masteringenvironmentalscience.com - dns.ninja

`masteringenvironmentalscience.com`

DNSSEC	⚠️ Not signed
A	32.197.28.133
		PTR	`ec2-32-197-28-133.compute-1.amazonaws.com`
A	34.238.200.232^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
A	52.204.91.176^{🇺🇸 Amazon52.200.0.0/13 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 #70

`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=1785216567

WOT: UNKNOWN (67/100)

Subdomains

www.masteringenvironmentalscience.com

session.masteringenvironmentalscience.com

Same first word

masteringenvironmentalscience.info

masteringenvironmentalscience.com

masteringenvironmentalscience.org

DNS History

25 records (10 active, 15 former)

●NSdns-amer-2.ptns.pearson.com2026-02-15 → 2026-07-28 · 3 obs

○ 2017-05-15 16:34:12
● 2026-02-15 05:40:36
● 2026-07-28 05:41:50

●NSdns-apac-1.ptns.pearson.com2026-02-15 → 2026-07-28 · 3 obs

○ 2017-05-15 16:34:12
● 2026-02-15 05:40:36
● 2026-07-28 05:41:50

●NSdns-emea-1.ptns.pearson.com2026-02-15 → 2026-07-28 · 3 obs

○ 2017-05-15 16:34:12
● 2026-02-15 05:40:36
● 2026-07-28 05:41:50

○NSns01.pearson.com2015-05-30 → 2017-05-15 · 4 obs

● 2015-05-30 21:36:16
● 2017-05-15 16:34:12
○ 2026-02-15 05:40:36
○ 2026-07-28 05:41:50

○NSns02.pearson.com2015-05-30 → 2017-05-15 · 4 obs

● 2015-05-30 21:36:16
● 2017-05-15 16:34:12
○ 2026-02-15 05:40:36
○ 2026-07-28 05:41:50

○NSns03.pearson.com2015-05-30 → 2017-05-15 · 4 obs

● 2015-05-30 21:36:16
● 2017-05-15 16:34:12
○ 2026-02-15 05:40:36
○ 2026-07-28 05:41:50

○NSns04.pearson.com2015-05-30 → 2017-05-15 · 4 obs

● 2015-05-30 21:36:16
● 2017-05-15 16:34:12
○ 2026-02-15 05:40:36
○ 2026-07-28 05:41:50

●NSns1.pearson.com2026-02-15 → 2026-07-28 · 3 obs

○ 2017-05-15 16:34:12
● 2026-02-15 05:40:36
● 2026-07-28 05:41:50

●NSns2.pearson.com2026-02-15 → 2026-07-28 · 3 obs

○ 2017-05-15 16:34:12
● 2026-02-15 05:40:36
● 2026-07-28 05:41:50

●MXmail02.pearsoncmg.com2015-05-30 → 2026-07-28 · 2 obs

● 2015-05-30 21:36:16
● 2026-07-28 05:41:50

●MXmail03.pearsoncmg.com2015-05-30 → 2026-07-28 · 2 obs

● 2015-05-30 21:36:16
● 2026-07-28 05:41:50

○A100.59.131.462026-07-15 → 2026-07-15 · 4 obs

○ 2026-02-21 11:13:58
● 2026-07-15 16:07:42
○ 2026-07-28 05:41:48
○ 2026-07-28 05:41:50

○A18.207.66.2492026-07-15 → 2026-07-15 · 4 obs

○ 2026-02-21 11:13:58
● 2026-07-15 16:07:42
○ 2026-07-28 05:41:48
○ 2026-07-28 05:41:50

○A206.31.248.442015-05-30 → 2017-05-15 · 4 obs

● 2015-05-30 21:36:16
● 2017-05-15 16:34:12
○ 2026-02-15 05:40:36
○ 2026-07-28 05:41:50

○A3.232.28.22026-07-15 → 2026-07-15 · 4 obs

○ 2026-02-21 11:13:58
● 2026-07-15 16:07:42
○ 2026-07-28 05:41:48
○ 2026-07-28 05:41:50

