`rh51.cn`

DNSSEC	⚠️ Not signed
A	38.173.227.224^{🇺🇸 AS39847838.173.224.0/19 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=1773208653

`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=2034584019

Same first word

rh51.cn

Similar names

51hr.net

51hr.com

15rh.com

15hr.com

DNS History

4 records (3 active, 1 former)

●NSns1.nowcndns.com2026-02-14 → 2026-03-25 · 2 obs

● 2026-02-14 18:22:54
● 2026-03-25 03:50:48

●NSns2.nowcndns.com2026-02-14 → 2026-03-25 · 2 obs

● 2026-02-14 18:22:54
● 2026-03-25 03:50:48

●A38.173.227.2242026-03-25 → 2026-03-25 · 2 obs

○ 2026-03-09 02:14:58
● 2026-03-25 03:50:48

○A38.173.30.52026-02-14 → 2026-03-09 · 3 obs

● 2026-02-14 18:22:54
● 2026-03-09 02:14:58
○ 2026-03-25 03:50:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
rh51.cn	ns1.nowcndns.com, ns2.nowcndns.com	-

✅ Authoritative Response

Server:61.158.128.11

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 4031ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.173.227.224`
NS	2	`ns1.nowcndns.com, ns2.nowcndns.com`
SOA	1	`ns1.nowcndns.com admin.nowcndns.com`

Analysis

IP Addresses

rh51.cn resolves to a single IP: 38.173.227.224.

Other host names, for instance sjzguanfeng.cn, baogaowang.com.cn, timesplace.com.cn, tmart.net.cn and dswsq.cn share IP numbers with rh51.cn.

Name Servers

rh51.cn has two name servers: ns1.nowcndns.com and ns2.nowcndns.com.

rh51.cn shares the same name server setup as other domains, for example yitool.cn, gxpzjg.cn, safetyfirst.com.cn, bsljw.cn and newsproperty.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.

rh51.cn - robtex.com

rh51.cn

cn