23:01:22
○ 2026-02-15 17:19:26
○ 2026-02-18 08:15:18
●NSns1.pearson.com2026-02-15 → 2026-02-18 · 3 obs
○ 2020-03-09 23:01:22
● 2026-02-15 17:19:26
● 2026-02-18 08:15:18
●NSns2.pearson.com2026-02-15 → 2026-02-18 · 3 obs
○ 2020-03-09 23:01:22
● 2026-02-15 17:19:26
● 2026-02-18 08:15:18
●MXncs-com.mail.protection.outlook.com2026-02-15 → 2026-02-18 · 3 obs
○ 2016-01-10 07:17:34
● 2026-02-15 17:19:26
● 2026-02-18 08:15:18
○MXpedcsmx1.ncs.com2015-08-20 → 2015-12-09 · 4 obs
● 2015-08-20 10:03:02
● 2015-12-09 06:03:16
○ 2016-01-10 07:17:34
○ 2026-02-18 08:15:18
○MXpedcsmx2.ncs.com2015-08-20 → 2015-12-09 · 4 obs
● 2015-08-20 10:03:02
● 2015-12-09 06:03:16
○ 2016-01-10 07:17:34
○ 2026-02-18 08:15:18
○A159.182.16.652015-08-20 → 2015-09-15 · 4 obs
● 2015-08-20 10:03:02
● 2015-09-15 23:57:10
○ 2015-09-18 21:35:08
○ 2026-02-18 08:15:18
○A159.182.72.192026-02-15 → 2026-02-15 · 4 obs
○ 2020-03-09 23:01:22
● 2026-02-15 17:19:26
○ 2026-02-18 07:51:12
○ 2026-02-18 08:15:18
●A168.146.68.322026-02-18 → 2026-02-18 · 3 obs
○ 2026-02-15 17:19:26
● 2026-02-18 07:51:12
● 2026-02-18 08:15:18
○A52.4.47.532015-09-18 → 2020-03-09 · 5 obs
○ 2015-09-15 23:57:10
● 2015-09-18 21:35:08
● 2020-03-09 23:01:22
○ 2026-02-15 17:19:26
○ 2026-02-18 08:15:18
○A54.175.49.622015-09-18 → 2020-03-09 · 5 obs
○ 2015-09-15 23:57:10
● 2015-09-18 21:35:08
● 2020-03-09 23:01:22
○ 2026-02-15 17:19:26
○ 2026-02-18 08:15:18
○A54.209.16.1802015-09-18 → 2020-03-09 · 5 obs
○ 2015-09-15 23:57:10
● 2015-09-18 21:35:08
● 2020-03-09 23:01:22
○ 2026-02-15 17:19:26
○ 2026-02-18 08:15:18

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 108ms | Queries: -

📄 Records

TypeCountSample Data
A1159.182.72.19
NS3dns-amer-2.ptns.pearson.com, dns-apac-1.ptns.pearson.com...
MX1ncs-com.mail.protection.outlook.com (pri
TXT3MS=ms48981051, google-site-verification=2it6azHuVtyJle9...
SOA1dns-amer-2.ptns.pearson.com gns-dnsopera

📌 Glue Records Collected

Total: 2

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

AI analysis

ncs.com is a parent of pedcsmx1.ncs.com, ncspsmtp.ncs.com, k12.ncs.com, ic.ncs.com and elmheat.ncs.com, plus a few other host names.

ncs.com resolves to one IP number: 168.146.68.32.

Other host names, for instance pearsonmylab.com, longmanschools.com, www.pearsonapi.com, embanet.biz and www.pearscn.com share IP numbers with ncs.com.

ncs.com is delegated to five name servers: ns1.pearson.com, ns2.pearson.com, dns-amer-2.ptns.pearson.com, dns-apac-1.ptns.pearson.com and dns-emea-1.ptns.pearson.com.

ncs.com at least partially shares name servers with other domains, including studentenglish.net, finishtheged.com, pennsylvaniacyberacademy.net, gedtest.net and roadtograduation.com.

Host names with one IP number:

ns1.pearson.com points to 168.146.112.10; ns2.pearson.com points to 168.146.112.11; dns-amer-2.ptns.pearson.com points to 159.182.12.40; dns-apac-1.ptns.pearson.com points to 159.182.67.40; dns-emea-1.ptns.pearson.com points to 159.182.79.40.

A single mail server handles ncs.com, ncs-com.mail.protection.outlook.com.