coolschooltool.com - dns.ninja

`coolschooltool.com`

DNSSEC	⚠️ Not signed
A	54.230.21.8^{🇺🇸 Amazon54.230.20.0/22 CF}
		PTR	`server-54-230-21-8.iad55.r.cloudfront.net`
A	54.230.21.111^{🇺🇸 Amazon54.230.20.0/22 CF}
A	54.230.21.155^{🇺🇸 Amazon54.230.20.0/22 CF}
A	54.230.21.170^{🇺🇸 Amazon54.230.20.0/22 CF}
NS	`ns-1699.awsdns-20.co.uk` ⭐
		A	2600:9000:5306:a300::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1699.awsdns-20.co.uk`
		A	205.251.198.163^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1699.awsdns-20.co.uk`
NS	`ns-1013.awsdns-62.net`
		A	2600:9000:5303:f500::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-1013.awsdns-62.net`
		A	205.251.195.245^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-1013.awsdns-62.net`
NS	`ns-1251.awsdns-28.org`
		A	2600:9000:5304:e300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1251.awsdns-28.org`
		A	205.251.196.227^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1251.awsdns-28.org`
NS	`ns-22.awsdns-02.com`
		A	2600:9000:5300:1600::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-22.awsdns-02.com`
		A	205.251.192.22^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-22.awsdns-02.com`
SOA	`ns-1699.awsdns-20.co.uk`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=1785951409

Subdomains

www.coolschooltool.com

Same first word

coolschooltool.com

DNS History

38 records (8 active, 30 former)

○NSdns01.unipac.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 12:19:12
○ 2015-06-06 00:00:30
○ 2026-08-05 17:57:42

●NSns-1013.awsdns-62.net2026-02-19 → 2026-08-05 · 3 obs

○ 2015-06-06 00:00:30
● 2026-02-19 10:00:34
● 2026-08-05 17:57:42

●NSns-1251.awsdns-28.org2026-02-19 → 2026-08-05 · 3 obs

○ 2015-06-06 00:00:30
● 2026-02-19 10:00:34
● 2026-08-05 17:57:42

●NSns-1699.awsdns-20.co.uk2026-02-19 → 2026-08-05 · 3 obs

○ 2015-06-06 00:00:30
● 2026-02-19 10:00:34
● 2026-08-05 17:57:42

●NSns-22.awsdns-02.com2026-02-19 → 2026-08-05 · 3 obs

○ 2015-06-06 00:00:30
● 2026-02-19 10:00:34
● 2026-08-05 17:57:42

○NSns2.nelnet.net2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 12:19:12
○ 2015-06-06 00:00:30
○ 2026-08-05 17:57:42

○A13.225.145.2002026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-25 02:11:02
● 2026-06-25 18:07:54
○ 2026-08-04 20:16:22
○ 2026-08-05 17:57:42

○A13.225.145.262026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-25 02:11:02
● 2026-06-25 18:07:54
○ 2026-08-04 20:16:22
○ 2026-08-05 17:57:42

○A13.225.145.412026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-25 02:11:02
● 2026-06-25 18:07:54
○ 2026-08-04 20:16:22
○ 2026-08-05 17:57:42

○A13.225.145.872026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-25 02:11:02
● 2026-06-25 18:07:54
○ 2026-08-04 20:16:22
○ 2026-08-05 17:57:42

○A13.226.103.102026-04-04 → 2026-04-05 · 5 obs

○ 2026-03-24 21:40:50
● 2026-04-04 22:58:22
● 2026-04-05 19:22:30
○ 2026-04-07 14:07:26
○ 2026-08-05 17:57:42

○A13.226.103.1882026-04-04 → 2026-04-05 · 5 obs

○ 2026-03-24 21:40:50
● 2026-04-04 22:58:22
● 2026-04-05 19:22:30
○ 2026-04-07 14:07:26
○ 2026-08-05 17:57:42

○A13.226.103.2222026-04-04 → 2026-04-05 · 5 obs

○ 2026-03-24 21:40:50
● 2026-04-04 22:58:22
● 2026-04-05 19:22:30
○ 2026-04-07 14:07:26
○ 2026-08-05 17:57:42

