21msk.cn - robtex.com

21msk.cn

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:a02f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:993🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.9.147Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.160.47🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarmando.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ce1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmando.ns.cloudflare.com
A2803:f800:50::6ca2:c3e1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRarmando.ns.cloudflare.com
A2a06:98c1:50::ac40:23e1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRarmando.ns.cloudflare.com
A108.162.195.225🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmando.ns.cloudflare.com
A162.159.44.225Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmando.ns.cloudflare.com
A172.64.35.225🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmando.ns.cloudflare.com
NSharleigh.ns.cloudflare.com
A2606:4700:50::a29f:263a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharleigh.ns.cloudflare.com
A2803:f800:50::6ca2:c23a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRharleigh.ns.cloudflare.com
A2a06:98c1:50::ac40:223a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRharleigh.ns.cloudflare.com
A108.162.194.58🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharleigh.ns.cloudflare.com
A162.159.38.58Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharleigh.ns.cloudflare.com
A172.64.34.58🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharleigh.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.9.147, 172.67.160.47
IPv6 hints2606:4700:3031::ac43:a02f, 2606:4700:3037::6815:993
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=159, name=cloudflare-ech.com
SOAarmando.ns.cloudflare.comdns@cloudflare.com serial=2402115740

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=2034772792

Same first word

21msk.cn

Similar names

kms21.com
21ksm.com
sk21m.com
msk12.com
smk21.com

DNS History

10 records (6 active, 4 former)

NSarmando.ns.cloudflare.comharleigh.ns.cloudflare.comA104.21.9.147172.67.160.472606:4700:3031::ac43:a02f2606:4700:3037::6815:993188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSarmando.ns.cloudflare.com2026-04-15 → 2026-05-10 · 2 obs
● 2026-04-15 21:09:12
● 2026-05-10 01:43:56
●NSharleigh.ns.cloudflare.com2026-04-15 → 2026-05-10 · 2 obs
● 2026-04-15 21:09:12
● 2026-05-10 01:43:56
●A104.21.9.1472026-04-15 → 2026-05-10 · 4 obs
● 2026-04-15 21:09:12
○ 2026-04-15 21:41:32
● 2026-04-27 09:47:40
● 2026-05-10 01:43:56
●A172.67.160.472026-04-15 → 2026-05-10 · 4 obs
● 2026-04-15 21:09:12
○ 2026-04-15 21:41:32
● 2026-04-27 09:47:40
● 2026-05-10 01:43:56
○A188.114.96.02026-04-15 → 2026-04-15 · 4 obs
○ 2026-04-15 21:09:12
● 2026-04-15 21:41:32
○ 2026-04-27 09:47:40
○ 2026-05-10 01:43:56
○A188.114.97.02026-04-15 → 2026-04-15 · 4 obs
○ 2026-04-15 21:09:12
● 2026-04-15 21:41:32
○ 2026-04-27 09:47:40
○ 2026-05-10 01:43:56
●A2606:4700:3031::ac43:a02f2026-04-15 → 2026-05-10 · 4 obs
● 2026-04-15 21:09:12
○ 2026-04-15 21:41:32
● 2026-04-27 09:47:40
● 2026-05-10 01:43:56
●A2606:4700:3037::6815:9932026-04-15 → 2026-05-10 · 4 obs
● 2026-04-15 21:09:12
○ 2026-04-15 21:41:32
● 2026-04-27 09:47:40
● 2026-05-10 01:43:56
○A2a06:98c1:3120::2026-04-15 → 2026-04-15 · 4 obs
○ 2026-04-15 21:09:12
● 2026-04-15 21:41:32
○ 2026-04-27 09:47:40
○ 2026-05-10 01:43:56
○A2a06:98c1:3121::2026-04-15 → 2026-04-15 · 4 obs
○ 2026-04-15 21:09:12
● 2026-04-15 21:41:32
○ 2026-04-27 09:47:40
○ 2026-05-10 01:43:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnc.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn...-
21msk.cnarmando.ns.cloudflare.com, harleigh.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.225

NS records: armando.ns.cloudflare.com, harleigh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21msk.cn (unsigned zone)

⏱️ Timing

Total: 689ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.160.47, 104.21.9.147
AAAA22606:4700:3031::ac43:a02f, 2606:4700:3037::6815:993
NS2armando.ns.cloudflare.com, harleigh.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1armando.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

21msk.cn maps to four IP numbers: 2606:4700:3031::ac43:a02f, 2606:4700:3037::6815:993, 104.21.9.147 and 172.67.160.47.

other host names include sakaryaotopazari.com, sleepplus.co.kr, mxrp.stakingsreward.club, 670caa390ac1.dc-0c69ff97b54e.shaun.codes and suochina.com; they share IP numbers with 21msk.cn.

Name Servers

Two name servers armando.ns.cloudflare.com and harleigh.ns.cloudflare.com handle the delegation for 21msk.cn.

21msk.cn shares the same name server setup as other domains, for instance goldfloor.cn, eqna.cn, hjmjgy.com, usbadmin.com and mcookware.cn.

21msk.cn at least partially shares name servers with other domains, for instance lifeinsurancesupport.live, nilihua.com, brxobd.dog, japanzoajpn.shop and nyscapitalgroup.com.

These name servers are commonly used with the following: ines.ns.cloudflare.com, malcolm.ns.cloudflare.com, josh.ns.cloudflare.com and sima.ns.cloudflare.com.

Six IP addresses per host:

armando.ns.cloudflare.com points to 2606:4700:58::a29f:2ce1, 2803:f800:50::6ca2:c3e1, 2a06:98c1:50::ac40:23e1, 108.162.195.225, 162.159.44.225 and 172.64.35.225; harleigh.ns.cloudflare.com points to 2606:4700:50::a29f:263a, 2803:f800:50::6ca2:c23a, 2a06:98c1:50::ac40:223a, 108.162.194.58, 162.159.38.58 and 172.64.34.58