`opc520.cn`

DNSSEC	⚠️ Not signed
A	149.120.162.28^{🇨🇦 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=1773491558

`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=2034590646

Same first word

opc520.cn

DNS History

4 records (3 active, 1 former)

●NSns1.nowcndns.com2026-03-04 → 2026-03-26 · 2 obs

● 2026-03-04 06:28:18
● 2026-03-26 21:23:22

●NSns2.nowcndns.com2026-03-04 → 2026-03-26 · 2 obs

● 2026-03-04 06:28:18
● 2026-03-26 21:23:22

●A149.120.162.282026-03-26 → 2026-03-26 · 3 obs

○ 2026-03-04 06:28:18
● 2026-03-26 10:47:42
● 2026-03-26 21:23:22

○A38.6.114.1982026-03-04 → 2026-03-04 · 3 obs

● 2026-03-04 06:28:18
○ 2026-03-26 10:47:42
○ 2026-03-26 21:23:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
opc520.cn	ns1.nowcndns.com, ns2.nowcndns.com	-

✅ Authoritative Response

Server:211.99.99.38

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opc520.cn (unsigned zone)

⏱️ Timing

Total: 1459ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.120.162.28`
NS	2	`ns1.nowcndns.com, ns2.nowcndns.com`
SOA	1	`ns1.nowcndns.com admin.nowcndns.com`

Analysis

IP Addresses

opc520.cn resolves to a single IP address: 149.120.162.28.

Other host names including lbnpjhb.cn, upsups.cn, yftyfj.com.cn, koubeiweb.cn and parkingtec.com.cn share IP numbers with opc520.cn.

Name Servers

opc520.cn's delegation uses two name servers, ns1.nowcndns.com and ns2.nowcndns.com.

opc520.cn shares the same name server setup as other domains, for example 0371gg.cn, rentba.cn, onemall-jinwan.com.cn, cangc.cn and lfsly.cn.

Host names with three IPs:

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

opc520.cn - robtex.com

opc520.cn

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