○A13.226.103.502026-04-04 → 2026-04-05 · 5 obs

○ 2026-03-24 21:40:50
● 2026-04-04 22:58:22
● 2026-04-05 19:22:30
○ 2026-04-07 14:07:26
○ 2026-08-05 17:57:42

○A13.249.185.1542026-02-24 → 2026-03-11 · 5 obs

○ 2026-02-19 10:00:34
● 2026-02-24 18:14:22
● 2026-03-11 15:14:58
○ 2026-03-22 18:32:34
○ 2026-08-05 17:57:42

○A13.249.185.2082026-02-24 → 2026-03-11 · 5 obs

○ 2026-02-19 10:00:34
● 2026-02-24 18:14:22
● 2026-03-11 15:14:58
○ 2026-03-22 18:32:34
○ 2026-08-05 17:57:42

○A13.249.185.52026-02-24 → 2026-03-11 · 5 obs

○ 2026-02-19 10:00:34
● 2026-02-24 18:14:22
● 2026-03-11 15:14:58
○ 2026-03-22 18:32:34
○ 2026-08-05 17:57:42

○A13.249.185.782026-02-24 → 2026-03-11 · 5 obs

○ 2026-02-19 10:00:34
● 2026-02-24 18:14:22
● 2026-03-11 15:14:58
○ 2026-03-22 18:32:34
○ 2026-08-05 17:57:42

○A13.33.102.1922026-05-10 → 2026-05-14 · 5 obs

○ 2026-05-09 11:12:12
● 2026-05-10 09:09:08
● 2026-05-14 08:58:04
○ 2026-06-19 16:56:30
○ 2026-08-05 17:57:42

○A13.33.102.2112026-05-10 → 2026-05-14 · 5 obs

○ 2026-05-09 11:12:12
● 2026-05-10 09:09:08
● 2026-05-14 08:58:04
○ 2026-06-19 16:56:30
○ 2026-08-05 17:57:42

○A13.33.102.352026-05-10 → 2026-05-14 · 5 obs

○ 2026-05-09 11:12:12
● 2026-05-10 09:09:08
● 2026-05-14 08:58:04
○ 2026-06-19 16:56:30
○ 2026-08-05 17:57:42

○A13.33.102.682026-05-10 → 2026-05-14 · 5 obs

○ 2026-05-09 11:12:12
● 2026-05-10 09:09:08
● 2026-05-14 08:58:04
○ 2026-06-19 16:56:30
○ 2026-08-05 17:57:42

○A13.33.74.1282026-04-21 → 2026-05-09 · 5 obs

○ 2026-04-15 05:13:48
● 2026-04-21 11:29:24
● 2026-05-09 11:12:12
○ 2026-05-10 09:09:08
○ 2026-08-05 17:57:42

○A13.33.74.352026-04-21 → 2026-05-09 · 5 obs

○ 2026-04-15 05:13:48
● 2026-04-21 11:29:24
● 2026-05-09 11:12:12
○ 2026-05-10 09:09:08
○ 2026-08-05 17:57:42

○A13.33.74.452026-04-21 → 2026-05-09 · 5 obs

○ 2026-04-15 05:13:48
● 2026-04-21 11:29:24
● 2026-05-09 11:12:12
○ 2026-05-10 09:09:08
○ 2026-08-05 17:57:42

○A13.33.74.732026-04-21 → 2026-05-09 · 5 obs

○ 2026-04-15 05:13:48
● 2026-04-21 11:29:24
● 2026-05-09 11:12:12
○ 2026-05-10 09:09:08
○ 2026-08-05 17:57:42

○A18.244.183.182026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-19 16:56:30
● 2026-06-25 02:11:02
○ 2026-06-25 18:07:54
○ 2026-08-05 17:57:42

○A18.244.183.52026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-19 16:56:30
● 2026-06-25 02:11:02
○ 2026-06-25 18:07:54
○ 2026-08-05 17:57:42

○A18.244.183.552026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-19 16:56:30
● 2026-06-25 02:11:02
○ 2026-06-25 18:07:54
○ 2026-08-05 17:57:42

○A18.244.183.722026-06-25 → 2026-06-25 · 4 obs

○ 2026-06-19 16:56:30
● 2026-06-25 02:11:02
○ 2026-06-25 18:07:54
○ 2026-08-05 17:57:42

