51pass.cn - robtex.com

51pass.cn

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:108e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:d4f6🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.142Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.212.246🇺🇸 Cloudflare172.67.208.0/20 , 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 hints104.21.16.142, 172.67.212.246
IPv6 hints2606:4700:3035::6815:108e, 2606:4700:3036::ac43:d4f6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=247, name=cloudflare-ech.com
SOAmemphis.ns.cloudflare.comdns@cloudflare.com serial=2399501944

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=2034685585

Subdomains

www.51pass.cn

Same first word

51pass.cn

DNS History

12 records (6 active, 6 former)

201820192020202120222023202420252026NSmemphis.ns.cloudflare.comvenus.ns.cloudflare.comdm1.longmingdns.comdm2.longmingdns.comdns10.hichina.comdns9.hichina.comA104.21.16.142172.67.212.2462606:4700:3035::6815:108e2606:4700:3036::ac43:d4f6156.224.149.114180.76.237.15
○NSdm1.longmingdns.com2026-03-28 → 2026-04-18 · 2 obs
○ 2026-03-28 22:03:24
○ 2026-04-18 22:49:52
○NSdm2.longmingdns.com2026-03-28 → 2026-04-18 · 2 obs
○ 2026-03-28 22:03:24
○ 2026-04-18 22:49:52
○NSdns10.hichina.com2017-12-13 → 2017-12-13 · 3 obs
● 2017-12-13 21:45:24
○ 2026-03-28 22:03:24
○ 2026-04-18 22:49:52
○NSdns9.hichina.com2017-12-13 → 2017-12-13 · 3 obs
● 2017-12-13 21:45:24
○ 2026-03-28 22:03:24
○ 2026-04-18 22:49:52
●NSmemphis.ns.cloudflare.com2026-03-28 → 2026-04-18 · 3 obs
○ 2017-12-13 21:45:24
● 2026-03-28 22:03:24
● 2026-04-18 22:49:52
●NSvenus.ns.cloudflare.com2026-03-28 → 2026-04-18 · 3 obs
○ 2017-12-13 21:45:24
● 2026-03-28 22:03:24
● 2026-04-18 22:49:52
●A104.21.16.1422026-03-28 → 2026-04-18 · 3 obs
○ 2017-12-13 21:45:24
● 2026-03-28 22:03:24
● 2026-04-18 22:49:52
○A156.224.149.1142026-03-28 → 2026-04-18 · 2 obs
○ 2026-03-28 22:03:24
○ 2026-04-18 22:49:52
●A172.67.212.2462026-03-28 → 2026-04-18 · 3 obs
○ 2017-12-13 21:45:24
● 2026-03-28 22:03:24
● 2026-04-18 22:49:52
○A180.76.237.152017-12-13 → 2017-12-13 · 3 obs
● 2017-12-13 21:45:24
○ 2026-03-28 22:03:24
○ 2026-04-18 22:49:52
●A2606:4700:3035::6815:108e2026-03-28 → 2026-04-18 · 3 obs
○ 2017-12-13 21:45:24
● 2026-03-28 22:03:24
● 2026-04-18 22:49:52
●A2606:4700:3036::ac43:d4f62026-03-28 → 2026-04-18 · 3 obs
○ 2017-12-13 21:45:24
● 2026-03-28 22:03:24
● 2026-04-18 22:49:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cne.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
51pass.cnvenus.ns.cloudflare.com, memphis.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.189

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3536ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.212.246, 104.21.16.142
AAAA22606:4700:3035::6815:108e, 2606:4700:3036::ac43:d4f6
NS2memphis.ns.cloudflare.com, venus.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1memphis.ns.cloudflare.com dns.cloudflare

Analysis

Hierarchy

51pass.cn is the parent of www.51pass.cn.

IP Addresses

Four IP numbers are pointed to by 51pass.cn: 2606:4700:3035::6815:108e, 2606:4700:3036::ac43:d4f6, 104.21.16.142 and 172.67.212.246.

other host names including vxelgjpr.run, chopstickchronicles.com, my.qqsw.im, fsshenghai.com and vissol.vissol.com share IP numbers with 51pass.cn.

Name Servers

51pass.cn is delegated to two name servers memphis.ns.cloudflare.com and venus.ns.cloudflare.com.

51pass.cn shares the same name server setup as other domains, for instance xdjd.net, xxlin.com, ygdiy.com, nxdog.com and jointowin.net.

51pass.cn at least partially shares name servers with other domains, for instance wlypp.com, renewl.art, tokpet.com, tiroch-art.com and treecitiesoftheworld.org.

These name servers are commonly used alongside nick.ns.cloudflare.com and dante.ns.cloudflare.com.

Host names with six IP numbers:

Host name 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.

Host name 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.