studychain.cn - robtex.com

πŸ›‘οΈDomain Reputation CheckBlocklist, phishing & malware statusβ†’

studychain.cn

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:194cπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3037::ac43:dff7πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.25.76Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.223.247πŸ‡ΊπŸ‡Έ Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSguy.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3badπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguy.ns.cloudflare.com
A2803:f800:50::6ca2:c1adπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRguy.ns.cloudflare.com
A2a06:98c1:50::ac40:21adπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRguy.ns.cloudflare.com
A108.162.193.173πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguy.ns.cloudflare.com
A172.64.33.173πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguy.ns.cloudflare.com
A173.245.59.173πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguy.ns.cloudflare.com
NSjocelyn.ns.cloudflare.com
A2606:4700:50::adf5:3aaeπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjocelyn.ns.cloudflare.com
A2803:f800:50::6ca2:c0aeπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjocelyn.ns.cloudflare.com
A2a06:98c1:50::ac40:20aeπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRjocelyn.ns.cloudflare.com
A108.162.192.174πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjocelyn.ns.cloudflare.com
A172.64.32.174πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjocelyn.ns.cloudflare.com
A173.245.58.174πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjocelyn.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.25.76, 172.67.223.247
IPv6 hints2606:4700:3035::6815:194c, 2606:4700:3037::ac43:dff7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=182, name=cloudflare-ech.com
SOAguy.ns.cloudflare.comdns@cloudflare.com serial=2413073463

cn

DNSSECπŸ”’ 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=2035461059

Same first word

Similar names

Previous names

Next names

DNS History

10 records (6 active, 4 former)

NSguy.ns.cloudflare.comjocelyn.ns.cloudflare.comA104.21.25.76172.67.223.2472606:4700:3035::6815:194c2606:4700:3037::ac43:dff7188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSguy.ns.cloudflare.com2026-09-01 β†’ 2026-10-20 Β· 2 obs
● 2026-09-01 15:20:28
● 2026-10-20 18:15:52
●NSjocelyn.ns.cloudflare.com2026-09-01 β†’ 2026-10-20 Β· 2 obs
● 2026-09-01 15:20:28
● 2026-10-20 18:15:52
●A104.21.25.762026-10-10 β†’ 2026-10-20 Β· 3 obs
β—‹ 2026-09-01 15:20:28
● 2026-10-10 16:34:48
● 2026-10-20 18:15:52
●A172.67.223.2472026-10-10 β†’ 2026-10-20 Β· 3 obs
β—‹ 2026-09-01 15:20:28
● 2026-10-10 16:34:48
● 2026-10-20 18:15:52
β—‹A188.114.96.02026-09-01 β†’ 2026-09-01 Β· 3 obs
● 2026-09-01 15:20:28
β—‹ 2026-10-10 16:34:48
β—‹ 2026-10-20 18:15:52
β—‹A188.114.97.02026-09-01 β†’ 2026-09-01 Β· 3 obs
● 2026-09-01 15:20:28
β—‹ 2026-10-10 16:34:48
β—‹ 2026-10-20 18:15:52
●A2606:4700:3035::6815:194c2026-10-10 β†’ 2026-10-20 Β· 3 obs
β—‹ 2026-09-01 15:20:28
● 2026-10-10 16:34:48
● 2026-10-20 18:15:52
●A2606:4700:3037::ac43:dff72026-10-10 β†’ 2026-10-20 Β· 3 obs
β—‹ 2026-09-01 15:20:28
● 2026-10-10 16:34:48
● 2026-10-20 18:15:52
β—‹A2a06:98c1:3120::2026-09-01 β†’ 2026-09-01 Β· 3 obs
● 2026-09-01 15:20:28
β—‹ 2026-10-10 16:34:48
β—‹ 2026-10-20 18:15:52
β—‹A2a06:98c1:3121::2026-09-01 β†’ 2026-09-01 Β· 3 obs
● 2026-09-01 15:20:28
β—‹ 2026-10-10 16:34:48
β—‹ 2026-10-20 18:15:52

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
studychain.cnguy.ns.cloudflare.com, jocelyn.ns.cloudflare.com-

βœ… Authoritative Response

Server:108.162.193.173

NS records: guy.ns.cloudflare.com, jocelyn.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 1740ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.25.76, 172.67.223.247
AAAA22606:4700:3035::6815:194c, 2606:4700:3037::ac43:dff7
NS2guy.ns.cloudflare.com, jocelyn.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1guy.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

studychain.cn directs to four IP numbers, which are 104.21.25.76, 172.67.223.247, 2606:4700:3035::6815:194c and 2606:4700:3037::ac43:dff7.

Two other host names, along with bcgame-apk.net, nurulilmicilamayaulu.ponpes.id and pymoperozo.pro, also share IP numbers with studychain.cn.

Name Servers

The NS records for studychain.cn delegate to guy.ns.cloudflare.com and jocelyn.ns.cloudflare.com.

studychain.cn shares its NS records with other domains, for example masterpower.cn, shuanping.cn, fyxny.cn and two others.

The name servers of studychain.cn overlap at least partially with those of other domains β€” among them weareonajourney.pages.dev, elenizante.gr, web-mlh.pages.dev and two more.

These name servers commonly appear alongside the name servers marty.ns.cloudflare.com and santino.ns.cloudflare.com.

DNS names with 6 IP addresses:

guy.ns.cloudflare.com maps to 108.162.193.173, 172.64.33.173, 173.245.59.173 and 3 additional IP addresses.

jocelyn.ns.cloudflare.com maps to 108.162.192.174, 172.64.32.174, 173.245.58.174 and 3 additional IP addresses.