`cool-tools.org`

DNSSEC	⚠️ Not signed
A	54.183.218.43^{🇺🇸 Amazon54.183.128.0/17 EC2 SFO Prefix}
		PTR	`ec2-54-183-218-43.us-west-1.compute.amazonaws.com`
NS	`ns-738.awsdns-28.net` ⭐
		A	2600:9000:5302:e200::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-738.awsdns-28.net`
		A	205.251.194.226^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-738.awsdns-28.net`
NS	`ns-1093.awsdns-08.org`
		A	2600:9000:5304:4500::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1093.awsdns-08.org`
		A	205.251.196.69^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1093.awsdns-08.org`
NS	`ns-2018.awsdns-60.co.uk`
		A	2600:9000:5307:e200::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2018.awsdns-60.co.uk`
		A	205.251.199.226^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2018.awsdns-60.co.uk`
NS	`ns-291.awsdns-36.com`
		A	2600:9000:5301:2300::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-291.awsdns-36.com`
		A	205.251.193.35^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-291.awsdns-36.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c06::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dz-in-f26.1e100.net`
		A	142.250.141.26^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:4025:402::1a^{🇳🇱 Google2a00:1450:4025::/48}
			PTR	`rb-in-f26.1e100.net`
		A	142.250.102.26^{🇺🇸 Google142.250.102.0/24}
			PTR	`rb-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2607:f8b0:4023:1015::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f27.1e100.net`
		A	172.253.135.26^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f26.1e100.net`
TXT	`v=spf1 include:em.getrevue.co ~all`
SOA	`ns-738.awsdns-28.net`awsdns-hostmaster@amazon.com serial=1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1778611407

Same first word

cool-tools.org

DNS History

13 records (10 active, 3 former)

●NSns-1093.awsdns-08.org2015-06-20 → 2026-05-12 · 2 obs

● 2015-06-20 07:49:00
● 2026-05-12 19:21:28

●NSns-2018.awsdns-60.co.uk2015-06-20 → 2026-05-12 · 2 obs

● 2015-06-20 07:49:00
● 2026-05-12 19:21:28

●NSns-291.awsdns-36.com2015-06-20 → 2026-05-12 · 2 obs

● 2015-06-20 07:49:00
● 2026-05-12 19:21:28

●NSns-738.awsdns-28.net2015-06-20 → 2026-05-12 · 2 obs

● 2015-06-20 07:49:00
● 2026-05-12 19:21:28

●MXalt1.aspmx.l.google.com2015-06-20 → 2026-05-12 · 2 obs

● 2015-06-20 07:49:00
● 2026-05-12 19:21:28

●MXalt2.aspmx.l.google.com2015-06-20 → 2026-05-12 · 2 obs

● 2015-06-20 07:49:00
● 2026-05-12 19:21:28

●MXaspmx.l.google.com2015-06-20 → 2026-05-12 · 2 obs

● 2015-06-20 07:49:00
● 2026-05-12 19:21:28

●MXaspmx2.googlemail.com2015-06-20 → 2026-05-12 · 2 obs

● 2015-06-20 07:49:00
● 2026-05-12 19:21:28

●MXaspmx3.googlemail.com2015-06-20 → 2026-05-12 · 2 obs

● 2015-06-20 07:49:00
● 2026-05-12 19:21:28

○A184.169.185.872016-01-16 → 2016-04-28 · 5 obs

○ 2015-11-04 22:35:24
● 2016-01-16 17:14:06
● 2016-04-28 03:08:08
○ 2026-03-27 11:05:26
○ 2026-05-12 19:21:28

○A54.176.59.1002015-11-04 → 2015-11-04 · 4 obs

○ 2015-06-20 07:49:00
● 2015-11-04 22:35:24
○ 2016-01-16 17:14:06
○ 2026-05-12 19:21:28

●A54.183.218.432026-03-27 → 2026-05-12 · 3 obs

○ 2016-04-28 03:08:08
● 2026-03-27 11:05:26
● 2026-05-12 19:21:28

○A54.241.27.832015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 07:49:00
○ 2015-11-04 22:35:24
○ 2026-05-12 19:21:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
cool-tools.org	ns-291.awsdns-36.com, ns-738.awsdns-28.net, ns-1093.awsdns-08.org, ns-2018.awsdns-60.co.uk	2 records

✅ Authoritative Response

Server:205.251.199.226

NS records: ns-291.awsdns-36.com, ns-738.awsdns-28.net, ns-1093.awsdns-08.org, ns-2018.awsdns-60.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cool-tools.org (unsigned zone)

⏱️ Timing

Total: 2581ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.183.218.43`
NS	4	`ns-1093.awsdns-08.org, ns-2018.awsdns-60.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	1	`v=spf1 include:em.getrevue.co ~all`
SOA	1	`ns-738.awsdns-28.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1093.awsdns-08.org, ns-1093.awsdns-08.org)

Analysis

IP Addresses

cool-tools.org points to a single IP: 54.183.218.43.

Other host names, for instance kk.org, truefilms.com and ec2-54-183-218-43.us-west-1.compute.amazonaws.com share IP numbers with cool-tools.org.

Name Servers

cool-tools.org's delegation is handled by four name servers: ns-291.awsdns-36.com, ns-738.awsdns-28.net, ns-1093.awsdns-08.org and ns-2018.awsdns-60.co.uk.

Host names with two IPs:

ns-291.awsdns-36.com points to 2600:9000:5301:2300::1 and 205.251.193.35

ns-738.awsdns-28.net points to 2600:9000:5302:e200::1 and 205.251.194.226

ns-1093.awsdns-08.org points to 2600:9000:5304:4500::1 and 205.251.196.69

ns-2018.awsdns-60.co.uk points to 2600:9000:5307:e200::1 and 205.251.199.226

Mail Servers

Five mail servers handle cool-tools.org: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

cool-tools.org shares some mail servers with other domains, at least partially, such as acna.fr, lidernieruchomosci.com, iwalk.pl, grupopharos.org and jmtco.in.