masteringphysics.com - dns.ninja

`masteringphysics.com`

DNSSEC	⚠️ Not signed
A	32.193.116.215
		PTR	`ec2-32-193-116-215.compute-1.amazonaws.com`
A	52.6.72.63^{🇺🇸 Amazon52.4.0.0/14 EC2 IAD prefix}
A	100.59.126.252^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
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	`mail03.pearsoncmg.com` ⭐
MX	`mail02.pearsoncmg.com`⁽¹⁰⁾
SOA	`dns-amer-2.ptns.pearson.com`gns-dnsoperations@pearson.com 2010-12-10 #69

`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=1785236972

WOT: SAFE (96/100)

Subdomains

session.masteringphysics.com

www.masteringphysics.com

Same first word

masteringphysics.org

masteringphysics.com

DNS History

36 records (10 active, 26 former)

●NSdns-amer-2.ptns.pearson.com2026-03-28 → 2026-07-28 · 3 obs

○ 2018-11-05 22:00:36
● 2026-03-28 00:51:40
● 2026-07-28 11:15:22

●NSdns-apac-1.ptns.pearson.com2026-03-28 → 2026-07-28 · 3 obs

○ 2018-11-05 22:00:36
● 2026-03-28 00:51:40
● 2026-07-28 11:15:22

●NSdns-emea-1.ptns.pearson.com2026-03-28 → 2026-07-28 · 3 obs

○ 2018-11-05 22:00:36
● 2026-03-28 00:51:40
● 2026-07-28 11:15:22

○NSns01.pearson.com2015-07-14 → 2018-11-05 · 4 obs

● 2015-07-14 15:47:46
● 2018-11-05 22:00:36
○ 2026-03-28 00:51:40
○ 2026-07-28 11:15:22

○NSns02.pearson.com2015-07-14 → 2018-11-05 · 4 obs

● 2015-07-14 15:47:46
● 2018-11-05 22:00:36
○ 2026-03-28 00:51:40
○ 2026-07-28 11:15:22

○NSns03.pearson.com2015-07-14 → 2018-11-05 · 4 obs

● 2015-07-14 15:47:46
● 2018-11-05 22:00:36
○ 2026-03-28 00:51:40
○ 2026-07-28 11:15:22

○NSns04.pearson.com2015-07-14 → 2018-11-05 · 4 obs

● 2015-07-14 15:47:46
● 2018-11-05 22:00:36
○ 2026-03-28 00:51:40
○ 2026-07-28 11:15:22

●NSns1.pearson.com2026-03-28 → 2026-07-28 · 3 obs

○ 2018-11-05 22:00:36
● 2026-03-28 00:51:40
● 2026-07-28 11:15:22

●NSns2.pearson.com2026-03-28 → 2026-07-28 · 3 obs

○ 2018-11-05 22:00:36
● 2026-03-28 00:51:40
● 2026-07-28 11:15:22

●MXmail02.pearsoncmg.com2015-07-14 → 2026-07-28 · 2 obs

● 2015-07-14 15:47:46
● 2026-07-28 11:15:22

●MXmail03.pearsoncmg.com2015-07-14 → 2026-07-28 · 2 obs

● 2015-07-14 15:47:46
● 2026-07-28 11:15:22

○A100.25.122.1852026-03-28 → 2026-03-28 · 4 obs

○ 2018-11-05 22:00:36
● 2026-03-28 00:51:40
○ 2026-04-23 16:12:06
○ 2026-07-28 11:15:22

○A100.48.176.632026-04-23 → 2026-04-23 · 4 obs

○ 2026-03-28 00:51:40
● 2026-04-23 16:12:06
○ 2026-04-27 15:01:10
○ 2026-07-28 11:15:22

○A100.50.28.52026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-23 14:16:30
● 2026-07-08 04:47:10
○ 2026-07-28 11:15:20
○ 2026-07-28 11:15:22

●A100.59.126.2522026-07-28 → 2026-07-28 · 3 obs

○ 2026-07-08 04:47:10
● 2026-07-28 11:15:20
● 2026-07-28 11:15:22

○A13.216.20.512026-04-27 → 2026-04-27 · 4 obs

○ 2026-04-23 16:12:06
● 2026-04-27 15:01:10
○ 2026-05-10 22:31:26
○ 2026-07-28 11:15:22

○A184.72.236.2032026-05-10 → 2026-05-11 · 5 obs

○ 2026-04-27 15:01:10
● 2026-05-10 22:31:26
● 2026-05-11 01:04:34
○ 2026-06-23 14:16:30
○ 2026-07-28 11:15:22

○A206.31.248.442015-07-14 → 2018-11-05 · 4 obs

● 2015-07-14 15:47:46
● 2018-11-05 22:00:36
○ 2026-03-28 00:51:40
○ 2026-07-28 11:15:22

○A23.21.92.1102026-04-23 → 2026-04-23 · 4 obs

○ 2026-03-28 00:51:40
● 2026-04-23 16:12:06
○ 2026-04-27 15:01:10
○ 2026-07-28 11:15:22

