`knowcn.com.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a9d0^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:1be8^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.232^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.208^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`junade.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c1e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`junade.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c31e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`junade.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:231e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`junade.ns.cloudflare.com`
		A	108.162.195.30^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`junade.ns.cloudflare.com`
		A	162.159.44.30^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`junade.ns.cloudflare.com`
		A	172.64.35.30^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`junade.ns.cloudflare.com`
NS	`lindsey.ns.cloudflare.com`
		A	2606:4700:50::a29f:2605^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lindsey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c205^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lindsey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2205^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lindsey.ns.cloudflare.com`
		A	108.162.194.5^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lindsey.ns.cloudflare.com`
		A	162.159.38.5^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lindsey.ns.cloudflare.com`
		A	172.64.34.5^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lindsey.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.232, 172.67.169.208
		IPv6 hints	2606:4700:3031::ac43:a9d0, 2606:4700:3033::6815:1be8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=229, name=cloudflare-ech.com
SOA	`junade.ns.cloudflare.com`dns@cloudflare.com serial=2410740638

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030715392

WOT: NOT_SAFE (20/100)

Same first word

knowcn.com

knowcn.com.cn

Similar names

nwnokc.com

wkconn.com

cnknow.net

kwconn.com

knownc.com

cnknow.com

DNS History

19 records (6 active, 13 former)

○NSdns10.hichina.com2016-07-12 → 2016-07-12 · 3 obs

● 2016-07-12 14:35:46
○ 2017-06-03 21:18:00
○ 2026-07-30 04:09:06

○NSdns9.hichina.com2016-07-12 → 2016-07-12 · 3 obs

● 2016-07-12 14:35:46
○ 2017-06-03 21:18:00
○ 2026-07-30 04:09:06

○NSexpirens3.hichina.com2017-06-03 → 2017-06-03 · 4 obs

○ 2016-07-12 14:35:46
● 2017-06-03 21:18:00
○ 2026-04-29 01:37:06
○ 2026-07-30 04:09:06

○NSexpirens4.hichina.com2017-06-03 → 2017-06-03 · 4 obs

○ 2016-07-12 14:35:46
● 2017-06-03 21:18:00
○ 2026-04-29 01:37:06
○ 2026-07-30 04:09:06

○NSjasper.ns.cloudflare.com2026-04-29 → 2026-04-29 · 3 obs

○ 2017-06-03 21:18:00
● 2026-04-29 01:37:06
○ 2026-07-30 04:09:06

●NSjunade.ns.cloudflare.com2026-07-30 → 2026-07-30 · 2 obs

○ 2026-04-29 01:37:06
● 2026-07-30 04:09:06

●NSlindsey.ns.cloudflare.com2026-07-30 → 2026-07-30 · 2 obs

○ 2026-04-29 01:37:06
● 2026-07-30 04:09:06

○NSopal.ns.cloudflare.com2026-04-29 → 2026-04-29 · 3 obs

○ 2017-06-03 21:18:00
● 2026-04-29 01:37:06
○ 2026-07-30 04:09:06

●A104.21.27.2322026-07-30 → 2026-07-30 · 2 obs

○ 2026-07-08 21:43:50
● 2026-07-30 04:09:06

○A104.21.46.1282026-04-29 → 2026-04-29 · 3 obs

○ 2017-06-03 21:18:00
● 2026-04-29 01:37:06
○ 2026-07-30 04:09:06

○A172.67.139.62026-04-29 → 2026-04-29 · 3 obs

○ 2017-06-03 21:18:00
● 2026-04-29 01:37:06
○ 2026-07-30 04:09:06

●A172.67.169.2082026-07-30 → 2026-07-30 · 2 obs

○ 2026-07-08 21:43:50
● 2026-07-30 04:09:06

○A2606:4700:3030::6815:2e802026-07-08 → 2026-07-08 · 3 obs

○ 2026-04-29 01:37:06
● 2026-07-08 21:43:50
○ 2026-07-30 04:09:06

○A2606:4700:3030::ac43:8b062026-04-29 → 2026-04-29 · 4 obs

○ 2017-06-03 21:18:00
● 2026-04-29 01:37:06
○ 2026-07-08 21:43:50
○ 2026-07-30 04:09:06

○A2606:4700:3031::6815:2e802026-04-29 → 2026-04-29 · 4 obs

○ 2017-06-03 21:18:00
● 2026-04-29 01:37:06
○ 2026-07-08 21:43:50
○ 2026-07-30 04:09:06

●A2606:4700:3031::ac43:a9d02026-07-30 → 2026-07-30 · 2 obs

○ 2026-07-08 21:43:50
● 2026-07-30 04:09:06

●A2606:4700:3033::6815:1be82026-07-30 → 2026-07-30 · 2 obs

○ 2026-07-08 21:43:50
● 2026-07-30 04:09:06

○A2606:4700:3036::ac43:8b062026-07-08 → 2026-07-08 · 3 obs

○ 2026-04-29 01:37:06
● 2026-07-08 21:43:50
○ 2026-07-30 04:09:06

○A47.89.58.1412017-06-03 → 2017-06-03 · 3 obs

● 2017-06-03 21:18:00
○ 2026-04-29 01:37:06
○ 2026-07-30 04:09:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, c.dns.cn, e.dns.cn, d.dns.cn...	-
knowcn.com.cn	junade.ns.cloudflare.com, lindsey.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.5

NS records: junade.ns.cloudflare.com, lindsey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowcn.com.cn (unsigned zone)

⏱️ Timing

Total: 833ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.169.208, 104.21.27.232`
AAAA	2	`2606:4700:3033::6815:1be8, 2606:4700:3031::ac43:a9d0`
NS	2	`junade.ns.cloudflare.com, lindsey.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`junade.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

knowcn.com.cn points to the four IP addresses 104.21.27.232, 172.67.169.208, 2606:4700:3031::ac43:a9d0 and 2606:4700:3033::6815:1be8.

gamedevresearch.com, kilbirniemedicalpractice.co.uk, nvuvw.top and two other host names share IP numbers with knowcn.com.cn.

Name Servers

knowcn.com.cn has two authoritative name servers — junade.ns.cloudflare.com and lindsey.ns.cloudflare.com.

knowcn.com.cn uses the same name servers as several other domains — among them tjjiaju.com.cn, 213.org.cn, fortunechild.com.cn and two more.

At least some of knowcn.com.cn's name servers are shared with other domains, for example 8887333.com, milatgazetesi.com, paitohk5.shop and two more.

These name servers are often deployed together with the name servers jarred.ns.cloudflare.com, amit.ns.cloudflare.com, robin.ns.cloudflare.com and carol.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

junade.ns.cloudflare.com points to 108.162.195.30, 162.159.44.30, 172.64.35.30 and 3 other IP addresses.

lindsey.ns.cloudflare.com points to 108.162.194.5, 162.159.38.5, 172.64.34.5 and 3 other IP addresses.

knowcn.com.cn - robtex.com

knowcn.com.cn

com.cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`knowcn.com.cn`

`com.cn`