`oceaninstruments.cn`

DNSSEC	⚠️ Not signed
A	149.120.162.199^{🇨🇦 AS398478149.120.160.0/19 PEG TECH INC}
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=1773491557

`cn`

	DNSSEC	⚠️ Not signed
	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=2034712656

Same first word

oceaninstruments.co.uk

oceaninstruments.com.cn

oceaninstruments.cn

DNS History

10 records (3 active, 7 former)

●NSns1.nowcndns.com2026-03-19 → 2026-04-26 · 3 obs

○ 2017-03-29 00:37:58
● 2026-03-19 04:57:56
● 2026-04-26 01:34:34

○NSns1.sfn.cn2015-11-17 → 2017-03-29 · 5 obs

○ 2015-06-28 04:17:52
● 2015-11-17 22:35:44
● 2017-03-29 00:37:58
○ 2026-03-19 04:57:56
○ 2026-04-26 01:34:34

●NSns2.nowcndns.com2026-03-19 → 2026-04-26 · 3 obs

○ 2017-03-29 00:37:58
● 2026-03-19 04:57:56
● 2026-04-26 01:34:34

○NSns2.sfn.cn2015-11-17 → 2017-03-29 · 5 obs

○ 2015-06-28 04:17:52
● 2015-11-17 22:35:44
● 2017-03-29 00:37:58
○ 2026-03-19 04:57:56
○ 2026-04-26 01:34:34

○NSns3.sanfront.com.cn2015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 04:17:52
○ 2015-11-17 22:35:44
○ 2026-04-26 01:34:34

○NSns5.sanfront.com.cn2015-06-28 → 2015-06-28 · 3 obs

● 2015-06-28 04:17:52
○ 2015-11-17 22:35:44
○ 2026-04-26 01:34:34

○MXmx.sfn.cn2015-06-28 → 2017-03-29 · 4 obs

● 2015-06-28 04:17:52
● 2017-03-29 00:37:58
○ 2026-03-19 04:57:56
○ 2026-04-26 01:34:34

●A149.120.162.1992026-03-19 → 2026-04-26 · 3 obs

○ 2017-03-29 00:37:58
● 2026-03-19 04:57:56
● 2026-04-26 01:34:34

○A210.72.13.812015-06-28 → 2016-07-09 · 4 obs

● 2015-06-28 04:17:52
● 2016-07-09 15:21:26
○ 2017-03-29 00:37:58
○ 2026-04-26 01:34:34

○A43.230.142.1252017-03-29 → 2017-03-29 · 4 obs

○ 2016-07-09 15:21:26
● 2017-03-29 00:37:58
○ 2026-03-19 04:57:56
○ 2026-04-26 01:34:34

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:183.253.57.202

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at oceaninstruments.cn: Error: DNS query timeout: 203.119.29.1 for DS oceaninstruments.cn

⏱️ Timing

Total: 4560ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.120.162.199`
NS	2	`ns1.nowcndns.com, ns2.nowcndns.com`
SOA	1	`ns1.nowcndns.com admin.nowcndns.com`

Analysis

IP Addresses

oceaninstruments.cn points to an IP address: 149.120.162.199.

other host names include qfshfw.cn, qys668.cn, gdjsjxjy.cn, 99ws.cn and oscar.org.cn; they share IP numbers with oceaninstruments.cn.

Name Servers

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

oceaninstruments.cn shares the same name server setup as other domains, for instance fchj.com.cn, sxjtw.cn, boershanyang.org.cn, bdfzy.cn and 51eat.com.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.

oceaninstruments.cn - robtex.com