●A32.197.28.1332026-07-28 → 2026-07-28 · 3 obs

○ 2026-07-15 16:07:42
● 2026-07-28 05:41:48
● 2026-07-28 05:41:50

○A34.195.96.1572026-02-15 → 2026-02-21 · 5 obs

○ 2017-05-15 16:34:12
● 2026-02-15 05:40:36
● 2026-02-21 11:13:58
○ 2026-07-15 16:07:42
○ 2026-07-28 05:41:50

○A34.202.101.12026-02-15 → 2026-07-28 · 2 obs

○ 2026-02-15 05:40:36
○ 2026-07-28 05:41:50

○A34.206.166.282026-02-15 → 2026-02-21 · 5 obs

○ 2017-05-15 16:34:12
● 2026-02-15 05:40:36
● 2026-02-21 11:13:58
○ 2026-07-15 16:07:42
○ 2026-07-28 05:41:50

●A34.238.200.2322026-07-28 → 2026-07-28 · 3 obs

○ 2026-07-15 16:07:42
● 2026-07-28 05:41:48
● 2026-07-28 05:41:50

○A35.168.243.482026-02-15 → 2026-02-15 · 4 obs

○ 2017-05-15 16:34:12
● 2026-02-15 05:40:36
○ 2026-02-21 11:13:58
○ 2026-07-28 05:41:50

○A44.195.253.2362026-02-15 → 2026-07-28 · 2 obs

○ 2026-02-15 05:40:36
○ 2026-07-28 05:41:50

●A52.204.91.1762026-07-28 → 2026-07-28 · 3 obs

○ 2026-07-15 16:07:42
● 2026-07-28 05:41:48
● 2026-07-28 05:41:50

○A54.197.241.2152026-02-21 → 2026-02-21 · 4 obs

○ 2026-02-15 05:40:36
● 2026-02-21 11:13:58
○ 2026-07-15 16:07:42
○ 2026-07-28 05:41:50

○A54.243.81.42026-02-15 → 2026-07-28 · 2 obs

○ 2026-02-15 05:40:36
○ 2026-07-28 05:41:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
masteringenvironmentalscience.com	ns2.pearson.com, ns1.pearson.com	2 records

✅ Authoritative Response

Server:168.146.112.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masteringenvironmentalscience.com (unsigned zone)

⏱️ Timing

Total: 115ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`34.238.200.232, 32.197.28.133...`
NS	3	`dns-emea-1.ptns.pearson.com, dns-apac-1.ptns.pearson.com...`
MX	2	`mail02.pearsoncmg.com (pri: 10), mail03.pearsoncmg.com (pri: 5)`
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

www.masteringenvironmentalscience.com and session.masteringenvironmentalscience.com are both subdomains of masteringenvironmentalscience.com.

IP Addresses

The hostname masteringenvironmentalscience.com resolves to three IP addresses: 32.197.28.133, 34.238.200.232 and 52.204.91.176.

There are other host names — ec2-52-204-91-176.compute-1.amazonaws.com among them — that share IP numbers with masteringenvironmentalscience.com.

Name Servers

masteringenvironmentalscience.com has five name servers, which are ns1.pearson.com, ns2.pearson.com, dns-amer-2.ptns.pearson.com and two others.

masteringenvironmentalscience.com partially shares its NS delegation with several other domains, including vscampus.com, pearsonlongman.us, awl.cn and two others.

These name servers are regularly seen alongside dns-apac-1.ptns.pearson.com and dns-emea-1.ptns.pearson.com as name servers.

Hosts with just one 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

Mail for masteringenvironmentalscience.com is handled by two mail servers — mail02.pearsoncmg.com and mail03.pearsoncmg.com.

masteringenvironmentalscience.com uses an identical mail server configuration to several other domains — among them masteringaandp.com, ppe.pearsoncmg.com, masteringphysics.com and two more.

masteringenvironmentalscience.com has at least partial mail server overlap with other domains such as clardev2.pearsoncmg.com, pearsonmylabandmastering.com, wps.pearsoncmg.com and two more.