`engstudy.org.cn`

DNSSEC	⚠️ Not signed
A	172.247.21.96^{🇺🇸 CNSERVERSLLC172.247.21.0/24 Proxy-registered route object}
NS	`ns1.sharesdns.com` ⭐
		A	154.23.191.194^{🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.86.21.194^{🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`ns2.sharesdns.com`
		A	154.23.191.195^{🇺🇸 HKCICL-AS-AP154.23.191.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	154.86.21.195^{🇭🇰 HKCICL-AS-AP154.86.21.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
SOA	`ns1.sharesdns.com`admin@sharesdns.com serial=1775115167

`org.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=2027846543

WOT: SAFE (27/100)

Subdomains

www.engstudy.org.cn

Same first word

engstudy.org.cn

Similar names

studygen.com

genstudy.com

genstudy.net

DNS History

7 records (3 active, 4 former)

●NSns1.sharesdns.com2026-03-22 → 2026-04-19 · 3 obs

○ 2017-03-30 20:27:06
● 2026-03-22 09:31:40
● 2026-04-19 22:37:34

●NSns2.sharesdns.com2026-03-22 → 2026-04-19 · 3 obs

○ 2017-03-30 20:27:06
● 2026-03-22 09:31:40
● 2026-04-19 22:37:34

○NSns5010.01isp.com2015-06-27 → 2017-03-30 · 4 obs

● 2015-06-27 19:44:56
● 2017-03-30 20:27:06
○ 2026-03-22 09:31:40
○ 2026-04-19 22:37:34

○NSns5011.01isp.cn2015-11-08 → 2017-03-30 · 5 obs

○ 2015-06-27 19:44:56
● 2015-11-08 06:33:10
● 2017-03-30 20:27:06
○ 2026-03-22 09:31:40
○ 2026-04-19 22:37:34

○A113.10.149.1912015-06-27 → 2017-03-30 · 4 obs

● 2015-06-27 19:44:56
● 2017-03-30 20:27:06
○ 2026-03-22 09:31:40
○ 2026-04-19 22:37:34

●A172.247.21.962026-04-19 → 2026-04-19 · 3 obs

○ 2026-03-26 12:26:16
● 2026-04-19 22:37:32
● 2026-04-19 22:37:34

○A38.14.148.962026-03-22 → 2026-03-26 · 5 obs

○ 2017-03-30 20:27:06
● 2026-03-22 09:31:40
● 2026-03-26 12:26:16
○ 2026-04-19 22:37:32
○ 2026-04-19 22:37:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
engstudy.org.cn	ns1.sharesdns.com, ns2.sharesdns.com	-

✅ Authoritative Response

Server:154.23.191.194

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for engstudy.org.cn (unsigned zone)

⏱️ Timing

Total: 1910ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.247.21.96`
NS	2	`ns1.sharesdns.com, ns2.sharesdns.com`
SOA	1	`ns1.sharesdns.com admin.sharesdns.com`

Analysis

Hierarchy

The parent of www.engstudy.org.cn is engstudy.org.cn.

IP Addresses

engstudy.org.cn points to a single IP number: 172.247.21.96.

Name Servers

engstudy.org.cn is delegated to two name servers: ns1.sharesdns.com and ns2.sharesdns.com.

engstudy.org.cn uses the same name server setup as other domains, for instance lsyys.com, cqyyzx.com, adelmall.com, hebeiyunlei.com and 80s3.com.

Host names with two IP numbers:

The host ns1.sharesdns.com points to 154.23.191.194 and 154.86.21.194.

The host ns2.sharesdns.com points to 154.23.191.195 and 154.86.21.195.

engstudy.org.cn - robtex.com

engstudy.org.cn

org.cn