pearsonapi.com - dns.ninja

`pearsonapi.com`

DNSSEC	⚠️ Not signed
A	159.182.72.19^{🇺🇸 PEARSON-EMEA159.182.72.0/21 NCS Pearson Inc.}
		PTR	`pearsontestprep.com`
		PTR	`lo1.redirect.global.pearson.com`
NS	`dns-amer-2.ptns.pearson.com` ⭐ ⚠️ Not in parent delegation
		A	159.182.12.40^{🇺🇸 PEARSON-NA159.182.12.0/24 NCS Pearson Inc.}
			PTR	`dns-amer-2.ptns.pearson.com`
NS	`dns-apac-1.ptns.pearson.com` ⚠️ Not in parent delegation
		A	159.182.67.40^{🇺🇸 PEARSON-APAC159.182.67.0/24 Pearson Group}
			PTR	`dns-apac-1.ptns.pearson.com`
NS	`dns-emea-1.ptns.pearson.com` ⚠️ Not in parent delegation
		A	159.182.79.40^{🇺🇸 PEARSON-EMEA159.182.79.0/24 Pearson Group}
			PTR	`dns-emea-1.ptns.pearson.com`
NS	`ns1.pearson.com` ⚠️ Not in zone NS records
		A	168.146.112.10^{🇺🇸 PEARSON-NA168.146.112.0/24 NCS Pearson Inc.}
			PTR	`ns1.pearson.com`
NS	`ns2.pearson.com` ⚠️ Not in zone NS records
		A	168.146.112.11^{🇺🇸 PEARSON-NA168.146.112.0/24 NCS Pearson Inc.}
			PTR	`ns2.pearson.com`
MX	`custmx.cscdns.net` ⭐
		A	198.58.121.58^{🇺🇸 AKAMAI-LINODE-AP198.58.96.0/19 Akamai Technologies}
			PTR	`198-58-121-58.ip.linodeusercontent.com`
SOA	`dns-amer-2.ptns.pearson.com`gns-dnsoperations@pearson.com 2023-04-12 #6

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1780946556

Subdomains

platform.pearsonapi.com

www.pearsonapi.com

production.pearsonapi.com

Same first word

pearsonapi.com

DNS History

12 records (7 active, 5 former)

●NSdns-amer-2.ptns.pearson.com2026-02-18 → 2026-06-08 · 3 obs

○ 2017-10-12 10:36:34
● 2026-02-18 00:06:24
● 2026-06-08 19:35:40

●NSdns-apac-1.ptns.pearson.com2026-02-18 → 2026-06-08 · 3 obs

○ 2017-10-12 10:36:34
● 2026-02-18 00:06:24
● 2026-06-08 19:35:40

●NSdns-emea-1.ptns.pearson.com2026-02-18 → 2026-06-08 · 3 obs

○ 2017-10-12 10:36:34
● 2026-02-18 00:06:24
● 2026-06-08 19:35:40

○NSdns1.cscdns.net2016-12-05 → 2017-10-12 · 4 obs

● 2016-12-05 00:43:58
● 2017-10-12 10:36:34
○ 2026-02-18 00:06:24
○ 2026-06-08 19:35:40

○NSdns2.cscdns.net2016-12-05 → 2017-10-12 · 4 obs

● 2016-12-05 00:43:58
● 2017-10-12 10:36:34
○ 2026-02-18 00:06:24
○ 2026-06-08 19:35:40

●NSns1.pearson.com2026-02-18 → 2026-06-08 · 3 obs

○ 2017-10-12 10:36:34
● 2026-02-18 00:06:24
● 2026-06-08 19:35:40

●NSns2.pearson.com2026-02-18 → 2026-06-08 · 3 obs

○ 2017-10-12 10:36:34
● 2026-02-18 00:06:24
● 2026-06-08 19:35:40

●MXcustmx.cscdns.net2016-12-05 → 2026-06-08 · 2 obs

● 2016-12-05 00:43:58
● 2026-06-08 19:35:40

●A159.182.72.192026-02-18 → 2026-06-08 · 9 obs

○ 2017-10-12 10:36:34
● 2026-02-18 00:06:24
○ 2026-03-02 07:44:28
● 2026-04-05 23:00:04
● 2026-04-09 07:39:22
○ 2026-04-11 01:32:54
● 2026-05-19 01:54:10
○ 2026-06-04 01:59:30
● 2026-06-08 19:35:40

○A165.160.13.202016-12-05 → 2017-10-12 · 4 obs

● 2016-12-05 00:43:58
● 2017-10-12 10:36:34
○ 2026-02-18 00:06:24
○ 2026-06-08 19:35:40

○A165.160.15.202016-12-05 → 2017-10-12 · 4 obs

● 2016-12-05 00:43:58
● 2017-10-12 10:36:34
○ 2026-02-18 00:06:24
○ 2026-06-08 19:35:40

○A168.146.68.322026-03-02 → 2026-06-04 · 8 obs

○ 2026-02-18 00:06:24
● 2026-03-02 07:44:28
○ 2026-04-05 23:00:04
○ 2026-04-09 07:39:22
● 2026-04-11 01:32:54
○ 2026-05-19 01:54:10
● 2026-06-04 01:59:30
○ 2026-06-08 19:35:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
pearsonapi.com	ns2.pearson.com, ns1.pearson.com	2 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 pearsonapi.com (unsigned zone)

⏱️ Timing

Total: 262ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`159.182.72.19`
NS	3	`dns-amer-2.ptns.pearson.com, dns-apac-1.ptns.pearson.com...`
MX	1	`custmx.cscdns.net (pri: 10)`
SOA	1	`dns-amer-2.ptns.pearson.com gns-dnsopera`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

The domain pearsonapi.com is parent to platform.pearsonapi.com, www.pearsonapi.com and production.pearsonapi.com.

IP Addresses

pearsonapi.com resolves to just one IP address, 159.182.72.19.

Two other host names, along with pearson.no, www.gedonline.net and mx.alley-oop.info, also share IP numbers with pearsonapi.com.

Name Servers

The zone pearsonapi.com is authoritative on 5 name servers: ns1.pearson.com, ns2.pearson.com, dns-amer-2.ptns.pearson.com and two additional ones.

At least some of pearsonapi.com's name servers are shared with other domains, for example pearsonlawschool.co.uk, pearsonstudium.ch, mymachinetoolkit.info and two more.

These name servers tend to be deployed in combination with the name servers dns-apac-1.ptns.pearson.com and dns-emea-1.ptns.pearson.com.

Host names with one IP number:

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.

Mail Servers

The sole mail server for pearsonapi.com is custmx.cscdns.net.

Among the domains sharing a mail server setup with pearsonapi.com are magicpak.net, pradatour.com, webpickups.net and two others.

custmx.cscdns.net directs to just one IP number, 198.58.121.58.