`hclass.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:20b3^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:9932^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.32.179^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.50^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`memphis.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cbd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`memphis.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3bd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`memphis.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23bd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`memphis.ns.cloudflare.com`
		A	108.162.195.189^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`memphis.ns.cloudflare.com`
		A	162.159.44.189^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`memphis.ns.cloudflare.com`
		A	172.64.35.189^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`memphis.ns.cloudflare.com`
NS	`venus.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aeb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`venus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0eb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`venus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20eb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`venus.ns.cloudflare.com`
		A	108.162.192.235^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`venus.ns.cloudflare.com`
		A	172.64.32.235^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`venus.ns.cloudflare.com`
		A	173.245.58.235^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`venus.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.32.179, 172.67.153.50
		IPv6	2606:4700:3030::6815:20b3, 2606:4700:3036::ac43:9932
SOA	`memphis.ns.cloudflare.com`dns@cloudflare.com serial=2399427349

`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=2034596823

Same first word

hclass.cn

hclass.ru

Similar names

cslash.com

ahscls.com

cslash.info

cslash.net

lsachs.com

cslash.fr

lahssc.org

schals.ch

shacls.com

laschs.de

slcash.com

slashc.com

lhssca.com

ahcsls.com

slasch.com

salcsh.com

schals.de

hlascs.tv

classh.com

lchsas.com

schals.at

sclash.de

slcahs.org

DNS History

24 records (6 active, 18 former)

○NSdm1.longmingdns.com2026-03-06 → 2026-03-06 · 4 obs

○ 2017-09-13 18:44:04
● 2026-03-06 17:11:02
○ 2026-03-26 15:46:54
○ 2026-03-28 03:25:34

○NSdm2.longmingdns.com2026-03-06 → 2026-03-06 · 4 obs

○ 2017-09-13 18:44:04
● 2026-03-06 17:11:02
○ 2026-03-26 15:46:54
○ 2026-03-28 03:25:34

○NSdns15.hichina.com2017-06-19 → 2017-09-13 · 5 obs

○ 2017-01-05 06:49:06
● 2017-06-19 21:43:14
● 2017-09-13 18:44:04
○ 2026-03-06 17:11:02
○ 2026-03-28 03:25:34

○NSdns16.hichina.com2017-06-19 → 2017-09-13 · 5 obs

○ 2017-01-05 06:49:06
● 2017-06-19 21:43:14
● 2017-09-13 18:44:04
○ 2026-03-06 17:11:02
○ 2026-03-28 03:25:34

○NSdns17.hichina.com2015-09-03 → 2016-10-17 · 5 obs

○ 2009-07-04 01:57:32
● 2015-09-03 18:51:52
● 2016-10-17 03:15:20
○ 2016-12-01 10:34:00
○ 2026-03-28 03:25:34

○NSdns18.hichina.com2015-09-03 → 2016-10-17 · 5 obs

○ 2009-07-04 01:57:32
● 2015-09-03 18:51:52
● 2016-10-17 03:15:20
○ 2016-12-01 10:34:00
○ 2026-03-28 03:25:34

○NSexpirens3.hichina.com2016-12-01 → 2016-12-01 · 4 obs

○ 2016-10-17 03:15:20
● 2016-12-01 10:34:00
○ 2016-12-17 01:29:40
○ 2026-03-28 03:25:34

○NSexpirens4.hichina.com2016-12-01 → 2016-12-01 · 4 obs

○ 2016-10-17 03:15:20
● 2016-12-01 10:34:00
○ 2016-12-17 01:29:40
○ 2026-03-28 03:25:34

●NSmemphis.ns.cloudflare.com2026-03-26 → 2026-03-28 · 3 obs

○ 2026-03-06 17:11:02
● 2026-03-26 15:46:54
● 2026-03-28 03:25:34

○NSns1.uqet.com2009-07-04 → 2009-07-04 · 3 obs

● 2009-07-04 01:57:32
○ 2015-09-03 18:51:52
○ 2026-03-28 03:25:34

○NSns2.uqet.com2009-07-04 → 2009-07-04 · 3 obs

● 2009-07-04 01:57:32
○ 2015-09-03 18:51:52
○ 2026-03-28 03:25:34

●NSvenus.ns.cloudflare.com2026-03-26 → 2026-03-28 · 3 obs

○ 2026-03-06 17:11:02
● 2026-03-26 15:46:54
● 2026-03-28 03:25:34

○NSwww.hclass.cn2016-12-25 → 2017-01-05 · 5 obs

○ 2016-12-17 01:29:40
● 2016-12-25 14:39:28
● 2017-01-05 06:49:06
○ 2017-06-19 21:43:14
○ 2026-03-28 03:25:34

