`classroomsmart.com`

DNSSEC	⚠️ Not signed
A	50.28.103.82^{🇺🇸 LiquidWeb-AZ50.28.96.0/19 LiquidWeb Inc West}
NS	`ns1.stgeorgedesign.com` ⭐
		A	50.28.107.42^{🇺🇸 LiquidWeb-AZ50.28.96.0/19 LiquidWeb Inc West}
NS	`ns2.stgeorgedesign.com`
		A	50.28.107.43^{🇺🇸 LiquidWeb-AZ50.28.96.0/19 LiquidWeb Inc West}
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4023:c03::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dy-in-f26.1e100.net`
		A	2607:f8b0:4023:c03::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dy-in-f27.1e100.net`
		A	2607:f8b0:4023:c06::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f27.1e100.net`
		A	2607:f8b0:4023:c0d::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dl-in-f26.1e100.net`
		A	74.125.137.26^{🇺🇸 Google74.125.137.0/24}
			PTR	`dy-in-f26.1e100.net`
		A	74.125.137.27^{🇺🇸 Google74.125.137.0/24}
			PTR	`dy-in-f27.1e100.net`
		A	142.250.101.26^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f26.1e100.net`
		A	142.250.101.27^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f27.1e100.net`
		A	142.251.2.27^{🇺🇸 Google142.251.2.0/24}
			PTR	`dl-in-f27.1e100.net`
SOA	`ns1.stgeorgedesign.com`adam@stgeorgedesign.com 2026-02-04 #1

`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=1774531507

Same first word

classroomsmart.com

Similar names

smartclassroom.org

smartclassroom.com

smartclassroom.ci

smartclassroom.net

smartclassroom.vn

DNS History

17 records (4 active, 13 former)

○NSns1.skywirehosting.com2015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 18:53:40
○ 2015-11-12 11:38:52
○ 2026-03-26 13:38:24

●NSns1.stgeorgedesign.com2026-03-03 → 2026-03-26 · 3 obs

○ 2017-10-05 02:07:28
● 2026-03-03 05:51:26
● 2026-03-26 13:38:24

○NSns2.skywirehosting.com2015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 18:53:40
○ 2015-11-12 11:38:52
○ 2026-03-26 13:38:24

●NSns2.stgeorgedesign.com2026-03-03 → 2026-03-26 · 3 obs

○ 2017-10-05 02:07:28
● 2026-03-03 05:51:26
● 2026-03-26 13:38:24

○NSns8453.hostgator.com2015-11-12 → 2017-10-05 · 5 obs

○ 2015-05-18 18:53:40
● 2015-11-12 11:38:52
● 2017-10-05 02:07:28
○ 2026-03-03 05:51:26
○ 2026-03-26 13:38:24

○NSns8454.hostgator.com2015-11-12 → 2017-10-05 · 5 obs

○ 2015-05-18 18:53:40
● 2015-11-12 11:38:52
● 2017-10-05 02:07:28
○ 2026-03-03 05:51:26
○ 2026-03-26 13:38:24

○MXalt1.aspmx.l.google.com2015-05-18 → 2017-10-05 · 4 obs

● 2015-05-18 18:53:40
● 2017-10-05 02:07:28
○ 2026-03-03 05:51:26
○ 2026-03-26 13:38:24

○MXalt2.aspmx.l.google.com2015-05-18 → 2017-10-05 · 4 obs

● 2015-05-18 18:53:40
● 2017-10-05 02:07:28
○ 2026-03-03 05:51:26
○ 2026-03-26 13:38:24

○MXalt3.aspmx.l.google.com2015-11-12 → 2017-10-05 · 5 obs

○ 2015-05-18 18:53:40
● 2015-11-12 11:38:52
● 2017-10-05 02:07:28
○ 2026-03-03 05:51:26
○ 2026-03-26 13:38:24

○MXalt4.aspmx.l.google.com2015-11-12 → 2017-10-05 · 5 obs

○ 2015-05-18 18:53:40
● 2015-11-12 11:38:52
● 2017-10-05 02:07:28
○ 2026-03-03 05:51:26
○ 2026-03-26 13:38:24

○MXaspmx.l.google.com2015-05-18 → 2017-10-05 · 4 obs

● 2015-05-18 18:53:40
● 2017-10-05 02:07:28
○ 2026-03-03 05:51:26
○ 2026-03-26 13:38:24

○MXaspmx2.googlemail.com2015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 18:53:40
○ 2015-11-12 11:38:52
○ 2026-03-26 13:38:24

○MXaspmx3.googlemail.com2015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 18:53:40
○ 2015-11-12 11:38:52
○ 2026-03-26 13:38:24

●MXsmtp.google.com2026-03-03 → 2026-03-26 · 3 obs

○ 2017-10-05 02:07:28
● 2026-03-03 05:51:26
● 2026-03-26 13:38:24

○A208.88.8.752015-05-18 → 2015-05-18 · 3 obs

● 2015-05-18 18:53:40
○ 2015-11-12 11:38:52
○ 2026-03-26 13:38:24

○A216.172.184.962015-11-12 → 2017-10-05 · 5 obs

○ 2015-05-18 18:53:40
● 2015-11-12 11:38:52
● 2017-10-05 02:07:28
○ 2026-03-03 05:51:26
○ 2026-03-26 13:38:24

●A50.28.103.822026-03-03 → 2026-03-26 · 3 obs

○ 2017-10-05 02:07:28
● 2026-03-03 05:51:26
● 2026-03-26 13:38:24

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:50.28.103.82

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classroomsmart.com (unsigned zone)

⏱️ Timing

Total: 422ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.28.103.82`
NS	2	`ns1.stgeorgedesign.com, ns2.stgeorgedesign.com`
MX	1	`smtp.google.com (pri: 1)`
SOA	1	`ns1.stgeorgedesign.com adam.stgeorgedesi`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

classroomsmart.com points to IP number: 50.28.103.82.

Other host names such as gcutsheriff.com, nuemtb.com, stgeorgewindowcleaners.com, quail-studios.com and amssg.net share IPs with classroomsmart.com.

Name Servers

classroomsmart.com is delegated to two name servers: ns1.stgeorgedesign.com and ns2.stgeorgedesign.com.

classroomsmart.com shares the same name server setup as southernutahhalfmarathon.com, outdoorpatiokitchens.com, rockonwallsandfalls.com, skywiretechnologies.com and tristateelectricutility.com.

Host names with a single IP:

ns1.stgeorgedesign.com points to 50.28.107.42.

ns2.stgeorgedesign.com points to 50.28.107.43.

Mail Servers

classroomsmart.com is handled by a single mail server, smtp.google.com.

The mail server setup for classroomsmart.com matches that of other domains, for instance istanbulalerji.com.tr, cycladescapital.com, ajciutadella.org, warmstep.org and vitalspa.com.br.

classroomsmart.com shares at least partially some mail servers with other domains, including shopfishnook.com, ddjmechservices.com, mylcsolution.com, razorvision.net and desertwestsurgery.com.

these mail servers are often used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

The host name smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c03::1a, 2607:f8b0:4023:c03::1b, 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0d::1a, 74.125.137.26, 74.125.137.27, 142.250.101.26, 142.250.101.27 and 142.251.2.27.

classroomsmart.com - robtex.com