ecudsc.cn - robtex.com

ecudsc.cn

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8a52🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:26cc🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.204Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.82🇺🇸 Cloudflare172.67.128.0/20 , 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 hints104.21.38.204, 172.67.138.82
IPv6 hints2606:4700:3031::ac43:8a52, 2606:4700:3034::6815:26cc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=223, name=cloudflare-ech.com
SOAmemphis.ns.cloudflare.comdns@cloudflare.com serial=2399749254

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=2034663563
⚠️ On DNS blocklist: multi, pro, pro.plus, ultimate

Subdomains

www.ecudsc.cn

Same first word

ecudsc.cn

Similar names

cscedu.net
cscedu.com
cscedu.us
cusdec.com
ccsedu.com
educsc.no
cuceds.com
sucdec.com
ceusdc.com
ccsedu.org
ecdcus.org

DNS History

9 records (6 active, 3 former)

NSmemphis.ns.cloudflare.comvenus.ns.cloudflare.comdm1.longmingdns.comdm2.longmingdns.comA104.21.38.204172.67.138.822606:4700:3031::ac43:8a522606:4700:3034::6815:26cc38.38.81.77
○NSdm1.longmingdns.com2026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 20:40:56
○ 2026-03-28 09:05:46
○ 2026-04-12 20:34:02
○NSdm2.longmingdns.com2026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 20:40:56
○ 2026-03-28 09:05:46
○ 2026-04-12 20:34:02
●NSmemphis.ns.cloudflare.com2026-03-28 → 2026-04-12 · 3 obs
○ 2026-02-23 20:40:56
● 2026-03-28 09:05:46
● 2026-04-12 20:34:02
●NSvenus.ns.cloudflare.com2026-03-28 → 2026-04-12 · 3 obs
○ 2026-02-23 20:40:56
● 2026-03-28 09:05:46
● 2026-04-12 20:34:02
●A104.21.38.2042026-03-28 → 2026-04-12 · 3 obs
○ 2026-02-23 20:40:56
● 2026-03-28 09:05:46
● 2026-04-12 20:34:02
●A172.67.138.822026-03-28 → 2026-04-12 · 3 obs
○ 2026-02-23 20:40:56
● 2026-03-28 09:05:46
● 2026-04-12 20:34:02
●A2606:4700:3031::ac43:8a522026-03-28 → 2026-04-12 · 3 obs
○ 2026-02-23 20:40:56
● 2026-03-28 09:05:46
● 2026-04-12 20:34:02
●A2606:4700:3034::6815:26cc2026-03-28 → 2026-04-12 · 3 obs
○ 2026-02-23 20:40:56
● 2026-03-28 09:05:46
● 2026-04-12 20:34:02
○A38.38.81.772026-02-23 → 2026-02-23 · 3 obs
● 2026-02-23 20:40:56
○ 2026-03-28 09:05:46
○ 2026-04-12 20:34:02

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:173.245.58.235

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at ecudsc.cn: Error: DNS query timeout: 203.119.29.1 for DS ecudsc.cn

⏱️ Timing

Total: 3424ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.138.82, 104.21.38.204
AAAA22606:4700:3034::6815:26cc, 2606:4700:3031::ac43:8a52
NS2memphis.ns.cloudflare.com, venus.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1memphis.ns.cloudflare.com dns.cloudflare

Analysis

Hierarchy

ecudsc.cn is a parent of www.ecudsc.cn.

IP Addresses

ecudsc.cn resolves to four IPs: 2606:4700:3031::ac43:8a52, 2606:4700:3034::6815:26cc, 104.21.38.204 and 172.67.138.82.

Other host names such as www.alhambar.com, pafibojonegorokab.org, mail.tkimages.com, rmc-auto.com and rail.guide share IP numbers with ecudsc.cn.

Name Servers

ecudsc.cn is delegated to two name servers: memphis.ns.cloudflare.com and venus.ns.cloudflare.com.

ecudsc.cn uses the same name server setup as other domains, including 65904.cn, achieverbigdata.com, gemsjewelry.cn, gdclark.com and tel58.cn.

At least part of the name servers for ecudsc.cn are shared with other domains, for instance kennedycare.com, dailyglobalmedia.co.uk, imgsquid.com, alphaphoto.ru and sarthony.com.

These name servers are commonly used alongside the name servers dante.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.