`koocutools.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:2f3b^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:90dd^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.47.59^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.144.221^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b39^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c139^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2139^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alan.ns.cloudflare.com`
		A	108.162.193.57^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
		A	172.64.33.57^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
		A	173.245.59.57^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
NS	`bethany.ns.cloudflare.com`
		A	2606:4700:50::a29f:261f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bethany.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c21f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bethany.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:221f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bethany.ns.cloudflare.com`
		A	108.162.194.31^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bethany.ns.cloudflare.com`
		A	162.159.38.31^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bethany.ns.cloudflare.com`
		A	172.64.34.31^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bethany.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.47.59, 172.67.144.221
		IPv6 hints	2606:4700:3032::6815:2f3b, 2606:4700:3034::ac43:90dd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=184, name=cloudflare-ech.com
SOA	`alan.ns.cloudflare.com`dns@cloudflare.com serial=2408817604

`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=1784275112

Same first word

koocutools.com

Similar names

csooutlook.com

DNS History

18 records (6 active, 12 former)

●NSalan.ns.cloudflare.com2026-06-30 → 2026-07-17 · 3 obs

○ 2017-08-31 09:32:58
● 2026-06-30 03:45:26
● 2026-07-17 08:21:40

●NSbethany.ns.cloudflare.com2026-06-30 → 2026-07-17 · 3 obs

○ 2017-08-31 09:32:58
● 2026-06-30 03:45:26
● 2026-07-17 08:21:40

○NSjuming.dnsdun.com2016-12-01 → 2016-12-01 · 4 obs

○ 2016-01-03 03:30:54
● 2016-12-01 16:37:10
○ 2017-08-31 09:32:58
○ 2026-07-17 08:21:40

○NSjuming.dnsdun.net2016-12-01 → 2016-12-01 · 4 obs

○ 2016-01-03 03:30:54
● 2016-12-01 16:37:10
○ 2017-08-31 09:32:58
○ 2026-07-17 08:21:40

○NSns53.domaincontrol.com2015-08-03 → 2015-08-03 · 3 obs

● 2015-08-03 06:28:48
○ 2016-01-03 03:30:54
○ 2026-07-17 08:21:40

○NSns54.domaincontrol.com2015-08-03 → 2015-08-03 · 3 obs

● 2015-08-03 06:28:48
○ 2016-01-03 03:30:54
○ 2026-07-17 08:21:40

○MXmailstore1.secureserver.net2015-08-03 → 2015-08-03 · 3 obs

● 2015-08-03 06:28:48
○ 2016-01-03 03:30:54
○ 2026-07-17 08:21:40

○MXsmtp.secureserver.net2015-08-03 → 2015-08-03 · 3 obs

● 2015-08-03 06:28:48
○ 2016-01-03 03:30:54
○ 2026-07-17 08:21:40

●A104.21.47.592026-07-17 → 2026-07-17 · 3 obs

○ 2026-06-30 03:45:26
● 2026-07-17 08:21:38
● 2026-07-17 08:21:40

○A172.106.205.762016-12-01 → 2016-12-01 · 4 obs

○ 2016-01-03 03:30:54
● 2016-12-01 16:37:10
○ 2017-08-31 09:32:58
○ 2026-07-17 08:21:40

●A172.67.144.2212026-07-17 → 2026-07-17 · 3 obs

○ 2026-06-30 03:45:26
● 2026-07-17 08:21:38
● 2026-07-17 08:21:40

○A184.168.221.762015-08-03 → 2015-08-03 · 3 obs

● 2015-08-03 06:28:48
○ 2016-01-03 03:30:54
○ 2026-07-17 08:21:40

○A188.114.96.02026-06-30 → 2026-06-30 · 4 obs

○ 2017-08-31 09:32:58
● 2026-06-30 03:45:26
○ 2026-07-17 08:21:38
○ 2026-07-17 08:21:40

○A188.114.97.02026-06-30 → 2026-06-30 · 4 obs

○ 2017-08-31 09:32:58
● 2026-06-30 03:45:26
○ 2026-07-17 08:21:38
○ 2026-07-17 08:21:40

●A2606:4700:3032::6815:2f3b2026-07-17 → 2026-07-17 · 3 obs

○ 2026-06-30 03:45:26
● 2026-07-17 08:21:38
● 2026-07-17 08:21:40

●A2606:4700:3034::ac43:90dd2026-07-17 → 2026-07-17 · 3 obs

○ 2026-06-30 03:45:26
● 2026-07-17 08:21:38
● 2026-07-17 08:21:40

○A2a06:98c1:3120::2026-06-30 → 2026-06-30 · 4 obs

○ 2017-08-31 09:32:58
● 2026-06-30 03:45:26
○ 2026-07-17 08:21:38
○ 2026-07-17 08:21:40

○A2a06:98c1:3121::2026-06-30 → 2026-06-30 · 4 obs

○ 2017-08-31 09:32:58
● 2026-06-30 03:45:26
○ 2026-07-17 08:21:38
○ 2026-07-17 08:21:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net...	-
koocutools.com	alan.ns.cloudflare.com, bethany.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.57

NS records: alan.ns.cloudflare.com, bethany.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koocutools.com (unsigned zone)

⏱️ Timing

Total: 119ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.47.59, 172.67.144.221`
AAAA	2	`2606:4700:3034::ac43:90dd, 2606:4700:3032::6815:2f3b`
NS	2	`alan.ns.cloudflare.com, bethany.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alan.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (alan.ns.cloudflare.com, alan.ns.cloudflare.com, alan.ns.cloudflare.com...)

Analysis

IP Addresses

koocutools.com resolves to four IP addresses: 104.21.47.59, 172.67.144.221, 2606:4700:3032::6815:2f3b and 2606:4700:3034::ac43:90dd.

singapore-visa.net, attention-ngn.com, bdyugdgudfl.top plus two other host names have IP numbers in common with koocutools.com.

Name Servers

koocutools.com has two authoritative name servers — alan.ns.cloudflare.com and bethany.ns.cloudflare.com.

The name server configuration of koocutools.com is shared with other domains, for instance lfyaqi.com, noiim.com, mzguohua.com and two others.

koocutools.com has at least partial name server overlap with other domains, such as denun.net, web-servers.fun, chabrand.net and two others.

It is common to see these name servers used together with name servers aragorn.ns.cloudflare.com and byron.ns.cloudflare.com.

Hosts with 6 IP addresses each:

alan.ns.cloudflare.com points to 108.162.193.57, 172.64.33.57, 173.245.59.57 and 3 other IP addresses.

bethany.ns.cloudflare.com points to 108.162.194.31, 162.159.38.31, 172.64.34.31 and 3 other IP addresses.

koocutools.com - robtex.com

koocutools.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`koocutools.com`

`com`