21cn56.com.cn - robtex.com

21cn56.com.cn

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:c3ca🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:4484🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.68.132Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.195.202🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSaustin.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b46🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaustin.ns.cloudflare.com
A2803:f800:50::6ca2:c146🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRaustin.ns.cloudflare.com
A2a06:98c1:50::ac40:2146🇺🇸 Cloudflare2a06:98c1:50::/45
PTRaustin.ns.cloudflare.com
A108.162.193.70🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaustin.ns.cloudflare.com
A172.64.33.70🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaustin.ns.cloudflare.com
A173.245.59.70🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRaustin.ns.cloudflare.com
NSfrida.ns.cloudflare.com
A2606:4700:50::a29f:2689🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfrida.ns.cloudflare.com
A2803:f800:50::6ca2:c289🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRfrida.ns.cloudflare.com
A2a06:98c1:50::ac40:2289🇺🇸 Cloudflare2a06:98c1:50::/45
PTRfrida.ns.cloudflare.com
A108.162.194.137🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfrida.ns.cloudflare.com
A162.159.38.137Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfrida.ns.cloudflare.com
A172.64.34.137🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfrida.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.68.132, 172.67.195.202
IPv6 hints2606:4700:3033::ac43:c3ca, 2606:4700:3034::6815:4484
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=76, name=cloudflare-ech.com
SOAaustin.ns.cloudflare.comdns@cloudflare.com serial=2402205376

com.cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ ⚠️ Not in parent delegation
NSb.dns.cn ⚠️ Not in parent delegation
NSc.dns.cn ⚠️ Not in parent delegation
NScns.cernet.net ⚠️ Not in parent delegation
NSd.dns.cn ⚠️ Not in parent delegation
NSe.dns.cn ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2030560743
WOT: NOT_SAFE (20/100)

Same first word

21cn56.com.cn

Similar names

cn5612.com
cn5612.cn

DNS History

16 records (6 active, 10 former)

20162017201820192020202120222023202420252026NSaustin.ns.cloudflare.comfrida.ns.cloudflare.comjm1.dns.comjm2.dns.comns1.51dns.comns1.nowcndns.comns2.51dns.comns2.nowcndns.comA104.21.68.132172.67.195.2022606:4700:3033::ac43:c3ca2606:4700:3034::6815:4484154.90.242.149172.87.196.189173.247.235.13538.177.130.149
●NSaustin.ns.cloudflare.com2026-04-27 → 2026-05-11 · 3 obs
○ 2026-04-11 17:36:42
● 2026-04-27 13:01:58
● 2026-05-11 00:08:46
●NSfrida.ns.cloudflare.com2026-04-27 → 2026-05-11 · 3 obs
○ 2026-04-11 17:36:42
● 2026-04-27 13:01:58
● 2026-05-11 00:08:46
○NSjm1.dns.com2019-03-10 → 2019-03-10 · 4 obs
○ 2016-02-09 16:07:56
● 2019-03-10 07:52:44
○ 2026-02-26 07:54:28
○ 2026-05-11 00:08:46
○NSjm2.dns.com2019-03-10 → 2019-03-10 · 4 obs
○ 2016-02-09 16:07:56
● 2019-03-10 07:52:44
○ 2026-02-26 07:54:28
○ 2026-05-11 00:08:46
○NSns1.51dns.com2015-07-09 → 2015-11-17 · 4 obs
● 2015-07-09 16:37:10
● 2015-11-17 20:00:02
○ 2016-02-09 16:07:56
○ 2026-05-11 00:08:46
○NSns1.nowcndns.com2026-02-26 → 2026-04-11 · 5 obs
○ 2019-03-10 07:52:44
● 2026-02-26 07:54:28
● 2026-04-11 17:36:42
○ 2026-04-27 13:01:58
○ 2026-05-11 00:08:46
○NSns2.51dns.com2015-11-17 → 2015-11-17 · 4 obs
○ 2015-07-09 16:37:10
● 2015-11-17 20:00:02
○ 2016-02-09 16:07:56
○ 2026-05-11 00:08:46
○NSns2.nowcndns.com2026-02-26 → 2026-04-11 · 5 obs
○ 2019-03-10 07:52:44
● 2026-02-26 07:54:28
● 2026-04-11 17:36:42
○ 2026-04-27 13:01:58
○ 2026-05-11 00:08:46
●A104.21.68.1322026-04-27 → 2026-05-11 · 3 obs
○ 2026-04-11 17:36:42
● 2026-04-27 13:01:58
● 2026-05-11 00:08:46
○A154.90.242.1492026-02-26 → 2026-03-26 · 5 obs
○ 2019-03-10 07:52:44
● 2026-02-26 07:54:28
● 2026-03-26 19:38:56
○ 2026-04-11 17:36:42
○ 2026-05-11 00:08:46
●A172.67.195.2022026-04-27 → 2026-05-11 · 3 obs
○ 2026-04-11 17:36:42
● 2026-04-27 13:01:58
● 2026-05-11 00:08:46
○A172.87.196.1892019-03-10 → 2019-03-10 · 4 obs
○ 2016-02-09 16:07:56
● 2019-03-10 07:52:44
○ 2026-02-26 07:54:28
○ 2026-05-11 00:08:46
○A173.247.235.1352015-07-09 → 2015-11-17 · 4 obs
● 2015-07-09 16:37:10
● 2015-11-17 20:00:02
○ 2016-02-09 16:07:56
○ 2026-05-11 00:08:46
●A2606:4700:3033::ac43:c3ca2026-04-27 → 2026-05-11 · 3 obs
○ 2026-04-11 17:36:42
● 2026-04-27 13:01:58
● 2026-05-11 00:08:46
●A2606:4700:3034::6815:44842026-04-27 → 2026-05-11 · 3 obs
○ 2026-04-11 17:36:42
● 2026-04-27 13:01:58
● 2026-05-11 00:08:46
○A38.177.130.1492026-04-11 → 2026-04-11 · 4 obs
○ 2026-03-26 19:38:56
● 2026-04-11 17:36:42
○ 2026-04-27 13:01:58
○ 2026-05-11 00:08:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
21cn56.com.cnfrida.ns.cloudflare.com, austin.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.70

