`51grb.com`

DNSSEC	⚠️ Not signed
A	118.190.79.87^{🇨🇳 Alibaba-Cloud118.190.0.0/17}
NS	`dns31.hichina.com` ⭐
		A	2408:4009:501::39^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.109^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns32.hichina.com`
		A	2408:4009:501::40^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.107^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`dns31.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1776200192

Same first word

51grb.com

Similar names

51rgb.com

DNS History

4 records (3 active, 1 former)

●NSdns31.hichina.com2015-05-31 → 2026-04-14 · 2 obs

● 2015-05-31 21:39:50
● 2026-04-14 21:26:20

●NSdns32.hichina.com2015-05-31 → 2026-04-14 · 2 obs

● 2015-05-31 21:39:50
● 2026-04-14 21:26:20

●A118.190.79.872026-04-12 → 2026-04-14 · 3 obs

○ 2017-04-05 23:35:30
● 2026-04-12 17:30:12
● 2026-04-14 21:26:20

○A121.42.193.182015-05-31 → 2017-04-05 · 4 obs

● 2015-05-31 21:39:50
● 2017-04-05 23:35:30
○ 2026-04-12 17:30:12
○ 2026-04-14 21:26:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51grb.com	dns31.hichina.com, dns32.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.39

NS records: dns31.hichina.com, dns32.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51grb.com (unsigned zone)

⏱️ Timing

Total: 597ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`118.190.79.87`
NS	2	`dns32.hichina.com, dns31.hichina.com`
SOA	1	`dns31.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns31.hichina.com, dns31.hichina.com, dns31.hichina.com...)

Analysis

IP Addresses

51grb.com points to a single IP number: 118.190.79.87.

Name Servers

51grb.com is delegated to two name servers: dns31.hichina.com and dns32.hichina.com.

51grb.com uses the same name server setup as other domains, for instance lianqzn.com, oyard.cn, scdnjs.com, ywweida.com and dhhdk.com.

51grb.com shares name servers with other domains at least partially, for instance logmein.cn, euvip.cn, qqqej.com, 528163.cn and arash.cn.

These name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers: dns31.hichina.com points to 2408:4009:501::39, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109; dns32.hichina.com points to 2408:4009:501::40, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

51grb.com - robtex.com

51grb.com

com