`keystotheclassroom.com`

DNSSEC	⚠️ Not signed
A	54.82.163.189^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
		PTR	`ec2-54-82-163-189.compute-1.amazonaws.com`
A	100.63.17.224^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
NS	`ns-1151.awsdns-15.org` ⭐
		A	2600:9000:5304:7f00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1151.awsdns-15.org`
		A	205.251.196.127^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1151.awsdns-15.org`
NS	`ns-1585.awsdns-06.co.uk`
		A	2600:9000:5306:3100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1585.awsdns-06.co.uk`
		A	205.251.198.49^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1585.awsdns-06.co.uk`
NS	`ns-250.awsdns-31.com`
		A	2600:9000:5300:fa00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-250.awsdns-31.com`
		A	205.251.192.250^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-250.awsdns-31.com`
NS	`ns-739.awsdns-28.net`
		A	2600:9000:5302:e300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-739.awsdns-28.net`
		A	205.251.194.227^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-739.awsdns-28.net`
SOA	`ns-1151.awsdns-15.org`awsdns-hostmaster@amazon.com serial=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=1786740489

Same first word

keystotheclassroom.com

DNS History

10 records (6 active, 4 former)

●NSns-1151.awsdns-15.org2026-04-03 → 2026-08-14 · 2 obs

● 2026-04-03 01:33:02
● 2026-08-14 21:19:04

●NSns-1585.awsdns-06.co.uk2026-04-03 → 2026-08-14 · 2 obs

● 2026-04-03 01:33:02
● 2026-08-14 21:19:04

●NSns-250.awsdns-31.com2026-04-03 → 2026-08-14 · 2 obs

● 2026-04-03 01:33:02
● 2026-08-14 21:19:04

●NSns-739.awsdns-28.net2026-04-03 → 2026-08-14 · 2 obs

● 2026-04-03 01:33:02
● 2026-08-14 21:19:04

○A100.49.251.402026-04-03 → 2026-04-03 · 3 obs

● 2026-04-03 01:33:02
○ 2026-07-08 02:13:22
○ 2026-08-14 21:19:04

●A100.63.17.2242026-08-14 → 2026-08-14 · 3 obs

○ 2026-07-08 02:13:22
● 2026-08-14 01:46:16
● 2026-08-14 21:19:04

○A32.193.42.582026-04-03 → 2026-04-03 · 3 obs

● 2026-04-03 01:33:02
○ 2026-07-08 02:13:22
○ 2026-08-14 21:19:04

○A52.73.252.1492026-07-08 → 2026-07-08 · 4 obs

○ 2026-04-03 01:33:02
● 2026-07-08 02:13:22
○ 2026-08-14 01:46:16
○ 2026-08-14 21:19:04

○A54.164.194.1562026-07-08 → 2026-07-08 · 4 obs

○ 2026-04-03 01:33:02
● 2026-07-08 02:13:22
○ 2026-08-14 01:46:16
○ 2026-08-14 21:19:04

●A54.82.163.1892026-08-14 → 2026-08-14 · 3 obs

○ 2026-07-08 02:13:22
● 2026-08-14 01:46:16
● 2026-08-14 21:19:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
keystotheclassroom.com	ns-250.awsdns-31.com, ns-739.awsdns-28.net, ns-1585.awsdns-06.co.uk, ns-1151.awsdns-15.org	2 records

✅ Authoritative Response

Server:205.251.194.227

NS records: ns-250.awsdns-31.com, ns-739.awsdns-28.net, ns-1585.awsdns-06.co.uk, ns-1151.awsdns-15.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keystotheclassroom.com (unsigned zone)

⏱️ Timing

Total: 453ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.82.163.189, 100.63.17.224`
NS	4	`ns-1151.awsdns-15.org, ns-1585.awsdns-06.co.uk...`
SOA	1	`ns-1151.awsdns-15.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-250.awsdns-31.com, ns-250.awsdns-31.com)

Analysis

IP Addresses

keystotheclassroom.com points to the IP addresses 54.82.163.189 and 100.63.17.224

Other host names, among them remilon.com and study.org, have IP numbers in common with keystotheclassroom.com.

Name Servers

keystotheclassroom.com has four authoritative name servers: ns-250.awsdns-31.com, ns-739.awsdns-28.net, ns-1151.awsdns-15.org and ns-1585.awsdns-06.co.uk.

At least some of keystotheclassroom.com's name servers are shared with other domains, for example stsn.net, kacloudtech.com, certific-health.com and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-250.awsdns-31.com directs to 205.251.192.250 and 2600:9000:5300:fa00::1; ns-739.awsdns-28.net directs to 205.251.194.227 and 2600:9000:5302:e300::1; ns-1151.awsdns-15.org directs to 205.251.196.127 and 2600:9000:5304:7f00::1; ns-1585.awsdns-06.co.uk directs to 205.251.198.49 and 2600:9000:5306:3100::1.

keystotheclassroom.com - robtex.com