`xb21.cn`

DNSSEC	⚠️ Not signed
A	47.107.31.125^{🇨🇳 Alibaba-Cloud47.107.0.0/16}
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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	`dns9.hichina.com`hostmaster@hichina.com 2026-05-28 #9

`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`
	SOA	`a.dns.cn`root@cnnic.cn serial=2035026375

Same first word

xb21.cn

Similar names

bx21.com

1x2b.com

b1x2.com

xb12.cc

bx12.net

b1x2.net

xb12.top

12bx.com

xb12.de

x2b1.com

DNS History

3 records (3 active, 0 former)

●NSdns10.hichina.com2018-08-16 → 2026-07-10 · 2 obs

● 2018-08-16 14:28:40
● 2026-07-10 21:01:54

●NSdns9.hichina.com2018-08-16 → 2026-07-10 · 2 obs

● 2018-08-16 14:28:40
● 2026-07-10 21:01:54

●A47.107.31.1252026-06-27 → 2026-07-10 · 2 obs

● 2026-06-27 10:58:34
● 2026-07-10 21:01:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
xb21.cn	dns9.hichina.com, dns10.hichina.com	-

✅ Authoritative Response

Server:139.224.142.111

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xb21.cn (unsigned zone)

⏱️ Timing

Total: 2264ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.107.31.125`
NS	2	`dns10.hichina.com, dns9.hichina.com`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

xb21.cn has exactly one IP address — 47.107.31.125.

microhui.com, zhongyu.demo.runideas.com, demo.runideas.com plus two other host names have IP numbers in common with xb21.cn.

Name Servers

xb21.cn is delegated to two name servers: dns10.hichina.com and dns9.hichina.com.

The name server configuration of xb21.cn is shared with other domains, for instance shsyjt.com, fjsun.com, xianyujoy.cn and two others.

xb21.cn at least partially shares name servers with other domains, including qqff.com, bvcc.cn, odccn.com and nomorewalls.org.

These name servers are frequently paired with the name servers ns1.alidns.com and ns2.alidns.com.

Hosts with 9 IP addresses each:

dns10.hichina.com resolves to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 other IP addresses.

dns9.hichina.com resolves to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 other IP addresses.

xb21.cn - robtex.com

xb21.cn

cn