`classroom.lightspeedsystems.app`

DNSSEC	⚠️ Not signed
A	18.239.225.57^{🇺🇸 Amazon18.239.224.0/22}
		PTR	`server-18-239-225-57.mia3.r.cloudfront.net`
A	18.239.225.72^{🇺🇸 Amazon18.239.224.0/22}
A	18.239.225.116^{🇺🇸 Amazon18.239.224.0/22}
A	18.239.225.121^{🇺🇸 Amazon18.239.224.0/22}

`lightspeedsystems.app`

	DNSSEC	⚠️ Not signed
	A	16.144.3.64^{🇺🇸 Amazon16.144.0.0/16}
	A	35.164.153.198^{🇺🇸 Amazon35.160.0.0/13 EC2 PDX prefix}
	A	54.68.17.24^{🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix}
	A	54.68.41.141^{🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix}
	NS	`ns-1517.awsdns-61.org` ⭐
	NS	`ns-1994.awsdns-57.co.uk`
	NS	`ns-372.awsdns-46.com`
	NS	`ns-658.awsdns-18.net`
	TXT	`google-site-verification=Qr_YGqwz0NBC10Q5-tRoj0JFMvZe79gz-nwsOXXBAFE`
	SOA	`ns-1517.awsdns-61.org`awsdns-hostmaster@amazon.com serial=1

📈 Tranco rank: #18,834

Same first word

classroom.kz

classroom.technology

classroom.life

classroom.co

classroom.global

classroom.freetls.fastly.net

classroom.cc

classroom.it.com

classroom.org

classroom.ru

classroom.at

classroom.school

classroom.gov.ng

classroom.management

classroom.be

classroom.ro

classroom.la

classroom.gr

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classroom.solar

classroom.cloud

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classroom.biz

classroom.com

classroom.ws

classroom.name

classroom.au

classroom.solutions

classroom.com.hk

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classroom.ai

classroom.pl

classroom.uk

classroom.education

classroom.es

classroom.ch

classroom.co.com

classroom.de

classroom.lol

classroom.com.ar

classroom.ge

classroom.works

classroom.bg

classroom.global.ssl.fastly.net

classroom.pro

classroom.fund

classroom.community

classroom.network

classroom.rentals

classroom.dk

classroom.cl

classroom.place

classroom.se

classroom.re.kr

classroom.com.au

classroom.nl

classroom.si

classroom.im

classroom.leadpages.co

classroom.coach

classroom.online

Similar names

mssolarco.net

carolmoss.com

losmarcos.com.mx

moscorals.ru

losmarcos.com

masscolor.com

classmoor.com

clasrooms.com

losmarcos.mx

mssolarco.com

DNS History

40 records (4 active, 36 former)

○A13.35.196.1212026-03-30 → 2026-03-30 · 5 obs

○ 2026-03-30 09:11:48
● 2026-03-30 11:02:18
● 2026-03-30 12:24:22
○ 2026-03-30 13:42:22
○ 2026-03-31 03:42:58

○A13.35.196.482026-03-30 → 2026-03-30 · 5 obs

○ 2026-03-30 09:11:48
● 2026-03-30 11:02:18
● 2026-03-30 12:24:22
○ 2026-03-30 13:42:22
○ 2026-03-31 03:42:58

○A13.35.196.622026-03-30 → 2026-03-30 · 5 obs

○ 2026-03-30 09:11:48
● 2026-03-30 11:02:18
● 2026-03-30 12:24:22
○ 2026-03-30 13:42:22
○ 2026-03-31 03:42:58

○A13.35.196.632026-03-30 → 2026-03-30 · 5 obs

○ 2026-03-30 09:11:48
● 2026-03-30 11:02:18
● 2026-03-30 12:24:22
○ 2026-03-30 13:42:22
○ 2026-03-31 03:42:58

○A18.239.183.1202026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 12:38:24
● 2026-03-09 01:15:34
○ 2026-03-09 03:35:14
○ 2026-03-31 03:42:58

○A18.239.183.312026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 12:38:24
● 2026-03-09 01:15:34
○ 2026-03-09 03:35:14
○ 2026-03-31 03:42:58

○A18.239.183.372026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 12:38:24
● 2026-03-09 01:15:34
○ 2026-03-09 03:35:14
○ 2026-03-31 03:42:58

○A18.239.183.982026-03-09 → 2026-03-09 · 4 obs

○ 2026-03-08 12:38:24
● 2026-03-09 01:15:34
○ 2026-03-09 03:35:14
○ 2026-03-31 03:42:58

