pcroot.com - dns.ninja

pcroot.com

DNSSEC⚠️ Not signed
A168.146.68.33πŸ‡ΊπŸ‡Έ PEARSON-NA168.146.68.0/22 NCS Pearson Inc.
PTRus1.park.global.pearson.com
PTRus1.redirect.global.pearson.com
NSdns-amer-2.ptns.pearson.com ⭐ ⚠️ Not in parent delegation
A159.182.12.40πŸ‡ΊπŸ‡Έ 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
A159.182.67.40πŸ‡ΊπŸ‡Έ PEARSON-APAC159.182.67.0/24 Pearson Group
PTRdns-apac-1.ptns.pearson.com
NSdns-emea-1.ptns.pearson.com ⚠️ Not in parent delegation
A159.182.79.40πŸ‡ΊπŸ‡Έ PEARSON-EMEA159.182.79.0/24 Pearson Group
PTRdns-emea-1.ptns.pearson.com
NSns1.pearson.com ⚠️ Not in zone NS records
A168.146.112.10πŸ‡ΊπŸ‡Έ PEARSON-NA168.146.112.0/24 NCS Pearson Inc.
PTRns1.pearson.com
NSns2.pearson.com ⚠️ Not in zone NS records
A168.146.112.11πŸ‡ΊπŸ‡Έ PEARSON-NA168.146.112.0/24 NCS Pearson Inc.
PTRns2.pearson.com
TXTv=spf1 -all
SOAdns-amer-2.ptns.pearson.comgns-dnsoperations@pearson.com serial=7

com

Same first word

Similar names

DNS History

11 records (6 active, 5 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.comA168.146.68.33159.182.72.18
●NSdns-amer-2.ptns.pearson.com2026-02-24 β†’ 2026-07-05 Β· 3 obs
β—‹ 2017-04-01 00:12:08
● 2026-02-24 16:40:20
● 2026-07-05 05:19:50
●NSdns-apac-1.ptns.pearson.com2026-02-24 β†’ 2026-07-05 Β· 3 obs
β—‹ 2017-04-01 00:12:08
● 2026-02-24 16:40:20
● 2026-07-05 05:19:50
●NSdns-emea-1.ptns.pearson.com2026-02-24 β†’ 2026-07-05 Β· 3 obs
β—‹ 2017-04-01 00:12:08
● 2026-02-24 16:40:20
● 2026-07-05 05:19:50
β—‹NSns01.pearson.com2015-06-23 β†’ 2017-04-01 Β· 4 obs
● 2015-06-23 07:05:26
● 2017-04-01 00:12:08
β—‹ 2026-02-24 16:40:20
β—‹ 2026-07-05 05:19:50
β—‹NSns02.pearson.com2015-06-23 β†’ 2017-04-01 Β· 4 obs
● 2015-06-23 07:05:26
● 2017-04-01 00:12:08
β—‹ 2026-02-24 16:40:20
β—‹ 2026-07-05 05:19:50
β—‹NSns03.pearson.com2015-06-23 β†’ 2017-04-01 Β· 4 obs
● 2015-06-23 07:05:26
● 2017-04-01 00:12:08
β—‹ 2026-02-24 16:40:20
β—‹ 2026-07-05 05:19:50
β—‹NSns04.pearson.com2015-06-23 β†’ 2017-04-01 Β· 4 obs
● 2015-06-23 07:05:26
● 2017-04-01 00:12:08
β—‹ 2026-02-24 16:40:20
β—‹ 2026-07-05 05:19:50
●NSns1.pearson.com2026-02-24 β†’ 2026-07-05 Β· 3 obs
β—‹ 2017-04-01 00:12:08
● 2026-02-24 16:40:20
● 2026-07-05 05:19:50
●NSns2.pearson.com2026-02-24 β†’ 2026-07-05 Β· 3 obs
β—‹ 2017-04-01 00:12:08
● 2026-02-24 16:40:20
● 2026-07-05 05:19:50
β—‹A159.182.72.182026-02-24 β†’ 2026-05-06 Β· 7 obs
● 2026-02-24 16:40:20
β—‹ 2026-03-22 12:45:44
● 2026-04-03 12:22:16
β—‹ 2026-05-01 08:30:56
● 2026-05-06 05:33:12
β—‹ 2026-06-12 12:08:52
β—‹ 2026-07-05 05:19:50
●A168.146.68.332026-03-22 β†’ 2026-07-05 Β· 7 obs
β—‹ 2026-02-24 16:40:20
● 2026-03-22 12:45:44
β—‹ 2026-04-03 12:22:16
● 2026-05-01 08:30:56
β—‹ 2026-05-06 05:33:12
● 2026-06-12 12:08:52
● 2026-07-05 05:19:50

πŸ” DNS Trace

πŸ“‹ Delegation Chain

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

βœ… Authoritative Response

Server:168.146.112.11

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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pcroot.com (unsigned zone)

⏱️ Timing

Total: 109ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1168.146.68.33
NS3dns-emea-1.ptns.pearson.com, dns-amer-2.ptns.pearson.com...
TXT1v=spf1 -all
SOA1dns-amer-2.ptns.pearson.com gns-dnsopera

πŸ“Œ Glue Records Collected

Total: 2

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

Analysis

IP Addresses

pcroot.com directs to one IP number, which is 168.146.68.33.

Among the host names that share IP numbers with pcroot.com are tn-esl.com, mockup.com, pearsonthankyourteacher.in and two others.

Name Servers

The authoritative name servers for pcroot.com are ns1.pearson.com, ns2.pearson.com, dns-amer-2.ptns.pearson.com and two others.

pcroot.com has at least partial name server overlap with other domains, such as reutersbooks.com, pearsonedbrasil.net, myskillskit.us 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.

Hosts that resolve to one IP address:

ns1.pearson.com has the IP address 168.146.112.10.

ns2.pearson.com has the IP address 168.146.112.11.

dns-amer-2.ptns.pearson.com has the IP address 159.182.12.40.

dns-apac-1.ptns.pearson.com has the IP address 159.182.67.40.

dns-emea-1.ptns.pearson.com has the IP address 159.182.79.40.