○A54.230.18.1922026-04-12 → 2026-04-15 · 5 obs

○ 2026-04-07 14:07:26
● 2026-04-12 05:31:24
● 2026-04-15 05:13:48
○ 2026-04-21 11:29:24
○ 2026-08-05 17:57:42

○A54.230.18.2042026-04-12 → 2026-04-15 · 5 obs

○ 2026-04-07 14:07:26
● 2026-04-12 05:31:24
● 2026-04-15 05:13:48
○ 2026-04-21 11:29:24
○ 2026-08-05 17:57:42

○A54.230.18.412026-04-12 → 2026-04-15 · 5 obs

○ 2026-04-07 14:07:26
● 2026-04-12 05:31:24
● 2026-04-15 05:13:48
○ 2026-04-21 11:29:24
○ 2026-08-05 17:57:42

○A54.230.18.952026-04-12 → 2026-04-15 · 5 obs

○ 2026-04-07 14:07:26
● 2026-04-12 05:31:24
● 2026-04-15 05:13:48
○ 2026-04-21 11:29:24
○ 2026-08-05 17:57:42

●A54.230.21.1112026-02-19 → 2026-08-05 · 14 obs

● 2026-02-19 10:00:34
○ 2026-02-24 18:14:22
○ 2026-03-11 15:14:58
● 2026-03-22 18:32:34
● 2026-03-24 21:40:50
○ 2026-04-04 22:58:22
○ 2026-04-05 19:22:30
● 2026-04-07 14:07:26
○ 2026-04-12 05:31:24
○ 2026-05-14 08:58:04
● 2026-06-19 16:56:30
○ 2026-06-25 02:11:02
● 2026-08-04 20:16:22
● 2026-08-05 17:57:42

●A54.230.21.1552026-02-19 → 2026-08-05 · 14 obs

●A54.230.21.1702026-02-19 → 2026-08-05 · 14 obs

●A54.230.21.82026-02-19 → 2026-08-05 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net...	-
coolschooltool.com	ns-22.awsdns-02.com, ns-1013.awsdns-62.net, ns-1699.awsdns-20.co.uk, ns-1251.awsdns-28.org	2 records

✅ Authoritative Response

Server:205.251.198.163

NS records: ns-22.awsdns-02.com, ns-1013.awsdns-62.net, ns-1699.awsdns-20.co.uk, ns-1251.awsdns-28.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolschooltool.com (unsigned zone)

⏱️ Timing

Total: 1273ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`54.230.21.111, 54.230.21.8...`
NS	4	`ns-1013.awsdns-62.net, ns-1251.awsdns-28.org...`
SOA	1	`ns-1699.awsdns-20.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-22.awsdns-02.com, ns-22.awsdns-02.com)

Analysis

Hierarchy

www.coolschooltool.com is a subdomain of coolschooltool.com.

IP Addresses

coolschooltool.com points to the four IP addresses 54.230.21.8, 54.230.21.111, 54.230.21.155 and 54.230.21.170.

Two other host names, along with d293feum2rxfl5.cloudfront.net, server-54-230-21-111.iad55.r.cloudfront.net and d1i0kec7rwhor.cloudfront.net, also share IP numbers with coolschooltool.com.

Name Servers

The NS records for coolschooltool.com point to four name servers: ns-22.awsdns-02.com, ns-1013.awsdns-62.net, ns-1251.awsdns-28.org and ns-1699.awsdns-20.co.uk.

The name servers of coolschooltool.com overlap at least partially with those of other domains — among them divomusic.in, raycomcamelliabowl.com, myair-dev.dht.live and two more.

Each of the four hosts ns-22.awsdns-02.com, ns-1013.awsdns-62.net, ns-1251.awsdns-28.org and ns-1699.awsdns-20.co.uk has two IP addresses. ns-22.awsdns-02.com points to 205.251.192.22 and 2600:9000:5300:1600::1. ns-1013.awsdns-62.net points to 205.251.195.245 and 2600:9000:5303:f500::1. ns-1251.awsdns-28.org points to 205.251.196.227 and 2600:9000:5304:e300::1. ns-1699.awsdns-20.co.uk points to 205.251.198.163 and 2600:9000:5306:a300::1.