`keystolearning.net`

DNSSEC	⚠️ Not signed
A	159.182.72.18^{🇺🇸 PEARSON-EMEA159.182.72.0/21 NCS Pearson Inc.}
		PTR	`lo1.park.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`
TXT	`v=spf1 -all`
SOA	`dns-amer-2.ptns.pearson.com`gns-dnsoperations@pearson.com serial=7

`net`

	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=1771291465

Same first word

keystolearning.net

DNS History

12 records (6 active, 6 former)

●NSdns-amer-2.ptns.pearson.com2026-03-15 → 2026-03-17 · 3 obs

○ 2019-12-30 11:35:10
● 2026-03-15 12:40:52
● 2026-03-17 11:52:48

●NSdns-apac-1.ptns.pearson.com2026-03-15 → 2026-03-17 · 3 obs

○ 2019-12-30 11:35:10
● 2026-03-15 12:40:52
● 2026-03-17 11:52:48

●NSdns-emea-1.ptns.pearson.com2026-03-15 → 2026-03-17 · 3 obs

○ 2019-12-30 11:35:10
● 2026-03-15 12:40:52
● 2026-03-17 11:52:48

○NSdns1.cscdns.net2015-08-05 → 2019-12-30 · 4 obs

● 2015-08-05 11:00:08
● 2019-12-30 11:35:10
○ 2026-03-15 12:40:52
○ 2026-03-17 11:52:48

○NSdns2.cscdns.net2015-08-05 → 2019-12-30 · 4 obs

● 2015-08-05 11:00:08
● 2019-12-30 11:35:10
○ 2026-03-15 12:40:52
○ 2026-03-17 11:52:48

●NSns1.pearson.com2026-03-15 → 2026-03-17 · 3 obs

○ 2019-12-30 11:35:10
● 2026-03-15 12:40:52
● 2026-03-17 11:52:48

●NSns2.pearson.com2026-03-15 → 2026-03-17 · 3 obs

○ 2019-12-30 11:35:10
● 2026-03-15 12:40:52
● 2026-03-17 11:52:48

○MXcustmx.cscdns.net2015-08-05 → 2017-02-17 · 4 obs

● 2015-08-05 11:00:08
● 2017-02-17 07:12:48
○ 2019-12-30 11:35:10
○ 2026-03-17 11:52:48

○A159.182.31.502019-12-30 → 2019-12-30 · 4 obs

○ 2017-02-17 07:12:48
● 2019-12-30 11:35:10
○ 2026-03-15 12:40:52
○ 2026-03-17 11:52:48

●A159.182.72.182026-03-15 → 2026-03-17 · 3 obs

○ 2019-12-30 11:35:10
● 2026-03-15 12:40:52
● 2026-03-17 11:52:48

○A165.160.13.202015-08-05 → 2017-02-17 · 4 obs

● 2015-08-05 11:00:08
● 2017-02-17 07:12:48
○ 2019-12-30 11:35:10
○ 2026-03-17 11:52:48

○A165.160.15.202015-08-05 → 2017-02-17 · 4 obs

● 2015-08-05 11:00:08
● 2017-02-17 07:12:48
○ 2019-12-30 11:35:10
○ 2026-03-17 11:52:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
keystolearning.net	ns2.pearson.com, ns1.pearson.com	-

✅ Authoritative Response

Server: 168.146.112.10

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keystolearning.net (unsigned zone)

⏱️ Timing

Total: 441ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`159.182.72.18`
NS	3	`dns-emea-1.ptns.pearson.com, dns-apac-1.ptns.pearson.com...`
TXT	1	`v=spf1 -all`
SOA	1	`dns-amer-2.ptns.pearson.com gns-dnsopera`

Analysis

IP Addresses

keystolearning.net points to a single IP number: 159.182.72.18.

Other host names, for instance acadmix.net, pearsonschoolinternational.com, myintrobusinesslab.us, credentio.com and pearsonuniversitycollege.org share IP numbers with keystolearning.net.

Name Servers

keystolearning.net 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.

keystolearning.net at least partially shares name servers with other domains, for instance pearsonclinical.org, listos.co.uk, mastersincriminaljusticeguides.org, beckscales.com and raventest.ca.

Host names with a single 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

keystolearning.net - robtex.com