`21nr.com`

DNSSEC	⚠️ Not signed
NS	`dns27.hichina.com` ⭐
		A	2408:4009:501::35^{🇨🇳 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	`dns28.hichina.com`
		A	2408:4009:501::36^{🇨🇳 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	`dns27.hichina.com`hostmaster@hichina.com 2026-05-28 #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=1786061459

Same first word

21nr.com

Similar names

nr12.com

nr12.se

nr12.co.uk

nr12.de

rn12.cn

21rn.top

1r2n.com

n2r1.akamai.net

rn21.ru

1n2r.com

nr21.com

rn21.com

rn12.de

n1r2.com

12nr.com

DNS History

12 records (2 active, 10 former)

○NSdns1.iidns.com2017-04-01 → 2017-04-01 · 4 obs

○ 2016-03-15 02:17:38
● 2017-04-01 14:44:10
○ 2026-07-15 14:24:34
○ 2026-08-07 00:27:38

●NSdns27.hichina.com2026-07-15 → 2026-08-07 · 3 obs

○ 2017-04-01 14:44:10
● 2026-07-15 14:24:34
● 2026-08-07 00:27:38

●NSdns28.hichina.com2026-07-15 → 2026-08-07 · 3 obs

○ 2017-04-01 14:44:10
● 2026-07-15 14:24:34
● 2026-08-07 00:27:38

○NSns1.360wzb.com2015-07-23 → 2016-03-15 · 4 obs

● 2015-07-23 08:20:24
● 2016-03-15 02:17:38
○ 2017-04-01 14:44:10
○ 2026-08-07 00:27:38

○NSns2.360wzb.com2015-07-23 → 2016-03-15 · 4 obs

● 2015-07-23 08:20:24
● 2016-03-15 02:17:38
○ 2017-04-01 14:44:10
○ 2026-08-07 00:27:38

○A103.232.215.1342016-07-15 → 2016-07-15 · 4 obs

○ 2016-03-15 02:17:38
● 2016-07-15 23:32:00
○ 2017-04-01 14:44:10
○ 2026-08-07 00:27:38

○A103.241.230.1352017-04-01 → 2017-04-01 · 4 obs

○ 2016-07-15 23:32:00
● 2017-04-01 14:44:10
○ 2026-07-15 14:24:34
○ 2026-08-07 00:27:38

○A103.241.230.1372017-04-01 → 2017-04-01 · 4 obs

○ 2016-07-15 23:32:00
● 2017-04-01 14:44:10
○ 2026-07-15 14:24:34
○ 2026-08-07 00:27:38

○A103.241.230.1382017-04-01 → 2017-04-01 · 4 obs

○ 2016-07-15 23:32:00
● 2017-04-01 14:44:10
○ 2026-07-15 14:24:34
○ 2026-08-07 00:27:38

○A103.241.230.1402017-04-01 → 2017-04-01 · 4 obs

○ 2016-07-15 23:32:00
● 2017-04-01 14:44:10
○ 2026-07-15 14:24:34
○ 2026-08-07 00:27:38

○A118.193.173.2422015-07-23 → 2016-03-15 · 4 obs

● 2015-07-23 08:20:24
● 2016-03-15 02:17:38
○ 2016-07-15 23:32:00
○ 2026-08-07 00:27:38

○CNAMEcs.ename.net2017-04-01 → 2017-04-01 · 3 obs

● 2017-04-01 14:44:10
○ 2026-07-15 14:24:34
○ 2026-08-07 00:27:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...	-
21nr.com	dns27.hichina.com, dns28.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.39

NS records: dns27.hichina.com, dns28.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21nr.com (unsigned zone)

⏱️ Timing

Total: 553ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns28.hichina.com, dns27.hichina.com`
SOA	1	`dns27.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns27.hichina.com, dns27.hichina.com, dns27.hichina.com...)

Analysis

Name Servers

DNS delegation for 21nr.com points to two name servers: dns27.hichina.com and dns28.hichina.com.

The name server configuration of 21nr.com is shared with other domains, for instance eplsha.com, iw2.cn, kdkj.com and two others.

21nr.com shares at least some of its name servers with other domains, for example czkmy.asia, 9zdata.com, 0555.online and df45df.cn.

These name servers tend to be deployed in combination with the name servers expirens3.hichina.com and expirens4.hichina.com.

Hosts with 9 IP addresses each:

dns27.hichina.com has IP addresses 39.96.153.39, 39.96.153.59 and 47.118.199.199, plus 6 other.

dns28.hichina.com has IP addresses 39.96.153.37, 39.96.153.62 and 47.118.199.197, plus 6 other.

21nr.com - robtex.com

21nr.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

`21nr.com`

`com`