`jz21.net`

DNSSEC	⚠️ Not signed
A	223.254.159.89^{🇨🇳 CLOUDIE-AS-AP223.254.128.0/19 Proxy Route}
		PTR	`spk.cloudie.hk`
NS	`violin.dnspod.net` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.14.119.35^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
NS	`jacob.dnspod.net`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
SOA	`violin.dnspod.net`freednsadmin@dnspod.com serial=1769916541

`net`

	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=1776147502

Same first word

jz21.net

jz21.cn

Similar names

jz12.com

zj21.com

DNS History

32 records (3 active, 29 former)

●NSjacob.dnspod.net2026-02-18 → 2026-04-14 · 3 obs

○ 2016-12-03 07:41:22
● 2026-02-18 06:37:16
● 2026-04-14 06:38:42

○NSns1.myhostadmin.net2015-06-26 → 2016-12-03 · 4 obs

● 2015-06-26 08:49:12
● 2016-12-03 07:41:22
○ 2026-02-18 06:37:16
○ 2026-04-14 06:38:42

○NSns2.myhostadmin.net2015-06-26 → 2016-12-03 · 4 obs

● 2015-06-26 08:49:12
● 2016-12-03 07:41:22
○ 2026-02-18 06:37:16
○ 2026-04-14 06:38:42

○NSns3.myhostadmin.net2015-06-26 → 2016-12-03 · 4 obs

● 2015-06-26 08:49:12
● 2016-12-03 07:41:22
○ 2026-02-18 06:37:16
○ 2026-04-14 06:38:42

○NSns4.myhostadmin.net2015-06-26 → 2016-12-03 · 4 obs

● 2015-06-26 08:49:12
● 2016-12-03 07:41:22
○ 2026-02-18 06:37:16
○ 2026-04-14 06:38:42

○NSns5.myhostadmin.net2015-06-26 → 2016-12-03 · 4 obs

● 2015-06-26 08:49:12
● 2016-12-03 07:41:22
○ 2026-02-18 06:37:16
○ 2026-04-14 06:38:42

○NSns6.myhostadmin.net2015-06-26 → 2016-12-03 · 4 obs

● 2015-06-26 08:49:12
● 2016-12-03 07:41:22
○ 2026-02-18 06:37:16
○ 2026-04-14 06:38:42

●NSviolin.dnspod.net2026-02-18 → 2026-04-14 · 3 obs

○ 2016-12-03 07:41:22
● 2026-02-18 06:37:16
● 2026-04-14 06:38:42

○MXmxbiz1.qq.com2016-04-14 → 2016-12-03 · 4 obs

● 2016-04-14 08:49:52
● 2016-12-03 07:41:22
○ 2026-02-18 06:37:16
○ 2026-04-14 06:38:42

○MXmxbiz2.qq.com2016-04-14 → 2016-12-03 · 4 obs

● 2016-04-14 08:49:52
● 2016-12-03 07:41:22
○ 2026-02-18 06:37:16
○ 2026-04-14 06:38:42

○A101.71.72.1512015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A113.6.237.652015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A113.6.237.662015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A118.212.137.172015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A122.114.59.1982015-06-26 → 2016-01-25 · 4 obs

● 2015-06-26 08:49:12
● 2016-01-25 17:18:18
○ 2016-04-14 08:49:52
○ 2026-04-14 06:38:42

○A124.161.253.172015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A124.161.253.182015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A163.177.153.672015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A163.177.158.772015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A211.149.238.192016-04-14 → 2016-12-03 · 5 obs

○ 2016-01-25 17:18:18
● 2016-04-14 08:49:52
● 2016-12-03 07:41:22
○ 2026-02-18 06:37:16
○ 2026-04-14 06:38:42

○A220.194.224.162015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A221.8.78.142015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A221.8.78.152015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

●A223.254.159.892026-02-18 → 2026-04-14 · 3 obs

○ 2016-12-03 07:41:22
● 2026-02-18 06:37:16
● 2026-04-14 06:38:42

○A42.236.95.192015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A42.236.95.202015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A42.236.95.212015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○A42.236.95.222015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○CNAMEcdn.cloud.cdntip.com2015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○CNAMEs-172525.gotocdn.com2015-06-26 → 2015-06-26 · 3 obs

● 2015-06-26 08:49:12
○ 2015-11-07 13:15:46
○ 2026-04-14 06:38:42

○CNAMEtemp.p23.tc.cdntip.com2015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

○CNAMEwww.jz21.net.cdn.dnsv1.com2015-11-07 → 2015-11-07 · 4 obs

○ 2015-06-26 08:49:12
● 2015-11-07 13:15:46
○ 2016-01-25 17:18:18
○ 2026-04-14 06:38:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
jz21.net	violin.dnspod.net, jacob.dnspod.net	12 records

✅ Authoritative Response

Server:1.12.0.4

NS records: violin.dnspod.net, jacob.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jz21.net (unsigned zone)

⏱️ Timing

Total: 172ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`223.254.159.89`
NS	2	`jacob.dnspod.net, violin.dnspod.net`
SOA	1	`violin.dnspod.net freednsadmin.dnspod.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (violin.dnspod.net, violin.dnspod.net, violin.dnspod.net...)

Analysis

IP Addresses

jz21.net points to a single IP address: 223.254.159.89.

Other host names such as jnshenyu.com, nbaqx.com, www.gecc.cc, wechrome.cn and atvip.cn share IP numbers with jz21.net.

Name Servers

jz21.net is delegated to two name servers: jacob.dnspod.net and violin.dnspod.net.

jz21.net uses the same name server setup as other domains, including abcdown.net, lebuu.cn, 21ehome.com.cn, bbswan.cn and shouxufei.net.

Host names with six IP numbers:

jacob.dnspod.net points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 101.227.168.35, 111.206.98.235 and 129.211.176.239.

violin.dnspod.net points to: 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 112.80.181.45 and 117.89.178.173.

jz21.net - robtex.com

jz21.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`jz21.net`

`net`