NS records: frida.ns.cloudflare.com, austin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21cn56.com.cn (unsigned zone)

⏱️ Timing

Total: 562ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.195.202, 104.21.68.132
AAAA22606:4700:3034::6815:4484, 2606:4700:3033::ac43:c3ca
NS2austin.ns.cloudflare.com, frida.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1austin.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

Four IP numbers are pointed to by 21cn56.com.cn: 2606:4700:3033::ac43:c3ca, 2606:4700:3034::6815:4484, 104.21.68.132 and 172.67.195.202.

other host names including videogog.com, hermes1.buzzcapture.com, asshatgaming.com, imgevents.com and cdn-assets.dprcdn.net share IP numbers with 21cn56.com.cn.

Name Servers

21cn56.com.cn is delegated to two name servers austin.ns.cloudflare.com and frida.ns.cloudflare.com.

21cn56.com.cn shares the same name server setup as other domains, for instance zinoku.com.cn, dffk.com.cn, nsse.org.cn, risda.com.cn and googlerank.com.cn.

21cn56.com.cn at least partially shares name servers with other domains, for instance centralizechain.pages.dev, euth.link, carairsprings.com, poec01mstr3q16b.dxp.optimizely.com and dujigiisindustries.click.

These name servers are commonly used with norah.ns.cloudflare.com, miki.ns.cloudflare.com, anton.ns.cloudflare.com, adel.ns.cloudflare.com and pola.ns.cloudflare.com.

Host names with six IP numbers:

Host name austin.ns.cloudflare.com points to: 2606:4700:58::adf5:3b46, 2803:f800:50::6ca2:c146, 2a06:98c1:50::ac40:2146, 108.162.193.70, 172.64.33.70 and 173.245.59.70.

Host name frida.ns.cloudflare.com points to: 2606:4700:50::a29f:2689, 2803:f800:50::6ca2:c289, 2a06:98c1:50::ac40:2289, 108.162.194.137, 162.159.38.137 and 172.64.34.137.