knull.cn - dns.ninja

`knull.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:9add^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:684^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.132^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.221^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dorthy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dorthy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dorthy.ns.cloudflare.com`
		A	108.162.192.249^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	172.64.32.249^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	173.245.58.249^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
NS	`rayden.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ca3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3a3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rayden.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23a3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rayden.ns.cloudflare.com`
		A	108.162.195.163^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
		A	162.159.44.163^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
		A	172.64.35.163^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rayden.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.6.132, 172.67.154.221
		IPv6 hints	2606:4700:3030::ac43:9add, 2606:4700:3033::6815:684
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=161, name=cloudflare-ech.com
SOA	`dorthy.ns.cloudflare.com`dns@cloudflare.com serial=2411977187

`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`
	SOA	`a.dns.cn`root@cnnic.cn serial=2035179226

Same first word

knull.de

knull.net

knull.com.ar

knull.cn

knull.eu

knull.org

knull.me

knull.at

knull.com

Similar names

nullk.com

kunll.com

nullk.github.io

kllun.com

DNS History

13 records (6 active, 7 former)

○NSag1.juming.com2026-07-03 → 2026-07-03 · 4 obs

○ 2026-02-28 05:17:20
● 2026-07-03 10:05:12
○ 2026-08-12 08:07:48
○ 2026-08-14 08:28:36

○NSag2.juming.com2026-07-03 → 2026-07-03 · 4 obs

○ 2026-02-28 05:17:20
● 2026-07-03 10:05:12
○ 2026-08-12 08:07:48
○ 2026-08-14 08:28:36

●NSdorthy.ns.cloudflare.com2026-02-28 → 2026-08-14 · 4 obs

● 2026-02-28 05:17:20
○ 2026-07-03 10:05:12
● 2026-08-12 08:07:48
● 2026-08-14 08:28:36

●NSrayden.ns.cloudflare.com2026-02-28 → 2026-08-14 · 4 obs

● 2026-02-28 05:17:20
○ 2026-07-03 10:05:12
● 2026-08-12 08:07:48
● 2026-08-14 08:28:36

●A104.21.6.1322026-02-28 → 2026-08-14 · 7 obs

● 2026-02-28 05:17:20
● 2026-03-06 09:43:10
○ 2026-03-14 22:14:12
● 2026-03-14 23:07:28
○ 2026-07-03 10:05:12
● 2026-08-12 08:07:48
● 2026-08-14 08:28:36

○A172.64.80.12026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-06 09:43:10
● 2026-03-14 22:14:12
○ 2026-03-14 23:07:28
○ 2026-08-14 08:28:36

●A172.67.154.2212026-02-28 → 2026-08-14 · 7 obs

● 2026-02-28 05:17:20
● 2026-03-06 09:43:10
○ 2026-03-14 22:14:12
● 2026-03-14 23:07:28
○ 2026-07-03 10:05:12
● 2026-08-12 08:07:48
● 2026-08-14 08:28:36

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-14 → 2026-03-14 · 4 obs

○ 2026-03-06 09:43:10
● 2026-03-14 22:14:12
○ 2026-03-14 23:07:28
○ 2026-08-14 08:28:36

○A2606:4700:3030::6815:6842026-02-28 → 2026-06-13 · 7 obs

● 2026-02-28 05:17:20
● 2026-03-06 09:43:10
○ 2026-03-14 22:14:12
● 2026-03-14 23:07:28
● 2026-06-13 13:46:08
○ 2026-06-19 15:44:04
○ 2026-08-14 08:28:36

●A2606:4700:3030::ac43:9add2026-06-19 → 2026-08-14 · 5 obs

○ 2026-06-13 13:46:08
● 2026-06-19 15:44:04
○ 2026-07-03 10:05:12
● 2026-08-12 08:07:48
● 2026-08-14 08:28:36

●A2606:4700:3033::6815:6842026-06-19 → 2026-08-14 · 5 obs

○ 2026-06-13 13:46:08
● 2026-06-19 15:44:04
○ 2026-07-03 10:05:12
● 2026-08-12 08:07:48
● 2026-08-14 08:28:36

○A2606:4700:3034::ac43:9add2026-02-28 → 2026-06-13 · 7 obs

● 2026-02-28 05:17:20
● 2026-03-06 09:43:10
○ 2026-03-14 22:14:12
● 2026-03-14 23:07:28
● 2026-06-13 13:46:08
○ 2026-06-19 15:44:04
○ 2026-08-14 08:28:36

○CNAMEagent31.juming.com2026-07-03 → 2026-07-03 · 3 obs

● 2026-07-03 10:05:12
○ 2026-08-12 08:07:48
○ 2026-08-14 08:28:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	ns.cernet.net, c.dns.cn, d.dns.cn, a.dns.cn...	-
knull.cn	dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.163

NS records: dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knull.cn (unsigned zone)

⏱️ Timing

Total: 1211ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.154.221, 104.21.6.132`
AAAA	2	`2606:4700:3030::ac43:9add, 2606:4700:3033::6815:684`
NS	2	`dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dorthy.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

knull.cn has four IP addresses: 104.21.6.132, 172.67.154.221, 2606:4700:3030::ac43:9add and 2606:4700:3033::6815:684.

Additional host names — bikessrepair.com, ranktitanseo.com, cbotfw0.com and two others — share IP numbers with knull.cn.

Name Servers

knull.cn uses two name servers for its delegation: dorthy.ns.cloudflare.com and rayden.ns.cloudflare.com.

knull.cn shares its name server setup with other domains, including donogauge.com, dgpdhg.com, banamavskeluodiyashengpingfu.cn and two others.

knull.cn partially shares its NS delegation with several other domains, including planlogic.icu, sekswoordenboek.com, nazvelgorn.live and two others.

These name servers regularly co-occur with the name servers jen.ns.cloudflare.com, abdullah.ns.cloudflare.com and moura.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname dorthy.ns.cloudflare.com directs to 108.162.192.249, 172.64.32.249 and 173.245.58.249 along with 3 other IP addresses.

Hostname rayden.ns.cloudflare.com directs to 108.162.195.163, 162.159.44.163 and 172.64.35.163 along with 3 other IP addresses.