`chinalecture.com`

DNSSEC	⚠️ Not signed
A	208.98.40.209^{🇺🇸 SHARKTECH-1208.98.40.0/24}
NS	`www.chinalecture.com` ⭐
		A	208.98.40.203^{🇺🇸 SHARKTECH-1208.98.40.0/24}
NS	`ns1.4.cn` ⚠️ Not in zone NS records
		A	107.167.27.66^{🇺🇸 SHARKTECH-1107.167.27.0/24 CMI (Customer Route)}
NS	`ns2.4.cn` ⚠️ Not in zone NS records
SOA	`www.chinalecture.com`chinalecture@com 2008-08-03 #0

`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=1776088042

Subdomains

www.chinalecture.com

Same first word

chinalecture.com

DNS History

12 records (4 active, 8 former)

●NSns1.4.cn2026-02-23 → 2026-04-13 · 3 obs

○ 2017-04-11 03:40:12
● 2026-02-23 08:18:50
● 2026-04-13 14:17:28

●NSns2.4.cn2026-02-23 → 2026-04-13 · 3 obs

○ 2017-04-11 03:40:12
● 2026-02-23 08:18:50
● 2026-04-13 14:17:28

○NSns3.01isp.com2015-09-01 → 2017-04-11 · 4 obs

● 2015-09-01 17:46:26
● 2017-04-11 03:40:12
○ 2026-02-23 08:18:50
○ 2026-04-13 14:17:28

○NSns4.01isp.net2015-09-01 → 2017-04-11 · 4 obs

● 2015-09-01 17:46:26
● 2017-04-11 03:40:12
○ 2026-02-23 08:18:50
○ 2026-04-13 14:17:28

●NSwww.chinalecture.com2026-02-23 → 2026-04-13 · 3 obs

○ 2017-04-11 03:40:12
● 2026-02-23 08:18:50
● 2026-04-13 14:17:28

○MXmxbiz1.qq.com2015-09-01 → 2017-04-11 · 4 obs

● 2015-09-01 17:46:26
● 2017-04-11 03:40:12
○ 2026-02-23 08:18:50
○ 2026-04-13 14:17:28

○MXmxbiz2.qq.com2015-09-01 → 2017-04-11 · 4 obs

● 2015-09-01 17:46:26
● 2017-04-11 03:40:12
○ 2026-02-23 08:18:50
○ 2026-04-13 14:17:28

○A139.196.171.2292016-09-07 → 2017-04-11 · 5 obs

○ 2016-03-19 23:46:40
● 2016-09-07 20:33:20
● 2017-04-11 03:40:12
○ 2026-02-23 08:18:50
○ 2026-04-13 14:17:28

●A208.98.40.2092026-04-13 → 2026-04-13 · 2 obs

○ 2026-03-27 17:26:46
● 2026-04-13 14:17:28

○A208.98.40.2112026-02-23 → 2026-02-23 · 4 obs

○ 2017-04-11 03:40:12
● 2026-02-23 08:18:50
○ 2026-03-27 17:26:46
○ 2026-04-13 14:17:28

○A208.98.43.712026-03-27 → 2026-03-27 · 3 obs

○ 2026-02-23 08:18:50
● 2026-03-27 17:26:46
○ 2026-04-13 14:17:28

○A222.73.225.192015-09-01 → 2016-03-19 · 4 obs

● 2015-09-01 17:46:26
● 2016-03-19 23:46:40
○ 2016-09-07 20:33:20
○ 2026-04-13 14:17:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
chinalecture.com	ns1.4.cn, ns2.4.cn	-

✅ Authoritative Response

Server:107.167.27.66

NS records: ns1.4.cn, ns2.4.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chinalecture.com (unsigned zone)

⏱️ Timing

Total: 424ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.98.40.209`
SOA	1	`www.chinalecture.com chinalecture.com`

Analysis

Hierarchy

The parent of www.chinalecture.com is chinalecture.com.

IP Addresses

chinalecture.com points to a single IP number: 208.98.40.209.

Other host names, for instance mapdh.com, ubiao.com.cn, www.www.www.mx7.wxsport.com, www.00fw.com and ns2.44o.com share IP numbers with chinalecture.com.

Name Servers

The domain chinalecture.com is delegated to three name servers: ns1.4.cn, ns2.4.cn and www.chinalecture.com.

chinalecture.com shares name servers with other domains at least partially, for instance mijiu.cn, datanova.cn, xjtl.com, hdzdzg.cn and njrsrc.com.

these name servers are commonly used together with ns3.goldenname.com and ns4.goldenname.com.

Host names with one IP number:

ns1.4.cn points to: 107.167.27.66.

www.chinalecture.com points to: 208.98.40.203.

chinalecture.com - robtex.com