`ycuy.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8323^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3c4^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.196^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.35^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ali.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ali.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ali.ns.cloudflare.com`
		A	108.162.192.59^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	172.64.32.59^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	173.245.58.59^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
NS	`dan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dan.ns.cloudflare.com`
		A	108.162.193.108^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	172.64.33.108^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	173.245.59.108^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.3.196, 172.67.131.35
		IPv6 hints	2606:4700:3030::ac43:8323, 2606:4700:3035::6815:3c4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=17, name=cloudflare-ech.com
SOA	`ali.ns.cloudflare.com`dns@cloudflare.com serial=2401791516

`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=2034722588

Same first word

ycuy.cn

Similar names

uycy.cn

cyuy.cn

ucyy.cc

uyyc.cn

DNS History

19 records (6 active, 13 former)

●NSali.ns.cloudflare.com2026-04-18 → 2026-04-28 · 3 obs

○ 2026-03-23 08:26:18
● 2026-04-18 00:05:52
● 2026-04-28 08:33:04

●NSdan.ns.cloudflare.com2026-04-18 → 2026-04-28 · 3 obs

○ 2026-03-23 08:26:18
● 2026-04-18 00:05:52
● 2026-04-28 08:33:04

○NSdns1.iidns.com2016-02-11 → 2016-05-09 · 4 obs

● 2016-02-11 22:44:20
● 2016-05-09 02:28:30
○ 2018-07-27 14:16:58
○ 2026-04-28 08:33:04

○NSdns2.iidns.com2016-02-11 → 2016-05-09 · 4 obs

● 2016-02-11 22:44:20
● 2016-05-09 02:28:30
○ 2026-02-28 15:22:38
○ 2026-04-28 08:33:04

○NSdns3.iidns.com2016-02-11 → 2016-05-09 · 4 obs

● 2016-02-11 22:44:20
● 2016-05-09 02:28:30
○ 2026-02-28 15:22:38
○ 2026-04-28 08:33:04

○NSdns4.iidns.com2016-02-11 → 2016-05-09 · 4 obs

● 2016-02-11 22:44:20
● 2016-05-09 02:28:30
○ 2026-02-28 15:22:38
○ 2026-04-28 08:33:04

○NSdns5.iidns.com2016-02-11 → 2016-05-09 · 4 obs

● 2016-02-11 22:44:20
● 2016-05-09 02:28:30
○ 2026-02-28 15:22:38
○ 2026-04-28 08:33:04

○NSdns6.iidns.com2016-02-11 → 2016-05-09 · 4 obs

● 2016-02-11 22:44:20
● 2016-05-09 02:28:30
○ 2026-02-28 15:22:38
○ 2026-04-28 08:33:04

○NSns1.nowcndns.com2026-02-28 → 2026-03-23 · 5 obs

○ 2018-07-27 14:16:58
● 2026-02-28 15:22:38
● 2026-03-23 08:26:18
○ 2026-04-18 00:05:52
○ 2026-04-28 08:33:04

○NSns2.nowcndns.com2026-02-28 → 2026-03-23 · 5 obs

○ 2018-07-27 14:16:58
● 2026-02-28 15:22:38
● 2026-03-23 08:26:18
○ 2026-04-18 00:05:52
○ 2026-04-28 08:33:04

○NSns3.dns.com2018-07-27 → 2018-07-27 · 4 obs

○ 2016-05-09 02:28:30
● 2018-07-27 14:16:58
○ 2026-02-28 15:22:38
○ 2026-04-28 08:33:04

●A104.21.3.1962026-04-18 → 2026-04-28 · 3 obs

○ 2026-03-23 08:26:18
● 2026-04-18 00:05:52
● 2026-04-28 08:33:04

○A107.167.19.722016-02-11 → 2016-02-11 · 3 obs

● 2016-02-11 22:44:20
○ 2026-02-28 15:22:38
○ 2026-04-28 08:33:04

○A107.167.19.732016-02-11 → 2016-02-11 · 3 obs

● 2016-02-11 22:44:20
○ 2026-02-28 15:22:38
○ 2026-04-28 08:33:04

○A154.219.185.1722026-02-28 → 2026-03-23 · 5 obs

○ 2016-02-11 22:44:20
● 2026-02-28 15:22:38
● 2026-03-23 08:26:18
○ 2026-04-18 00:05:52
○ 2026-04-28 08:33:04

●A172.67.131.352026-04-18 → 2026-04-28 · 3 obs

○ 2026-03-23 08:26:18
● 2026-04-18 00:05:52
● 2026-04-28 08:33:04

●A2606:4700:3030::ac43:83232026-04-18 → 2026-04-28 · 3 obs

○ 2026-03-23 08:26:18
● 2026-04-18 00:05:52
● 2026-04-28 08:33:04

●A2606:4700:3035::6815:3c42026-04-18 → 2026-04-28 · 3 obs

○ 2026-03-23 08:26:18
● 2026-04-18 00:05:52
● 2026-04-28 08:33:04

○CNAMEcs.ename.net2016-02-11 → 2018-07-27 · 5 obs

● 2016-02-11 22:44:20
○ 2016-05-09 02:28:30
● 2018-07-27 14:16:58
○ 2026-02-28 15:22:38
○ 2026-04-28 08:33:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, b.dns.cn, c.dns.cn, a.dns.cn...	-
ycuy.cn	ali.ns.cloudflare.com, dan.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.59

NS records: ali.ns.cloudflare.com, dan.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at ycuy.cn: Error: DNS query timeout: 203.119.29.1 for DS ycuy.cn

⏱️ Timing

Total: 4015ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.35, 104.21.3.196`
AAAA	2	`2606:4700:3035::6815:3c4, 2606:4700:3030::ac43:8323`
NS	2	`ali.ns.cloudflare.com, dan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ali.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

Four IP numbers are pointed to by ycuy.cn: 2606:4700:3030::ac43:8323, 2606:4700:3035::6815:3c4, 104.21.3.196 and 172.67.131.35.

other host names including techrelations.dk, damkarbojonegoro.com, zhxtyn.com, sunmoving.cn and eeestudy.com share IP numbers with ycuy.cn.

Name Servers

ycuy.cn is delegated to two name servers ali.ns.cloudflare.com and dan.ns.cloudflare.com.

ycuy.cn shares the same name server setup as other domains, for instance anggao.cn, tradifreslthy.com, murrinandwallace.com, 0371zc.cn and hua027.cn.

ycuy.cn at least partially shares name servers with other domains, for instance xponja.com.br, mikitti.xyz, lapochka.com, slpages.com and wahkiakumchamber.com.

These name servers are commonly used alongside zeus.ns.cloudflare.com and ned.ns.cloudflare.com.

Host names with six IP numbers:

Host name ali.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3b, 2803:f800:50::6ca2:c03b, 2a06:98c1:50::ac40:203b, 108.162.192.59, 172.64.32.59 and 173.245.58.59.

Host name dan.ns.cloudflare.com points to: 2606:4700:58::adf5:3b6c, 2803:f800:50::6ca2:c16c, 2a06:98c1:50::ac40:216c, 108.162.193.108, 172.64.33.108 and 173.245.59.108.

ycuy.cn - robtex.com

ycuy.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`ycuy.cn`

`cn`