●A18.239.225.1162026-03-28 → 2026-03-31 · 10 obs

○ 2026-03-28 20:56:00
● 2026-03-28 23:19:34
● 2026-03-29 02:34:44
○ 2026-03-29 04:07:22
○ 2026-03-29 07:26:06
● 2026-03-29 09:27:12
○ 2026-03-29 09:58:52
○ 2026-03-31 01:48:38
● 2026-03-31 03:42:56
● 2026-03-31 03:42:58

●A18.239.225.1212026-03-28 → 2026-03-31 · 10 obs

●A18.239.225.572026-03-28 → 2026-03-31 · 10 obs

●A18.239.225.722026-03-28 → 2026-03-31 · 10 obs

○A18.239.236.1152026-03-05 → 2026-03-30 · 64 obs

○ 2026-03-04 12:21:46
● 2026-03-05 07:35:12
● 2026-03-05 18:29:52
○ 2026-03-05 19:53:38
○ 2026-03-06 03:43:12
● 2026-03-07 01:30:50
● 2026-03-08 12:38:24
○ 2026-03-09 01:15:34
● 2026-03-09 03:35:14
○ 2026-03-09 17:40:16
● 2026-03-09 19:27:38
● 2026-03-11 04:42:18
○ 2026-03-11 10:26:32
● 2026-03-11 14:48:22
○ 2026-03-11 19:09:54
○ 2026-03-11 20:48:22
● 2026-03-12 01:34:06
● 2026-03-12 06:42:46
○ 2026-03-12 20:51:12
○ 2026-03-12 21:52:16
● 2026-03-13 02:19:22
● 2026-03-13 20:35:22
○ 2026-03-14 00:35:14
● 2026-03-14 02:06:48
● 2026-03-14 07:20:58
○ 2026-03-14 11:45:36
○ 2026-03-14 13:10:10
● 2026-03-14 14:32:40
● 2026-03-14 17:06:44
○ 2026-03-14 18:00:32
○ 2026-03-15 01:19:22
● 2026-03-15 02:55:18
○ 2026-03-15 03:58:30
● 2026-03-15 05:29:24
● 2026-03-15 18:39:46
○ 2026-03-15 23:59:16
● 2026-03-16 01:32:24
○ 2026-03-16 09:26:06
○ 2026-03-16 15:44:02
● 2026-03-17 03:55:18
○ 2026-03-17 05:43:20
● 2026-03-17 14:01:30
○ 2026-03-17 19:21:16
● 2026-03-18 01:20:02
○ 2026-03-18 02:22:18
○ 2026-03-18 17:43:30
● 2026-03-18 19:20:46
○ 2026-03-19 00:46:52
○ 2026-03-19 02:06:32
● 2026-03-19 16:16:48
○ 2026-03-19 23:05:30
○ 2026-03-20 21:51:18
● 2026-03-21 02:46:12
○ 2026-03-21 15:20:46
○ 2026-03-23 01:33:02
● 2026-03-23 03:04:56
○ 2026-03-23 09:58:44
○ 2026-03-26 01:34:04
● 2026-03-26 04:14:06
○ 2026-03-26 10:41:52
○ 2026-03-30 06:47:54
● 2026-03-30 08:02:44
○ 2026-03-30 09:11:48
○ 2026-03-31 03:42:58

