`mobileclassroom.com`

DNSSEC	⚠️ Not signed
A	34.246.144.185^{🇮🇪 Amazon34.240.0.0/13 EC2 DUB prefix}
		PTR	`ec2-34-246-144-185.eu-west-1.compute.amazonaws.com`
A	52.51.131.59^{🇮🇪 Amazon52.48.0.0/14 EC2 DUB prefix}
A	63.35.23.131^{🇮🇪 Amazon63.32.0.0/14 EC2 DUB 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`
TXT	`v=spf1 -all`
SOA	`dns-amer-2.ptns.pearson.com`gns-dnsoperations@pearson.com serial=46

`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=1777182256

Same first word

mobileclassroom.com.ng

mobileclassroom.com

DNS History

14 records (8 active, 6 former)

●NSdns-amer-2.ptns.pearson.com2026-02-27 → 2026-04-26 · 3 obs

○ 2019-02-26 01:33:54
● 2026-02-27 07:52:00
● 2026-04-26 05:49:42

●NSdns-apac-1.ptns.pearson.com2026-02-27 → 2026-04-26 · 3 obs

○ 2019-02-26 01:33:54
● 2026-02-27 07:52:00
● 2026-04-26 05:49:42

●NSdns-emea-1.ptns.pearson.com2026-02-27 → 2026-04-26 · 3 obs

○ 2019-02-26 01:33:54
● 2026-02-27 07:52:00
● 2026-04-26 05:49:42

○NSdns1.cscdns.net2015-06-14 → 2019-02-26 · 5 obs

○ 2007-11-06 11:42:10
● 2015-06-14 20:41:10
● 2019-02-26 01:33:54
○ 2026-02-27 07:52:00
○ 2026-04-26 05:49:42

○NSdns2.cscdns.net2015-06-14 → 2019-02-26 · 5 obs

○ 2007-11-06 11:42:10
● 2015-06-14 20:41:10
● 2019-02-26 01:33:54
○ 2026-02-27 07:52:00
○ 2026-04-26 05:49:42

○NSns.buydomains.com2007-11-06 → 2007-11-06 · 3 obs

● 2007-11-06 11:42:10
○ 2015-06-14 20:41:10
○ 2026-04-26 05:49:42

●NSns1.pearson.com2026-02-27 → 2026-04-26 · 3 obs

○ 2019-02-26 01:33:54
● 2026-02-27 07:52:00
● 2026-04-26 05:49:42

●NSns2.pearson.com2026-02-27 → 2026-04-26 · 3 obs

○ 2019-02-26 01:33:54
● 2026-02-27 07:52:00
● 2026-04-26 05:49:42

○NSthis-domain-for-sale.com2007-11-06 → 2007-11-06 · 3 obs

● 2007-11-06 11:42:10
○ 2015-06-14 20:41:10
○ 2026-04-26 05:49:42

○MXdev.null2007-11-06 → 2007-11-06 · 3 obs

● 2007-11-06 11:42:10
○ 2015-06-14 20:41:10
○ 2026-04-26 05:49:42

○A208.254.3.1662007-11-06 → 2007-11-06 · 3 obs

● 2007-11-06 11:42:10
○ 2015-06-14 20:41:10
○ 2026-04-26 05:49:42

●A34.246.144.1852026-02-27 → 2026-04-26 · 3 obs

○ 2015-06-14 20:41:10
● 2026-02-27 07:52:00
● 2026-04-26 05:49:42

●A52.51.131.592026-02-27 → 2026-04-26 · 3 obs

○ 2015-06-14 20:41:10
● 2026-02-27 07:52:00
● 2026-04-26 05:49:42

●A63.35.23.1312026-02-27 → 2026-04-26 · 3 obs

○ 2015-06-14 20:41:10
● 2026-02-27 07:52:00
● 2026-04-26 05:49:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mobileclassroom.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 mobileclassroom.com (unsigned zone)

⏱️ Timing

Total: 154ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`34.246.144.185, 52.51.131.59...`
NS	3	`dns-emea-1.ptns.pearson.com, dns-amer-2.ptns.pearson.com...`
TXT	1	`v=spf1 -all`
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

IP Addresses

Three IP numbers for mobileclassroom.com are 34.246.144.185, 52.51.131.59 and 63.35.23.131.

Other host names, for instance pearsonelt-etext.com, glue.pearson.com, learningassessments.com, gotothemat.com and mymasscommlab.com share IP numbers with mobileclassroom.com.

Name Servers

mobileclassroom.com 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.

mobileclassroom.com at least partially shares its name servers with other domains, for instance education.pearsonassessments.com, pearsonassessments.ca, edexcel.in, gradpoint.net and masteringenvironmentalscience.info.

Host names with one 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.

mobileclassroom.com - robtex.com