`sharecourse.cn`

DNSSEC	⚠️ Not signed
A	38.177.148.107^{🇺🇸 AS39847838.177.128.0/18 PEG TECH INC PT-82}
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=1773125601

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034663668

Same first word

sharecourse.com

sharecourse.net

sharecourse.cn

Similar names

DNS History

4 records (3 active, 1 former)

●NSns1.nowcndns.com2026-03-01 → 2026-04-12 · 2 obs

● 2026-03-01 08:14:24
● 2026-04-12 21:45:16

●NSns2.nowcndns.com2026-03-01 → 2026-04-12 · 2 obs

● 2026-03-01 08:14:24
● 2026-04-12 21:45:16

○A38.14.5.1312026-03-01 → 2026-03-01 · 2 obs

● 2026-03-01 08:14:24
○ 2026-04-12 21:45:16

●A38.177.148.1072026-04-12 → 2026-04-12 · 2 obs

○ 2026-03-01 08:14:24
● 2026-04-12 21:45:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
sharecourse.cn	ns1.nowcndns.com, ns2.nowcndns.com	-

✅ Authoritative Response

Server:218.98.111.129

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sharecourse.cn (unsigned zone)

⏱️ Timing

Total: 1823ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.177.148.107`
NS	2	`ns1.nowcndns.com, ns2.nowcndns.com`
SOA	1	`ns1.nowcndns.com admin.nowcndns.com`

Analysis

IP Addresses

sharecourse.cn points to a single IP number: 38.177.148.107.

Other host names, for instance sbqweb.com.cn, xianjj.com.cn, yxtax.cn, kshsjx.cn and rbtcargo.cn share IP numbers with sharecourse.cn.

Name Servers

Delegation for sharecourse.cn rests with two name servers, ns1.nowcndns.com and ns2.nowcndns.com.

sharecourse.cn shares the same name server setup as other domains, including zsnh.cn, go-smile.com.cn, 600094.cn, head.org.cn and elmiron.cn.

Host names with three IP numbers: The host name ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138; The host name ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38.

sharecourse.cn - robtex.com

sharecourse.cn

cn