`youxidao.com.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d736^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:2342^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.35.66^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.54^{🇺🇸 Cloudflare172.67.208.0/20 , 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	104.21.35.66, 172.67.215.54
		IPv6 hints	2606:4700:3032::ac43:d736, 2606:4700:3036::6815:2342
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=168, name=cloudflare-ech.com
SOA	`dorthy.ns.cloudflare.com`dns@cloudflare.com serial=2398104217

`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=2030509526

WOT: NOT_SAFE (20/100)

Same first word

youxidao.com.cn

Similar names

oxyaudio.com

xiyoudao.com

DNS History

18 records (6 active, 12 former)

●NSdorthy.ns.cloudflare.com2026-03-20 → 2026-04-11 · 3 obs

○ 2019-12-25 03:33:54
● 2026-03-20 05:10:46
● 2026-04-11 18:48:30

○NSf1g1ns1.dnspod.net2015-08-08 → 2017-03-15 · 4 obs

● 2015-08-08 14:25:34
● 2017-03-15 19:22:14
○ 2019-12-25 03:33:54
○ 2026-04-11 18:48:30

○NSf1g1ns2.dnspod.net2015-08-08 → 2017-03-15 · 4 obs

● 2015-08-08 14:25:34
● 2017-03-15 19:22:14
○ 2019-12-25 03:33:54
○ 2026-04-11 18:48:30

●NSrayden.ns.cloudflare.com2026-03-20 → 2026-04-11 · 3 obs

○ 2019-12-25 03:33:54
● 2026-03-20 05:10:46
● 2026-04-11 18:48:30

○A103.149.27.332026-03-20 → 2026-04-11 · 2 obs

○ 2026-03-20 05:10:46
○ 2026-04-11 18:48:30

●A104.21.35.662026-03-20 → 2026-04-11 · 5 obs

○ 2026-03-20 05:10:46
● 2026-03-20 10:22:00
● 2026-03-25 04:16:04
○ 2026-03-25 11:21:38
● 2026-04-11 18:48:30

○A113.105.247.1072015-08-08 → 2016-03-03 · 4 obs

● 2015-08-08 14:25:34
● 2016-03-03 02:10:52
○ 2016-07-07 20:22:54
○ 2026-04-11 18:48:30

○A172.64.80.12026-03-20 → 2026-03-20 · 4 obs

○ 2019-12-25 03:33:54
● 2026-03-20 05:10:46
○ 2026-03-20 10:22:00
○ 2026-04-11 18:48:30

●A172.67.215.542026-03-20 → 2026-04-11 · 5 obs

○ 2026-03-20 05:10:46
● 2026-03-20 10:22:00
● 2026-03-25 04:16:04
○ 2026-03-25 11:21:38
● 2026-04-11 18:48:30

○A188.114.96.02026-03-25 → 2026-03-25 · 3 obs

○ 2026-03-25 04:16:04
● 2026-03-25 11:21:38
○ 2026-04-11 18:48:30

○A188.114.97.02026-03-25 → 2026-03-25 · 3 obs

○ 2026-03-25 04:16:04
● 2026-03-25 11:21:38
○ 2026-04-11 18:48:30

○A23.245.50.372017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-07 20:22:54
● 2017-03-15 19:22:14
○ 2019-12-25 03:33:54
○ 2026-04-11 18:48:30

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-20 → 2026-03-20 · 4 obs

○ 2019-12-25 03:33:54
● 2026-03-20 05:10:46
○ 2026-03-20 10:22:00
○ 2026-04-11 18:48:30

●A2606:4700:3032::ac43:d7362026-03-20 → 2026-04-11 · 5 obs

○ 2026-03-20 05:10:46
● 2026-03-20 10:22:00
● 2026-03-25 04:16:04
○ 2026-03-25 11:21:38
● 2026-04-11 18:48:30

●A2606:4700:3036::6815:23422026-03-20 → 2026-04-11 · 5 obs

○ 2026-03-20 05:10:46
● 2026-03-20 10:22:00
● 2026-03-25 04:16:04
○ 2026-03-25 11:21:38
● 2026-04-11 18:48:30

○A2a06:98c1:3120::2026-03-25 → 2026-03-25 · 3 obs

○ 2026-03-25 04:16:04
● 2026-03-25 11:21:38
○ 2026-04-11 18:48:30

○A2a06:98c1:3121::2026-03-25 → 2026-03-25 · 3 obs

○ 2026-03-25 04:16:04
● 2026-03-25 11:21:38
○ 2026-04-11 18:48:30

○CNAMEmymb.jumi.com2019-12-25 → 2019-12-25 · 3 obs

● 2019-12-25 03:33:54
○ 2026-03-20 05:10:46
○ 2026-04-11 18:48:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
youxidao.com.cn	dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.163

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 868ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.35.66, 172.67.215.54`
AAAA	2	`2606:4700:3036::6815:2342, 2606:4700:3032::ac43:d736`
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

Four IP numbers are pointed to by youxidao.com.cn: 2606:4700:3032::ac43:d736, 2606:4700:3036::6815:2342, 104.21.35.66 and 172.67.215.54.

other host names including kultura-kavkaz.ru, nbap.org, ahacg.com, cosmos-s.jp and interdax.ru share IP numbers with youxidao.com.cn.

Name Servers

youxidao.com.cn is delegated to two name servers dorthy.ns.cloudflare.com and rayden.ns.cloudflare.com.

youxidao.com.cn shares the same name server setup as other domains, for instance vj5d.com, biaonu.cn, xinyuanzx.com, zhenwozhihui.com and mostcf.com.

youxidao.com.cn at least partially shares name servers with other domains, for instance caballonas.com, electric-bike-centre.co.uk, hosting-mail.com, lasalletalavera.es and bentzfirm.com.

These name servers are commonly used alongside jen.ns.cloudflare.com and dayana.ns.cloudflare.com.

Host names with six IP numbers:

Host name dorthy.ns.cloudflare.com points to: 2606:4700:50::adf5:3af9, 2803:f800:50::6ca2:c0f9, 2a06:98c1:50::ac40:20f9, 108.162.192.249, 172.64.32.249 and 173.245.58.249.

Host name rayden.ns.cloudflare.com points to: 2606:4700:58::a29f:2ca3, 2803:f800:50::6ca2:c3a3, 2a06:98c1:50::ac40:23a3, 108.162.195.163, 162.159.44.163 and 172.64.35.163.

youxidao.com.cn - robtex.com

youxidao.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

`youxidao.com.cn`

`com.cn`