`chinaweboptimization.com`

DNSSEC	⚠️ Not signed
A	208.98.43.72^{🇺🇸 SHARKTECH-1208.98.43.0/24}
		PTR	`mta6.jensenstilbud.com`
NS	`www.chinaweboptimization.com` ⭐
		A	208.98.43.14^{🇺🇸 SHARKTECH-1208.98.43.0/24}
			PTR	`ip-208-98-43-14.defastlink.net`
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
		A	208.98.43.66^{🇺🇸 SHARKTECH-1208.98.43.0/24}
			PTR	`jensenstilbud.com`
SOA	`www.chinaweboptimization.com`chinaweboptimization@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=1778400946

Subdomains

www.chinaweboptimization.com

Same first word

chinaweboptimization.com

DNS History

14 records (4 active, 10 former)

●NSns1.4.cn2026-03-23 → 2026-05-10 · 3 obs

○ 2018-06-19 17:49:26
● 2026-03-23 07:00:28
● 2026-05-10 08:18:24

●NSns2.4.cn2026-03-23 → 2026-05-10 · 3 obs

○ 2018-06-19 17:49:26
● 2026-03-23 07:00:28
● 2026-05-10 08:18:24

○NSns37.domaincontrol.com2015-07-23 → 2018-06-19 · 4 obs

● 2015-07-23 17:59:00
● 2018-06-19 17:49:26
○ 2026-03-23 07:00:28
○ 2026-05-10 08:18:24

○NSns38.domaincontrol.com2015-07-23 → 2018-06-19 · 4 obs

● 2015-07-23 17:59:00
● 2018-06-19 17:49:26
○ 2026-03-23 07:00:28
○ 2026-05-10 08:18:24

●NSwww.chinaweboptimization.com2026-03-23 → 2026-05-10 · 3 obs

○ 2018-06-19 17:49:26
● 2026-03-23 07:00:28
● 2026-05-10 08:18:24

○MXchinaweboptimization-com.mail.protection.outlook.com2018-06-19 → 2018-06-19 · 4 obs

○ 2015-07-23 17:59:00
● 2018-06-19 17:49:26
○ 2026-03-23 07:00:28
○ 2026-05-10 08:18:24

○MXmailstore1.secureserver.net2015-07-23 → 2018-06-19 · 4 obs

● 2015-07-23 17:59:00
● 2018-06-19 17:49:26
○ 2026-03-23 07:00:28
○ 2026-05-10 08:18:24

○MXsmtp.secureserver.net2015-07-23 → 2018-06-19 · 4 obs

● 2015-07-23 17:59:00
● 2018-06-19 17:49:26
○ 2026-03-23 07:00:28
○ 2026-05-10 08:18:24

○A173.201.238.2252015-07-23 → 2015-07-23 · 3 obs

● 2015-07-23 17:59:00
○ 2015-11-17 21:12:52
○ 2026-05-10 08:18:24

○A184.168.19.602015-11-17 → 2018-06-19 · 5 obs

○ 2015-07-23 17:59:00
● 2015-11-17 21:12:52
● 2018-06-19 17:49:26
○ 2026-03-23 07:00:28
○ 2026-05-10 08:18:24

○A208.98.40.2012026-05-10 → 2026-05-10 · 3 obs

○ 2026-05-09 15:41:54
● 2026-05-10 02:31:10
○ 2026-05-10 08:18:24

○A208.98.40.2042026-04-04 → 2026-04-04 · 4 obs

○ 2026-03-23 07:00:28
● 2026-04-04 14:09:58
○ 2026-05-09 15:41:54
○ 2026-05-10 08:18:24

●A208.98.43.722026-03-23 → 2026-05-10 · 5 obs

○ 2018-06-19 17:49:26
● 2026-03-23 07:00:28
○ 2026-04-04 14:09:58
○ 2026-05-10 02:31:10
● 2026-05-10 08:18:24

○A208.98.43.792026-05-09 → 2026-05-09 · 4 obs

○ 2026-04-04 14:09:58
● 2026-05-09 15:41:54
○ 2026-05-10 02:31:10
○ 2026-05-10 08:18:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
chinaweboptimization.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 chinaweboptimization.com (unsigned zone)

⏱️ Timing

Total: 296ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.98.43.72`
SOA	1	`www.chinaweboptimization.com chinawebopt`

Analysis

Hierarchy

chinaweboptimization.com is the parent of www.chinaweboptimization.com.

IP Addresses

chinaweboptimization.com points to a single IP number: 208.98.43.72.

other host names for instance www.www.www.www.down.cc, www.66xh.com, yt020.net, lul4m.333889.com and 72117.com share IP numbers with chinaweboptimization.com.

Name Servers

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

chinaweboptimization.com at least partially shares name servers with other domains, for instance maca.cn, flyvc.com, ibloglife.com, chinatd.cn and grangers8.com.

These name servers are often used with ns3.goldenname.com and ns4.goldenname.com.

Host names with one IP number:

ns1.4.cn points to 107.167.27.66.

ns2.4.cn points to 208.98.43.66.

www.chinaweboptimization.com points to 208.98.43.14.

chinaweboptimization.com - robtex.com