`cooltun.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4020^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:af11^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.64.32^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.17^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`laura.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`laura.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`laura.ns.cloudflare.com`
		A	108.162.192.183^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	172.64.32.183^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
		A	173.245.58.183^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`laura.ns.cloudflare.com`
NS	`mike.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mike.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c33f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mike.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:233f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mike.ns.cloudflare.com`
		A	108.162.195.63^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mike.ns.cloudflare.com`
		A	162.159.44.63^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mike.ns.cloudflare.com`
		A	172.64.35.63^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mike.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.64.32, 172.67.175.17
		IPv6	2606:4700:3033::6815:4020, 2606:4700:3033::ac43:af11
SOA	`laura.ns.cloudflare.com`dns@cloudflare.com serial=2399983288

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034619504

Same first word

cooltun.cn

Similar names

loutonc.com

noclout.com

cultoon.de

tolucon.se

conluto.de

noclout.fr

notcoul.com

clouton.info

ctoulon.com

conluto.com

coolnut.in

loconut.com.au

coulton.ie

coulton.net

clouton.com

ctoulon.fr

lutonco.com

DNS History

16 records (6 active, 10 former)

●NSlaura.ns.cloudflare.com2026-02-15 → 2026-04-01 · 3 obs

○ 2018-10-14 23:33:42
● 2026-02-15 07:43:14
● 2026-04-01 05:46:42

●NSmike.ns.cloudflare.com2026-02-15 → 2026-04-01 · 3 obs

○ 2018-10-14 23:33:42
● 2026-02-15 07:43:14
● 2026-04-01 05:46:42

○NSns1.dnsdun.com2018-10-14 → 2018-10-14 · 4 obs

○ 2016-04-25 00:14:08
● 2018-10-14 23:33:42
○ 2026-02-15 07:43:14
○ 2026-04-01 05:46:42

○NSns1.dnsdun.net2018-10-14 → 2018-10-14 · 4 obs

○ 2016-04-25 00:14:08
● 2018-10-14 23:33:42
○ 2026-02-15 07:43:14
○ 2026-04-01 05:46:42

○NSns5.dnsdun.net2016-02-04 → 2016-04-25 · 5 obs

○ 2015-11-15 03:35:42
● 2016-02-04 12:38:26
● 2016-04-25 00:14:08
○ 2018-10-14 23:33:42
○ 2026-04-01 05:46:42

○NSns6.dnsdun.com2016-02-04 → 2016-04-25 · 5 obs

○ 2015-11-15 03:35:42
● 2016-02-04 12:38:26
● 2016-04-25 00:14:08
○ 2018-10-14 23:33:42
○ 2026-04-01 05:46:42

○NSns7.ns365.net2015-07-13 → 2015-11-15 · 4 obs

● 2015-07-13 02:27:30
● 2015-11-15 03:35:42
○ 2016-02-04 12:38:26
○ 2026-04-01 05:46:42

○NSns8.ns365.net2015-07-13 → 2015-11-15 · 4 obs

● 2015-07-13 02:27:30
● 2015-11-15 03:35:42
○ 2016-02-04 12:38:26
○ 2026-04-01 05:46:42

○MXmail.cooltun.cn2015-07-13 → 2015-11-15 · 4 obs

● 2015-07-13 02:27:30
● 2015-11-15 03:35:42
○ 2016-02-04 12:38:26
○ 2026-04-01 05:46:42

●A104.21.64.322026-02-15 → 2026-04-01 · 3 obs

○ 2018-10-14 23:33:42
● 2026-02-15 07:43:14
● 2026-04-01 05:46:42

○A124.172.238.1592015-07-13 → 2015-11-15 · 4 obs

● 2015-07-13 02:27:30
● 2015-11-15 03:35:42
○ 2016-02-04 12:38:26
○ 2026-04-01 05:46:42

○A156.233.51.992018-10-14 → 2018-10-14 · 4 obs

○ 2016-02-04 12:38:26
● 2018-10-14 23:33:42
○ 2026-02-15 07:43:14
○ 2026-04-01 05:46:42

●A172.67.175.172026-02-15 → 2026-04-01 · 3 obs

○ 2018-10-14 23:33:42
● 2026-02-15 07:43:14
● 2026-04-01 05:46:42

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-16 → 2026-03-16 · 4 obs

○ 2026-02-18 18:08:14
● 2026-03-16 06:30:20
○ 2026-03-22 10:18:54
○ 2026-04-01 05:46:42

●A2606:4700:3033::6815:40202026-02-15 → 2026-04-01 · 6 obs

○ 2018-10-14 23:33:42
● 2026-02-15 07:43:14
● 2026-02-18 18:08:14
○ 2026-03-16 06:30:20
● 2026-03-22 10:18:54
● 2026-04-01 05:46:42

●A2606:4700:3033::ac43:af112026-02-15 → 2026-04-01 · 6 obs

○ 2018-10-14 23:33:42
● 2026-02-15 07:43:14
● 2026-02-18 18:08:14
○ 2026-03-16 06:30:20
● 2026-03-22 10:18:54
● 2026-04-01 05:46:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
cooltun.cn	mike.ns.cloudflare.com, laura.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.63

NS records: mike.ns.cloudflare.com, laura.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cooltun.cn (unsigned zone)

⏱️ Timing

Total: 741ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.64.32, 172.67.175.17`
AAAA	2	`2606:4700:3033::ac43:af11, 2606:4700:3033::6815:4020`
NS	2	`laura.ns.cloudflare.com, mike.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`laura.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

cooltun.cn maps to four IP numbers: 2606:4700:3033::6815:4020, 2606:4700:3033::ac43:af11, 104.21.64.32 and 172.67.175.17.

Other host names such as jlhq1.com, m.z8ol.com, deborahsells.com, manchestersciencefestival.com and mbkp.info share IPs with cooltun.cn.

Name Servers

Two name servers laura.ns.cloudflare.com and mike.ns.cloudflare.com handle the delegation for cooltun.cn.

cooltun.cn shares the same name server setup as other domains, for example dbks.cn, tchorse.cn, xxsxyl.cn, webmultishop.com and h2so4.cn.

cooltun.cn at least partially shares name servers with other domains, for example gentlemeadowview.xyz, duress.org, hotelmaria-angola.cl, hnyxwl.com and keepourportpublic.org.

these name servers commonly pair with augustus.ns.cloudflare.com, carter.ns.cloudflare.com, treasure.ns.cloudflare.com and rodney.ns.cloudflare.com.

Host names with six IP numbers:

laura.ns.cloudflare.com points to 2606:4700:50::adf5:3ab7, 2803:f800:50::6ca2:c0b7, 2a06:98c1:50::ac40:20b7, 108.162.192.183, 172.64.32.183 and 173.245.58.183.

mike.ns.cloudflare.com points to 2606:4700:58::a29f:2c3f, 2803:f800:50::6ca2:c33f, 2a06:98c1:50::ac40:233f, 108.162.195.63, 162.159.44.63 and 172.64.35.63.

cooltun.cn - robtex.com

cooltun.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`cooltun.cn`

`cn`