○A18.239.236.452026-03-05 → 2026-03-30 · 64 obs

○A18.239.236.52026-03-05 → 2026-03-30 · 64 obs

○A18.239.236.92026-03-05 → 2026-03-30 · 64 obs

○A18.245.218.112026-03-06 → 2026-03-31 · 52 obs

○ 2026-03-05 19:53:38
● 2026-03-06 03:43:12
○ 2026-03-07 01:30:50
○ 2026-03-11 14:48:22
● 2026-03-11 19:09:54
● 2026-03-11 20:48:22
○ 2026-03-12 01:34:06
○ 2026-03-16 09:26:06
● 2026-03-16 15:44:02
○ 2026-03-17 03:55:18
● 2026-03-17 05:43:20
○ 2026-03-17 14:01:30
○ 2026-03-18 01:20:02
● 2026-03-18 02:22:18
● 2026-03-18 03:03:44
○ 2026-03-18 17:43:30
○ 2026-03-18 19:20:46
● 2026-03-19 00:46:52
● 2026-03-19 02:06:32
○ 2026-03-19 16:16:48
● 2026-03-19 23:05:30
● 2026-03-20 21:51:18
○ 2026-03-21 02:46:12
● 2026-03-21 15:20:46
○ 2026-03-21 19:36:58
○ 2026-03-22 03:37:18
● 2026-03-22 05:30:16
● 2026-03-23 01:33:02
○ 2026-03-23 03:04:56
● 2026-03-23 09:58:44
● 2026-03-26 01:34:04
○ 2026-03-26 04:14:06
● 2026-03-26 10:41:52
● 2026-03-27 12:41:14
○ 2026-03-27 19:51:00
● 2026-03-28 20:56:00
○ 2026-03-28 23:19:34
○ 2026-03-29 02:34:44
● 2026-03-29 04:07:22
● 2026-03-29 07:26:06
○ 2026-03-29 09:27:12
○ 2026-03-29 09:58:52
● 2026-03-29 14:47:08
● 2026-03-30 01:42:14
○ 2026-03-30 02:17:48
● 2026-03-30 02:54:38
○ 2026-03-30 05:16:36
○ 2026-03-30 13:42:22
● 2026-03-30 18:47:34
● 2026-03-31 01:48:38
○ 2026-03-31 03:42:56
○ 2026-03-31 03:42:58

○A18.245.218.192026-03-06 → 2026-03-31 · 52 obs

○A18.245.218.272026-03-06 → 2026-03-31 · 52 obs

○A18.245.218.852026-03-06 → 2026-03-31 · 52 obs

○A3.163.125.162026-03-05 → 2026-03-22 · 29 obs

○ 2026-03-05 18:29:52
● 2026-03-05 19:53:38
○ 2026-03-06 03:43:12
○ 2026-03-09 03:35:14
● 2026-03-09 17:40:16
○ 2026-03-09 19:27:38
○ 2026-03-11 04:42:18
● 2026-03-11 10:26:32
○ 2026-03-11 14:48:22
○ 2026-03-13 20:35:22
● 2026-03-14 00:35:14
○ 2026-03-14 02:06:48
○ 2026-03-15 02:55:18
● 2026-03-15 03:58:30
○ 2026-03-15 05:29:24
○ 2026-03-15 18:39:46
● 2026-03-15 23:59:16
○ 2026-03-16 01:32:24
○ 2026-03-17 14:01:30
● 2026-03-17 19:21:16
○ 2026-03-18 01:20:02
○ 2026-03-18 03:03:44
● 2026-03-18 17:43:30
○ 2026-03-18 19:20:46
○ 2026-03-21 15:20:46
● 2026-03-21 19:36:58
● 2026-03-22 03:37:18
○ 2026-03-22 05:30:16
○ 2026-03-31 03:42:58

○A3.163.125.272026-03-05 → 2026-03-22 · 29 obs

○A3.163.125.522026-03-05 → 2026-03-22 · 29 obs

○A3.163.125.612026-03-05 → 2026-03-22 · 29 obs

○A3.170.42.1052026-02-27 → 2026-03-30 · 21 obs

● 2026-02-27 21:12:24
● 2026-03-04 12:21:46
○ 2026-03-05 07:35:12
○ 2026-03-12 06:42:46
● 2026-03-12 20:51:12
● 2026-03-12 21:52:16
○ 2026-03-13 02:19:22
○ 2026-03-14 17:06:44
● 2026-03-14 18:00:32
● 2026-03-15 01:19:22
○ 2026-03-15 02:55:18
○ 2026-03-16 01:32:24
● 2026-03-16 09:26:06
○ 2026-03-16 15:44:02
○ 2026-03-27 12:41:14
● 2026-03-27 19:51:00
○ 2026-03-28 20:56:00
○ 2026-03-30 12:24:22
● 2026-03-30 13:42:22
○ 2026-03-30 18:47:34
○ 2026-03-31 03:42:58

○A3.170.42.202026-02-27 → 2026-03-30 · 21 obs

○A3.170.42.322026-02-27 → 2026-03-30 · 21 obs

○A3.170.42.382026-02-27 → 2026-03-30 · 21 obs

○A52.85.31.1052026-03-29 → 2026-03-30 · 7 obs

○ 2026-03-29 09:27:12
● 2026-03-29 09:58:52
○ 2026-03-29 14:47:08
○ 2026-03-30 01:42:14
● 2026-03-30 02:17:48
○ 2026-03-30 02:54:38
○ 2026-03-31 03:42:58

