`coolguan.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:d36e^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4dc5^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.197^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.211.110^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aleena.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2651^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c251^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aleena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2251^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aleena.ns.cloudflare.com`
		A	108.162.194.81^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	162.159.38.81^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
		A	172.64.34.81^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aleena.ns.cloudflare.com`
NS	`ignacio.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c52^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ignacio.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c352^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ignacio.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2352^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ignacio.ns.cloudflare.com`
		A	108.162.195.82^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ignacio.ns.cloudflare.com`
		A	162.159.44.82^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ignacio.ns.cloudflare.com`
		A	172.64.35.82^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ignacio.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.77.197, 172.67.211.110
		IPv6 hints	2606:4700:3030::ac43:d36e, 2606:4700:3035::6815:4dc5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=62, name=cloudflare-ech.com
SOA	`aleena.ns.cloudflare.com`dns@cloudflare.com serial=2397309292

`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=1775990462

Same first word

coolguan.com

Similar names

luongcao.vn

DNS History

15 records (6 active, 9 former)

●NSaleena.ns.cloudflare.com2026-03-28 → 2026-04-12 · 3 obs

○ 2020-04-13 14:40:10
● 2026-03-28 11:21:10
● 2026-04-12 10:58:40

●NSignacio.ns.cloudflare.com2026-03-28 → 2026-04-12 · 3 obs

○ 2020-04-13 14:40:10
● 2026-03-28 11:21:10
● 2026-04-12 10:58:40

○NSns.nagor.cn2015-12-01 → 2016-06-22 · 5 obs

○ 2015-07-24 13:00:10
● 2015-12-01 18:51:02
● 2016-06-22 22:26:14
○ 2017-03-14 07:57:14
○ 2026-04-12 10:58:40

○NSns.nagor.com.cn2015-07-24 → 2016-06-22 · 4 obs

● 2015-07-24 13:00:10
● 2016-06-22 22:26:14
○ 2017-03-14 07:57:14
○ 2026-04-12 10:58:40

○NSns1.dnsnw.com2015-12-01 → 2020-04-13 · 8 obs

○ 2015-07-24 13:00:10
● 2015-12-01 18:51:02
● 2016-06-22 22:26:14
○ 2017-03-14 07:57:14
○ 2017-04-12 00:06:28
● 2020-04-13 14:40:10
○ 2026-03-28 11:21:10
○ 2026-04-12 10:58:40

○NSns1.julydns.com2026-03-28 → 2026-04-12 · 2 obs

○ 2026-03-28 11:21:10
○ 2026-04-12 10:58:40

○NSns2.dnsnw.com2015-12-01 → 2020-04-13 · 8 obs

○ 2015-07-24 13:00:10
● 2015-12-01 18:51:02
● 2016-06-22 22:26:14
○ 2017-03-14 07:57:14
○ 2017-04-12 00:06:28
● 2020-04-13 14:40:10
○ 2026-03-28 11:21:10
○ 2026-04-12 10:58:40

○NSns2.julydns.com2026-03-28 → 2026-04-12 · 2 obs

○ 2026-03-28 11:21:10
○ 2026-04-12 10:58:40

○A103.66.217.662017-03-14 → 2020-04-13 · 5 obs

○ 2016-06-22 22:26:14
● 2017-03-14 07:57:14
● 2020-04-13 14:40:10
○ 2026-03-28 11:21:10
○ 2026-04-12 10:58:40

●A104.21.77.1972026-03-28 → 2026-04-12 · 3 obs

○ 2020-04-13 14:40:10
● 2026-03-28 11:21:10
● 2026-04-12 10:58:40

●A172.67.211.1102026-03-28 → 2026-04-12 · 3 obs

○ 2020-04-13 14:40:10
● 2026-03-28 11:21:10
● 2026-04-12 10:58:40

●A2606:4700:3030::ac43:d36e2026-03-28 → 2026-04-12 · 3 obs

○ 2020-04-13 14:40:10
● 2026-03-28 11:21:10
● 2026-04-12 10:58:40

●A2606:4700:3035::6815:4dc52026-03-28 → 2026-04-12 · 3 obs

○ 2020-04-13 14:40:10
● 2026-03-28 11:21:10
● 2026-04-12 10:58:40

○A59.188.236.1672015-07-24 → 2016-06-22 · 4 obs

● 2015-07-24 13:00:10
● 2016-06-22 22:26:14
○ 2017-03-14 07:57:14
○ 2026-04-12 10:58:40

○A8.218.118.1572026-03-28 → 2026-04-12 · 2 obs

○ 2026-03-28 11:21:10
○ 2026-04-12 10:58:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net...	-
coolguan.com	aleena.ns.cloudflare.com, ignacio.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.81

NS records: aleena.ns.cloudflare.com, ignacio.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolguan.com (unsigned zone)

⏱️ Timing

Total: 108ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.211.110, 104.21.77.197`
AAAA	2	`2606:4700:3030::ac43:d36e, 2606:4700:3035::6815:4dc5`
NS	2	`aleena.ns.cloudflare.com, ignacio.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aleena.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

coolguan.com resolves to four IP numbers: 2606:4700:3030::ac43:d36e, 2606:4700:3035::6815:4dc5, 104.21.77.197 and 172.67.211.110.

other host names for instance www.evolvetrack.life, vimtasturizm.com.tr, server.iservernet2.com, whxray.com and czzjnk120.com share IP numbers with coolguan.com.

Name Servers

coolguan.com is delegated to two name servers: aleena.ns.cloudflare.com and ignacio.ns.cloudflare.com.

coolguan.com shares the same name server setup as other domains, for example qd1598.com, mstwy.com, absolut3.com, tjhaolin.com and yuanfl.com.

coolguan.com at least partially shares name servers with other domains, for instance esolution.center, strike.org, csxx.ru, abrapp.org.br and rialtogaragedoorrepair.com.

These name servers are commonly used with abdullah.ns.cloudflare.com, kelly.ns.cloudflare.com and colin.ns.cloudflare.com.

Host names with six IP numbers:

aleena.ns.cloudflare.com points to: 2606:4700:50::a29f:2651, 2803:f800:50::6ca2:c251, 2a06:98c1:50::ac40:2251, 108.162.194.81, 162.159.38.81 and 172.64.34.81; ignacio.ns.cloudflare.com points to: 2606:4700:58::a29f:2c52, 2803:f800:50::6ca2:c352, 2a06:98c1:50::ac40:2352, 108.162.195.82, 162.159.44.82 and 172.64.35.82.

coolguan.com - robtex.com

coolguan.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

`coolguan.com`

`com`