○A3.217.188.1792026-03-28 → 2026-07-28 · 2 obs

○ 2026-03-28 00:51:40
○ 2026-07-28 11:15:22

○A3.229.223.1582026-06-23 → 2026-06-23 · 4 obs

○ 2026-05-11 01:04:34
● 2026-06-23 14:16:30
○ 2026-07-08 04:47:10
○ 2026-07-28 11:15:22

●A32.193.116.2152026-07-28 → 2026-07-28 · 3 obs

○ 2026-07-08 04:47:10
● 2026-07-28 11:15:20
● 2026-07-28 11:15:22

○A32.194.161.2302026-06-23 → 2026-06-23 · 4 obs

○ 2026-05-11 01:04:34
● 2026-06-23 14:16:30
○ 2026-07-08 04:47:10
○ 2026-07-28 11:15:22

○A34.198.33.92026-03-28 → 2026-07-28 · 2 obs

○ 2026-03-28 00:51:40
○ 2026-07-28 11:15:22

○A35.172.173.1792026-03-28 → 2026-03-28 · 4 obs

○ 2018-11-05 22:00:36
● 2026-03-28 00:51:40
○ 2026-04-23 16:12:06
○ 2026-07-28 11:15:22

○A44.217.247.332026-03-28 → 2026-03-28 · 4 obs

○ 2018-11-05 22:00:36
● 2026-03-28 00:51:40
○ 2026-04-23 16:12:06
○ 2026-07-28 11:15:22

○A44.219.218.92026-04-27 → 2026-04-27 · 4 obs

○ 2026-04-23 16:12:06
● 2026-04-27 15:01:10
○ 2026-05-10 22:31:26
○ 2026-07-28 11:15:22

○A44.221.123.1962026-05-10 → 2026-05-11 · 5 obs

○ 2026-04-27 15:01:10
● 2026-05-10 22:31:26
● 2026-05-11 01:04:34
○ 2026-06-23 14:16:30
○ 2026-07-28 11:15:22

○A52.205.57.1982026-04-27 → 2026-04-27 · 4 obs

○ 2026-04-23 16:12:06
● 2026-04-27 15:01:10
○ 2026-05-10 22:31:26
○ 2026-07-28 11:15:22

●A52.6.72.632026-07-28 → 2026-07-28 · 3 obs

○ 2026-07-08 04:47:10
● 2026-07-28 11:15:20
● 2026-07-28 11:15:22

○A54.147.119.1572026-03-28 → 2026-07-28 · 2 obs

○ 2026-03-28 00:51:40
○ 2026-07-28 11:15:22

○A54.157.150.1292026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-23 14:16:30
● 2026-07-08 04:47:10
○ 2026-07-28 11:15:20
○ 2026-07-28 11:15:22

○A54.173.60.1252026-07-08 → 2026-07-08 · 4 obs

○ 2026-06-23 14:16:30
● 2026-07-08 04:47:10
○ 2026-07-28 11:15:20
○ 2026-07-28 11:15:22

○A98.85.187.1912026-05-10 → 2026-05-11 · 5 obs

○ 2026-04-27 15:01:10
● 2026-05-10 22:31:26
● 2026-05-11 01:04:34
○ 2026-06-23 14:16:30
○ 2026-07-28 11:15:22

○A98.85.3.2152026-04-23 → 2026-04-23 · 4 obs

○ 2026-03-28 00:51:40
● 2026-04-23 16:12:06
○ 2026-04-27 15:01:10
○ 2026-07-28 11:15:22

○A98.90.80.2522026-06-23 → 2026-06-23 · 4 obs

○ 2026-05-11 01:04:34
● 2026-06-23 14:16:30
○ 2026-07-08 04:47:10
○ 2026-07-28 11:15:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...	-
masteringphysics.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 masteringphysics.com (unsigned zone)

⏱️ Timing

Total: 1133ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`32.193.116.215, 52.6.72.63...`
NS	3	`dns-apac-1.ptns.pearson.com, dns-emea-1.ptns.pearson.com...`
MX	2	`mail03.pearsoncmg.com (pri: 5), mail02.pearsoncmg.com (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

session.masteringphysics.com and www.masteringphysics.com each fall under masteringphysics.com as their parent domain.

IP Addresses

masteringphysics.com maps to three IP numbers — 32.193.116.215, 52.6.72.63 and 100.59.126.252.

Name Servers

masteringphysics.com delegates to five name servers: ns1.pearson.com, ns2.pearson.com, dns-amer-2.ptns.pearson.com and two others.

masteringphysics.com has at least partial name server overlap with other domains, such as ptechina.org, qinteractive.cl, hi.com.au 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.

Host names that point to one IP address:

ns1.pearson.com resolves to the IP address 168.146.112.10.

ns2.pearson.com resolves to the IP address 168.146.112.11.

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

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

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

Mail Servers

masteringphysics.com is served by two mail servers, mail02.pearsoncmg.com and mail03.pearsoncmg.com.

Among the domains sharing a mail server setup with masteringphysics.com are masteringhelp.com, masteringastronomy.com, masteringenvironmentalscience.com and two others.

There is at least a partial MX overlap between masteringphysics.com and other domains, including pearsonmylabandmastering.com, wps.pearsoncmg.com, pearsonmylab.com and two others.