○A52.85.31.122026-03-29 → 2026-03-30 · 7 obs

○ 2026-03-29 09:27:12
● 2026-03-29 09:58:52
○ 2026-03-29 14:47:08
○ 2026-03-30 01:42:14
● 2026-03-30 02:17:48
○ 2026-03-30 02:54:38
○ 2026-03-31 03:42:58

○A52.85.31.362026-03-29 → 2026-03-30 · 7 obs

○ 2026-03-29 09:27:12
● 2026-03-29 09:58:52
○ 2026-03-29 14:47:08
○ 2026-03-30 01:42:14
● 2026-03-30 02:17:48
○ 2026-03-30 02:54:38
○ 2026-03-31 03:42:58

○A52.85.31.532026-03-29 → 2026-03-30 · 7 obs

○ 2026-03-29 09:27:12
● 2026-03-29 09:58:52
○ 2026-03-29 14:47:08
○ 2026-03-30 01:42:14
● 2026-03-30 02:17:48
○ 2026-03-30 02:54:38
○ 2026-03-31 03:42:58

○A54.230.253.1212026-03-30 → 2026-03-30 · 7 obs

○ 2026-03-30 02:54:38
● 2026-03-30 05:16:36
● 2026-03-30 06:47:54
○ 2026-03-30 08:02:44
● 2026-03-30 09:11:48
○ 2026-03-30 11:02:18
○ 2026-03-31 03:42:58

○A54.230.253.432026-03-30 → 2026-03-30 · 7 obs

○ 2026-03-30 02:54:38
● 2026-03-30 05:16:36
● 2026-03-30 06:47:54
○ 2026-03-30 08:02:44
● 2026-03-30 09:11:48
○ 2026-03-30 11:02:18
○ 2026-03-31 03:42:58

○A54.230.253.72026-03-30 → 2026-03-30 · 7 obs

○ 2026-03-30 02:54:38
● 2026-03-30 05:16:36
● 2026-03-30 06:47:54
○ 2026-03-30 08:02:44
● 2026-03-30 09:11:48
○ 2026-03-30 11:02:18
○ 2026-03-31 03:42:58

○A54.230.253.752026-03-30 → 2026-03-30 · 7 obs

○ 2026-03-30 02:54:38
● 2026-03-30 05:16:36
● 2026-03-30 06:47:54
○ 2026-03-30 08:02:44
● 2026-03-30 09:11:48
○ 2026-03-30 11:02:18
○ 2026-03-31 03:42:58

○A99.84.41.1082026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-14 07:20:58
● 2026-03-14 11:45:36
● 2026-03-14 13:10:10
○ 2026-03-14 14:32:40
○ 2026-03-31 03:42:58

○A99.84.41.242026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-14 07:20:58
● 2026-03-14 11:45:36
● 2026-03-14 13:10:10
○ 2026-03-14 14:32:40
○ 2026-03-31 03:42:58

○A99.84.41.392026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-14 07:20:58
● 2026-03-14 11:45:36
● 2026-03-14 13:10:10
○ 2026-03-14 14:32:40
○ 2026-03-31 03:42:58

○A99.84.41.642026-03-14 → 2026-03-14 · 5 obs

○ 2026-03-14 07:20:58
● 2026-03-14 11:45:36
● 2026-03-14 13:10:10
○ 2026-03-14 14:32:40
○ 2026-03-31 03:42:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
lightspeedsystems.app	ns-372.awsdns-46.com, ns-1994.awsdns-57.co.uk, ns-1517.awsdns-61.org, ns-658.awsdns-18.net	-

✅ Authoritative Response

Server:205.251.199.202

NS records: ns-372.awsdns-46.com, ns-1994.awsdns-57.co.uk, ns-1517.awsdns-61.org, ns-658.awsdns-18.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lightspeedsystems.app (unsigned zone)

⏱️ Timing

Total: 362ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.239.225.72, 18.239.225.57...`

Analysis

IP Addresses

classroom.lightspeedsystems.app points to four IP numbers: 18.239.225.57, 18.239.225.72, 18.239.225.116 and 18.239.225.121.

Other host names including dyd60s7frgtu0.cloudfront.net, d2iw0t5e34mqqx.cloudfront.net, dnupmr4cqn6kq.cloudfront.net, health-enrollment.com and tss.io share IP numbers with classroom.lightspeedsystems.app.

classroom.lightspeedsystems.app - robtex.com