yopen.cn - robtex.com

yopen.cn

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:96de🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:66🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.0.102Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.150.222🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmemphis.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cbd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmemphis.ns.cloudflare.com
A2803:f800:50::6ca2:c3bd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmemphis.ns.cloudflare.com
A2a06:98c1:50::ac40:23bd🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmemphis.ns.cloudflare.com
A108.162.195.189🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmemphis.ns.cloudflare.com
A162.159.44.189Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmemphis.ns.cloudflare.com
A172.64.35.189🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmemphis.ns.cloudflare.com
NSvenus.ns.cloudflare.com
A2606:4700:50::adf5:3aeb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenus.ns.cloudflare.com
A2803:f800:50::6ca2:c0eb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvenus.ns.cloudflare.com
A2a06:98c1:50::ac40:20eb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvenus.ns.cloudflare.com
A108.162.192.235🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenus.ns.cloudflare.com
A172.64.32.235🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenus.ns.cloudflare.com
A173.245.58.235🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenus.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.0.102, 172.67.150.222
IPv6 hints2606:4700:3033::ac43:96de, 2606:4700:3034::6815:66
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=175, name=cloudflare-ech.com
SOAmemphis.ns.cloudflare.comdns@cloudflare.com serial=2399501472

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034624674

Same first word

yopen.cz
yopen.net
yopen.com
yopen.cn

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DNS History

15 records (6 active, 9 former)

20162017201820192020202120222023202420252026NSmemphis.ns.cloudflare.comvenus.ns.cloudflare.comdm1.longmingdns.comdm2.longmingdns.comns1.alidns.comns2.alidns.comMXmail.skrimple.comA104.21.0.102172.67.150.2222606:4700:3033::ac43:96de2606:4700:3034::6815:66124.16.31.152156.224.153.72205.164.14.67205.164.14.76
○NSdm1.longmingdns.com2026-03-05 → 2026-03-05 · 4 obs
○ 2017-04-08 17:21:10
● 2026-03-05 06:13:28
○ 2026-04-02 09:24:30
○ 2026-04-02 09:24:32
○NSdm2.longmingdns.com2026-03-05 → 2026-03-05 · 4 obs
○ 2017-04-08 17:21:10
● 2026-03-05 06:13:28
○ 2026-04-02 09:24:30
○ 2026-04-02 09:24:32
●NSmemphis.ns.cloudflare.com2026-04-02 → 2026-04-02 · 3 obs
○ 2026-03-05 06:13:28
● 2026-04-02 09:24:30
● 2026-04-02 09:24:32
○NSns1.alidns.com2015-10-22 → 2017-04-08 · 4 obs
● 2015-10-22 23:22:48
● 2017-04-08 17:21:10
○ 2026-03-05 06:13:28
○ 2026-04-02 09:24:32
○NSns2.alidns.com2015-10-22 → 2017-04-08 · 4 obs
● 2015-10-22 23:22:48
● 2017-04-08 17:21:10
○ 2026-03-05 06:13:28
○ 2026-04-02 09:24:32
●NSvenus.ns.cloudflare.com2026-04-02 → 2026-04-02 · 3 obs
○ 2026-03-05 06:13:28
● 2026-04-02 09:24:30
● 2026-04-02 09:24:32
○MXmail.skrimple.com2015-06-03 → 2015-06-03 · 3 obs
● 2015-06-03 05:07:44
○ 2015-10-22 23:22:48
○ 2026-04-02 09:24:32
●A104.21.0.1022026-04-02 → 2026-04-02 · 3 obs
○ 2026-03-05 06:13:28
● 2026-04-02 09:24:30
● 2026-04-02 09:24:32
○A124.16.31.1522015-10-22 → 2017-04-08 · 5 obs
○ 2015-06-03 05:07:44
● 2015-10-22 23:22:48
● 2017-04-08 17:21:10
○ 2026-03-05 06:13:28
○ 2026-04-02 09:24:32
○A156.224.153.722026-03-05 → 2026-03-05 · 4 obs
○ 2017-04-08 17:21:10
● 2026-03-05 06:13:28
○ 2026-04-02 09:24:30
○ 2026-04-02 09:24:32
●A172.67.150.2222026-04-02 → 2026-04-02 · 3 obs
○ 2026-03-05 06:13:28
● 2026-04-02 09:24:30
● 2026-04-02 09:24:32
○A205.164.14.672015-06-03 → 2015-06-03 · 3 obs
● 2015-06-03 05:07:44
○ 2015-10-22 23:22:48
○ 2026-04-02 09:24:32
○A205.164.14.762015-06-03 → 2015-06-03 · 3 obs
● 2015-06-03 05:07:44
○ 2026-03-05 06:13:28
○ 2026-04-02 09:24:32
●A2606:4700:3033::ac43:96de2026-04-02 → 2026-04-02 · 3 obs
○ 2026-03-05 06:13:28
● 2026-04-02 09:24:30
● 2026-04-02 09:24:32
●A2606:4700:3034::6815:662026-04-02 → 2026-04-02 · 3 obs
○ 2026-03-05 06:13:28
● 2026-04-02 09:24:30
● 2026-04-02 09:24:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnd.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn...-
yopen.cnvenus.ns.cloudflare.com, memphis.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.235

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yopen.cn (unsigned zone)

⏱️ Timing

Total: 758ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.0.102, 172.67.150.222
AAAA22606:4700:3034::6815:66, 2606:4700:3033::ac43:96de
NS2memphis.ns.cloudflare.com, venus.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1memphis.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

yopen.cn resolves to four IPs: 2606:4700:3033::ac43:96de, 2606:4700:3034::6815:66, 104.21.0.102 and 172.67.150.222.

Other host names, for instance mein(0x796f75706f726e).com, proaginc.com, afn.markito.in, luotuowangluo.com and www.mol36.ru share IP numbers with yopen.cn.

Name Servers

yopen.cn has two name servers: memphis.ns.cloudflare.com and venus.ns.cloudflare.com.

yopen.cn shares the same name server setup as other domains, for example 3acg.cn, motorcyclemaniac.net, priligyonlinemed.com, megaweb.cn and zk168.cn.

yopen.cn shares some name servers with other domains, for example directpartsuk.com, abselfreflectiontool.com, xxninja-cybersecurity.org, pin-up-casino-registratsiya.kz and eshaq.buzz.

These name servers are commonly used together with dante.ns.cloudflare.com and 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.