highschoolprogram.info - dns.ninja

highschoolprogram.info

DNSSEC⚠️ Not signed
A159.182.72.19🇺🇸 PEARSON-EMEA159.182.72.0/21 NCS Pearson Inc.
PTRpearsontestprep.com
PTRlo1.redirect.global.pearson.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
MXcustmx.cscdns.net
A198.58.121.58🇺🇸 AKAMAI-LINODE-AP198.58.96.0/19 Akamai Technologies
PTR198-58-121-58.ip.linodeusercontent.com
SOAdns-amer-2.ptns.pearson.comgns-dnsoperations@pearson.com 2023-04-14 #6

info

DNSSEC🔒 Signed (DS record present)
NSa0.info.afilias-nst.info
NSa2.info.afilias-nst.info
NSb0.info.afilias-nst.org ⚠️ Not in parent delegation
NSb2.info.afilias-nst.org ⚠️ Not in parent delegation
NSc0.info.afilias-nst.info
NSd0.info.afilias-nst.org ⚠️ Not in parent delegation
SOAa0.info.afilias-nst.infohostmaster@donuts.email serial=1783221883

Same first word

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSdns-amer-2.ptns.pearson.comdns-apac-1.ptns.pearson.comdns-emea-1.ptns.pearson.comns1.pearson.comns2.pearson.comdns1.cscdns.netdns2.cscdns.netMXcustmx.cscdns.netA159.182.72.19165.160.13.20165.160.15.20168.146.68.32
NSdns-amer-2.ptns.pearson.com2026-02-17 → 2026-07-05 · 3 obs
○ 2018-07-14 00:49:06
● 2026-02-17 22:58:02
● 2026-07-05 03:54:20
NSdns-apac-1.ptns.pearson.com2026-02-17 → 2026-07-05 · 3 obs
○ 2018-07-14 00:49:06
● 2026-02-17 22:58:02
● 2026-07-05 03:54:20
NSdns-emea-1.ptns.pearson.com2026-02-17 → 2026-07-05 · 3 obs
○ 2018-07-14 00:49:06
● 2026-02-17 22:58:02
● 2026-07-05 03:54:20
NSdns1.cscdns.net2015-08-02 → 2018-07-14 · 4 obs
● 2015-08-02 14:36:52
● 2018-07-14 00:49:06
○ 2026-02-17 22:58:02
○ 2026-07-05 03:54:20
NSdns2.cscdns.net2015-08-02 → 2018-07-14 · 4 obs
● 2015-08-02 14:36:52
● 2018-07-14 00:49:06
○ 2026-02-17 22:58:02
○ 2026-07-05 03:54:20
NSns1.pearson.com2026-02-17 → 2026-07-05 · 3 obs
○ 2018-07-14 00:49:06
● 2026-02-17 22:58:02
● 2026-07-05 03:54:20
NSns2.pearson.com2026-02-17 → 2026-07-05 · 3 obs
○ 2018-07-14 00:49:06
● 2026-02-17 22:58:02
● 2026-07-05 03:54:20
MXcustmx.cscdns.net2015-08-02 → 2026-07-05 · 2 obs
● 2015-08-02 14:36:52
● 2026-07-05 03:54:20
A159.182.72.192026-02-17 → 2026-07-05 · 6 obs
○ 2018-07-14 00:49:06
● 2026-02-17 22:58:02
○ 2026-02-27 05:33:04
○ 2026-05-27 15:13:10
● 2026-06-23 14:29:56
● 2026-07-05 03:54:20
A165.160.13.202015-08-02 → 2018-07-14 · 4 obs
● 2015-08-02 14:36:52
● 2018-07-14 00:49:06
○ 2026-02-17 22:58:02
○ 2026-07-05 03:54:20
A165.160.15.202015-08-02 → 2018-07-14 · 4 obs
● 2015-08-02 14:36:52
● 2018-07-14 00:49:06
○ 2026-02-17 22:58:02
○ 2026-07-05 03:54:20
A168.146.68.322026-02-27 → 2026-05-27 · 5 obs
○ 2026-02-17 22:58:02
● 2026-02-27 05:33:04
● 2026-05-27 15:13:10
○ 2026-06-23 14:29:56
○ 2026-07-05 03:54:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
infoa0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info-
highschoolprogram.infons2.pearson.com, ns1.pearson.com-

✅ Authoritative Response

Server:168.146.112.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for highschoolprogram.info (unsigned zone)

⏱️ Timing

Total: 808ms | Queries: -

📄 Records

TypeCountSample Data
A1159.182.72.19
NS3dns-apac-1.ptns.pearson.com, dns-emea-1.ptns.pearson.com...
MX1custmx.cscdns.net (pri: 10)
SOA1dns-amer-2.ptns.pearson.com gns-dnsopera

Analysis

IP Addresses

highschoolprogram.info has exactly one IP address — 159.182.72.19.

ourdiscoveryisland.com, mychineselab.com, pearson-assessment.de plus two other host names have IP numbers in common with highschoolprogram.info.

Name Servers

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

There is at least partial name server overlap between highschoolprogram.info and other domains — mylabsplus.net, english-adventure.net, pearson.it and two more among them.

These name servers frequently co-occur 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:

ns1.pearson.com directs to 168.146.112.10.

ns2.pearson.com directs to 168.146.112.11.

dns-amer-2.ptns.pearson.com directs to 159.182.12.40.

dns-apac-1.ptns.pearson.com directs to 159.182.67.40.

dns-emea-1.ptns.pearson.com directs to 159.182.79.40.

Mail Servers

highschoolprogram.info uses one mail server — custmx.cscdns.net.

The mail server setup of highschoolprogram.info matches that of other domains such as fillmorearmory.com, acdelcochemicalcatalogue.com, zsvelcro.com and two others.

custmx.cscdns.net has exactly one IP number: 198.58.121.58.