`csscedu.com.cn`

DNSSEC	⚠️ Not signed
A	108.186.237.179^{🇺🇸 PEGTECHINC108.186.0.0/16 PEG TECH Inc. 11565 Old Ranch Ln Los Altos, CA 94024 US}
		PTR	`mail3.sxjljd.cc`
NS	`ns1.nowcndns.com` ⭐
		A	1.193.216.204^{🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network}
		A	218.98.111.129^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	218.98.111.138^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`ns2.nowcndns.com`
		A	61.158.128.11^{🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network}
			PTR	`11.128.158.61.ha.cnc`
		A	183.253.57.202^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
		A	211.99.99.38^{🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object}
SOA	`ns1.nowcndns.com`admin@nowcndns.com serial=1772716971

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030510918

WOT: NOT_SAFE (20/100)

Subdomains

www.csscedu.com.cn

Same first word

csscedu.com.cn

Similar names

ucsdcse.org

ucsdcse.com

ucsdcse.us

scscedu.com

ucsdces.com

duccess.com

DNS History

6 records (3 active, 3 former)

○NSns.dns.net.cn2015-08-17 → 2016-12-25 · 7 obs

● 2015-08-17 23:16:18
● 2015-12-05 04:02:50
○ 2015-12-06 23:54:42
● 2016-03-12 08:52:22
● 2016-12-25 00:20:58
○ 2026-03-28 01:08:00
○ 2026-04-12 15:28:22

●NSns1.nowcndns.com2026-03-28 → 2026-04-12 · 3 obs

○ 2016-12-25 00:20:58
● 2026-03-28 01:08:00
● 2026-04-12 15:28:22

●NSns2.nowcndns.com2026-03-28 → 2026-04-12 · 3 obs

○ 2016-12-25 00:20:58
● 2026-03-28 01:08:00
● 2026-04-12 15:28:22

○NSns20.dns.net.cn2015-12-05 → 2016-12-25 · 5 obs

○ 2015-08-17 23:16:18
● 2015-12-05 04:02:50
● 2016-12-25 00:20:58
○ 2026-03-28 01:08:00
○ 2026-04-12 15:28:22

○NSns7.dns.net.cn2015-08-17 → 2016-12-25 · 6 obs

● 2015-08-17 23:16:18
● 2015-12-06 23:54:42
○ 2016-03-12 08:52:22
● 2016-12-25 00:20:58
○ 2026-03-28 01:08:00
○ 2026-04-12 15:28:22

●A108.186.237.1792026-03-28 → 2026-04-12 · 2 obs

● 2026-03-28 01:08:00
● 2026-04-12 15:28:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
csscedu.com.cn	ns1.nowcndns.com, ns2.nowcndns.com	-

✅ Authoritative Response

Server:211.99.99.38

NS records: ns1.nowcndns.com, ns2.nowcndns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csscedu.com.cn (unsigned zone)

⏱️ Timing

Total: 3226ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`108.186.237.179`
NS	2	`ns1.nowcndns.com, ns2.nowcndns.com`
SOA	1	`ns1.nowcndns.com admin.nowcndns.com`

Analysis

Hierarchy

The parent of www.csscedu.com.cn is csscedu.com.cn.

IP Addresses

csscedu.com.cn points to a single IP address: 108.186.237.179.

Other host names such as ihizi.cn, www.ihizi.cn, tvcm.cn and www.csscedu.com.cn share IP numbers with csscedu.com.cn.

Name Servers

Two name servers ns1.nowcndns.com and ns2.nowcndns.com handle the delegation for csscedu.com.cn.

csscedu.com.cn shares the same name server setup as other domains, for example om0yny.cn, nw2.com.cn, cbewa.cn, bjtongzhi.com.cn and ra08.cn.

Host names with three IP numbers:

ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138; ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38.

csscedu.com.cn - robtex.com

csscedu.com.cn

com.cn