`china-csdc.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:48c0^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:9a8a^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.192^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.138^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elinore.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a99^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c099^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elinore.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2099^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elinore.ns.cloudflare.com`
		A	108.162.192.153^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	172.64.32.153^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	173.245.58.153^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
NS	`terin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`terin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`terin.ns.cloudflare.com`
		A	108.162.193.236^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
		A	172.64.33.236^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
		A	173.245.59.236^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.72.192, 172.67.154.138
		IPv6 hints	2606:4700:3031::6815:48c0, 2606:4700:3035::ac43:9a8a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=214, name=cloudflare-ech.com
SOA	`elinore.ns.cloudflare.com`dns@cloudflare.com serial=2408229845

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785635657

rank #817276 globally
rank #348418 in the tld

Same first word

china-csdc.com

DNS History

19 records (6 active, 13 former)

○NSdns10.hichina.com2016-01-03 → 2016-09-24 · 5 obs

○ 2015-08-11 07:21:06
● 2016-01-03 06:21:30
● 2016-09-24 01:35:54
○ 2017-05-26 16:50:46
○ 2026-08-02 02:08:28

○NSdns9.hichina.com2016-01-03 → 2016-09-24 · 5 obs

○ 2015-08-11 07:21:06
● 2016-01-03 06:21:30
● 2016-09-24 01:35:54
○ 2017-05-26 16:50:46
○ 2026-08-02 02:08:28

●NSelinore.ns.cloudflare.com2026-07-14 → 2026-08-02 · 3 obs

○ 2026-06-17 21:20:10
● 2026-07-14 08:59:16
● 2026-08-02 02:08:28

○NSexpirens3.hichina.com2017-05-26 → 2017-05-26 · 4 obs

○ 2016-09-24 01:35:54
● 2017-05-26 16:50:46
○ 2026-05-22 07:07:56
○ 2026-08-02 02:08:28

○NSexpirens4.hichina.com2017-05-26 → 2017-05-26 · 4 obs

○ 2016-09-24 01:35:54
● 2017-05-26 16:50:46
○ 2026-05-22 07:07:56
○ 2026-08-02 02:08:28

○NSf1g1ns1.dnspod.net2015-08-11 → 2015-08-11 · 3 obs

● 2015-08-11 07:21:06
○ 2016-01-03 06:21:30
○ 2026-08-02 02:08:28

○NSf1g1ns2.dnspod.net2015-08-11 → 2015-08-11 · 3 obs

● 2015-08-11 07:21:06
○ 2016-01-03 06:21:30
○ 2026-08-02 02:08:28

○NSns1.dns.com2026-05-22 → 2026-06-17 · 5 obs

○ 2017-05-26 16:50:46
● 2026-05-22 07:07:56
● 2026-06-17 21:20:10
○ 2026-07-14 08:59:16
○ 2026-08-02 02:08:28

○NSns2.dns.com2026-05-22 → 2026-06-17 · 5 obs

○ 2017-05-26 16:50:46
● 2026-05-22 07:07:56
● 2026-06-17 21:20:10
○ 2026-07-14 08:59:16
○ 2026-08-02 02:08:28

●NSterin.ns.cloudflare.com2026-07-14 → 2026-08-02 · 3 obs

○ 2026-06-17 21:20:10
● 2026-07-14 08:59:16
● 2026-08-02 02:08:28

●A104.21.72.1922026-07-14 → 2026-08-02 · 3 obs

○ 2026-06-17 21:20:10
● 2026-07-14 08:59:16
● 2026-08-02 02:08:28

○A107.163.33.2212026-05-22 → 2026-06-17 · 5 obs

○ 2017-05-26 16:50:46
● 2026-05-22 07:07:56
● 2026-06-17 21:20:10
○ 2026-07-14 08:59:16
○ 2026-08-02 02:08:28

○A107.163.47.2472026-05-22 → 2026-06-17 · 5 obs

○ 2017-05-26 16:50:46
● 2026-05-22 07:07:56
● 2026-06-17 21:20:10
○ 2026-07-14 08:59:16
○ 2026-08-02 02:08:28

○A119.28.3.1032015-08-11 → 2015-08-11 · 3 obs

● 2015-08-11 07:21:06
○ 2016-01-03 06:21:30
○ 2026-08-02 02:08:28

○A123.57.24.92016-01-03 → 2016-09-24 · 5 obs

○ 2015-08-11 07:21:06
● 2016-01-03 06:21:30
● 2016-09-24 01:35:54
○ 2017-05-26 16:50:46
○ 2026-08-02 02:08:28

●A172.67.154.1382026-07-14 → 2026-08-02 · 3 obs

○ 2026-06-17 21:20:10
● 2026-07-14 08:59:16
● 2026-08-02 02:08:28

●A2606:4700:3031::6815:48c02026-07-14 → 2026-08-02 · 3 obs

○ 2026-06-17 21:20:10
● 2026-07-14 08:59:16
● 2026-08-02 02:08:28

●A2606:4700:3035::ac43:9a8a2026-07-14 → 2026-08-02 · 3 obs

○ 2026-06-17 21:20:10
● 2026-07-14 08:59:16
● 2026-08-02 02:08:28

○A47.89.58.1412017-05-26 → 2017-05-26 · 4 obs

○ 2016-09-24 01:35:54
● 2017-05-26 16:50:46
○ 2026-05-22 07:07:56
○ 2026-08-02 02:08:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
china-csdc.com	elinore.ns.cloudflare.com, terin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.236

NS records: elinore.ns.cloudflare.com, terin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for china-csdc.com (unsigned zone)

⏱️ Timing

Total: 154ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.72.192, 172.67.154.138`
AAAA	2	`2606:4700:3031::6815:48c0, 2606:4700:3035::ac43:9a8a`
NS	2	`elinore.ns.cloudflare.com, terin.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elinore.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (elinore.ns.cloudflare.com, elinore.ns.cloudflare.com, elinore.ns.cloudflare.com...)

Analysis

IP Addresses

china-csdc.com has four IP addresses: 104.21.72.192, 172.67.154.138, 2606:4700:3031::6815:48c0 and 2606:4700:3035::ac43:9a8a.

www.training-spark.com, 5552727.com, bozemancurlingclub.com plus two other host names have IP numbers in common with china-csdc.com.

Name Servers

Two name servers handle the delegation for china-csdc.com: elinore.ns.cloudflare.com and terin.ns.cloudflare.com.

The name server configuration of china-csdc.com is shared with other domains, for instance fm0415.com, ljwchina.com, schoolzworld.com and two others.

china-csdc.com shares at least some of its name servers with other domains, including okaaz.net, a-rete.com, proscamman.pro and two others.

These name servers are frequently seen alongside the name servers jade.ns.cloudflare.com.

Hosts with 6 IP addresses each:

elinore.ns.cloudflare.com resolves to 108.162.192.153, 172.64.32.153 and 173.245.58.153 among others, with 3 other IP addresses in total.

terin.ns.cloudflare.com resolves to 108.162.193.236, 172.64.33.236 and 173.245.59.236 among others, with 3 other IP addresses in total.

china-csdc.com - robtex.com

china-csdc.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`china-csdc.com`

`com`