○MXio.bouncemx.com2016-12-27 → 2016-12-28 · 4 obs

● 2016-12-27 04:19:54
● 2016-12-28 04:52:30
○ 2017-06-19 21:43:14
○ 2026-03-28 03:25:34

●A104.21.32.1792026-03-26 → 2026-03-28 · 3 obs

○ 2026-03-06 17:11:02
● 2026-03-26 15:46:54
● 2026-03-28 03:25:34

●A172.67.153.502026-03-26 → 2026-03-28 · 3 obs

○ 2026-03-06 17:11:02
● 2026-03-26 15:46:54
● 2026-03-28 03:25:34

●A2606:4700:3030::6815:20b32026-03-26 → 2026-03-28 · 3 obs

○ 2026-03-06 17:11:02
● 2026-03-26 15:46:54
● 2026-03-28 03:25:34

●A2606:4700:3036::ac43:99322026-03-26 → 2026-03-28 · 3 obs

○ 2026-03-06 17:11:02
● 2026-03-26 15:46:54
● 2026-03-28 03:25:34

○A38.174.178.2532026-03-06 → 2026-03-06 · 4 obs

○ 2017-09-13 18:44:04
● 2026-03-06 17:11:02
○ 2026-03-26 15:46:54
○ 2026-03-28 03:25:34

○A47.89.58.1412016-12-01 → 2016-12-01 · 3 obs

● 2016-12-01 10:34:00
○ 2016-12-17 01:29:40
○ 2026-03-28 03:25:34

○A47.89.58.322017-06-19 → 2017-09-13 · 5 obs

○ 2016-12-28 04:52:30
● 2017-06-19 21:43:14
● 2017-09-13 18:44:04
○ 2026-03-06 17:11:02
○ 2026-03-28 03:25:34

○A70.39.84.2332016-12-27 → 2016-12-27 · 4 obs

○ 2016-12-17 01:29:40
● 2016-12-27 04:19:54
○ 2017-06-19 21:43:14
○ 2026-03-28 03:25:34

○A70.39.84.2382016-12-28 → 2016-12-28 · 4 obs

○ 2016-12-27 04:19:54
● 2016-12-28 04:52:30
○ 2017-06-19 21:43:14
○ 2026-03-28 03:25:34

○CNAMEh.dcoin.co2016-12-27 → 2016-12-28 · 4 obs

● 2016-12-27 04:19:54
● 2016-12-28 04:52:30
○ 2017-01-05 06:49:06
○ 2026-03-28 03:25:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
hclass.cn	venus.ns.cloudflare.com, memphis.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.189

NS records: venus.ns.cloudflare.com, memphis.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hclass.cn (unsigned zone)

⏱️ Timing

Total: 1368ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.153.50, 104.21.32.179`
AAAA	2	`2606:4700:3030::6815:20b3, 2606:4700:3036::ac43:9932`
NS	2	`memphis.ns.cloudflare.com, venus.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`memphis.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

hclass.cn points to four IP numbers: 2606:4700:3030::6815:20b3, 2606:4700:3036::ac43:9932, 104.21.32.179 and 172.67.153.50.

Other host names, for instance snapx.ru, noboxer.com, toja.co.uk, vueterra.com and cusafaris.com share IP numbers with hclass.cn.

Name Servers

hclass.cn's delegation is to two name servers memphis.ns.cloudflare.com and venus.ns.cloudflare.com.

hclass.cn shares the same name server configuration as other domains, such as sdsmw.cn, cha-plus.com, dq0593.com, edtlearning.com and syyls.com.

hclass.cn at least partially shares its name servers with other domains, for instance winff.org, storymix.hu, alainalexanianconsulting.com, launcheffecthouston.com and digiturkinternet.co.

These name servers are often used together with the name servers nick.ns.cloudflare.com.

Host names with six IP numbers:

memphis.ns.cloudflare.com points to: 2606:4700:58::a29f:2cbd, 2803:f800:50::6ca2:c3bd, 2a06:98c1:50::ac40:23bd, 108.162.195.189, 162.159.44.189 and 172.64.35.189.

venus.ns.cloudflare.com points to: 2606:4700:50::adf5:3aeb, 2803:f800:50::6ca2:c0eb, 2a06:98c1:50::ac40:20eb, 108.162.192.235, 172.64.32.235 and 173.245.58.235.

hclass.cn - robtex.com

hclass.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`hclass.cn`

`cn`