4721.com.cn - robtex.com

4721.com.cn

DNSSEC⚠️ Not signed
A154.221.21.105🇭🇰 YISUCLOUDLTD-HK154.221.21.0/24 Yisu Cloud Ltd
NSns11.xincache.com ⭐
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A2402:4e00:1730::e🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.180🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.45🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.173🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A125.94.59.210🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
A129.211.176.209🇨🇳 TENCENT-NET-AP129.211.176.0/20
NSns12.xincache.com
A2402:4e00:111:fff::c🇨🇳 TENCENT-NET-AP2402:4e00::/35
A1.12.0.1🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
A36.155.149.176🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
A112.80.181.111🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network
A117.89.178.184🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC
A129.211.176.239🇨🇳 TENCENT-NET-AP129.211.176.0/20
A163.177.5.23🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24
SOAns11.xincache.comns12@xincache.com serial=1731451661

com.cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ ⚠️ Not in parent delegation
NSb.dns.cn ⚠️ Not in parent delegation
NSc.dns.cn ⚠️ Not in parent delegation
NScns.cernet.net ⚠️ Not in parent delegation
NSd.dns.cn ⚠️ Not in parent delegation
NSe.dns.cn ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2030746134
WOT: NOT_SAFE (20/100)

Previously NS for

4721.com.cn

Same first word

4721.cn
4721.de
4721.jp
4721.org
4721.com
4721.com.cn
4721.casino
4721.nl

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DNS History

7 records (3 active, 4 former)

20162017201820192020202120222023202420252026NSns11.xincache.comns12.xincache.com4721.com.cnA154.221.21.105103.55.26.133119.188.124.111218.98.35.167
○NS4721.com.cn2015-07-19 → 2017-05-14 · 4 obs
● 2015-07-19 17:42:36
● 2017-05-14 18:49:40
○ 2026-07-28 09:15:58
○ 2026-08-11 00:46:36
●NSns11.xincache.com2026-07-28 → 2026-08-11 · 3 obs
○ 2017-05-14 18:49:40
● 2026-07-28 09:15:58
● 2026-08-11 00:46:36
●NSns12.xincache.com2026-07-28 → 2026-08-11 · 3 obs
○ 2017-05-14 18:49:40
● 2026-07-28 09:15:58
● 2026-08-11 00:46:36
○A103.55.26.1332017-05-14 → 2017-05-14 · 4 obs
○ 2016-04-14 08:12:44
● 2017-05-14 18:49:40
○ 2026-07-28 09:15:58
○ 2026-08-11 00:46:36
○A119.188.124.1112015-07-19 → 2016-04-14 · 4 obs
● 2015-07-19 17:42:36
● 2016-04-14 08:12:44
○ 2017-05-14 18:49:40
○ 2026-08-11 00:46:36
●A154.221.21.1052026-07-28 → 2026-08-11 · 3 obs
○ 2017-05-14 18:49:40
● 2026-07-28 09:15:58
● 2026-08-11 00:46:36
○A218.98.35.1672015-07-19 → 2015-07-19 · 3 obs
● 2015-07-19 17:42:36
○ 2015-11-26 05:55:22
○ 2026-08-11 00:46:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
4721.com.cnns11.xincache.com, ns12.xincache.com-

✅ Authoritative Response

Server:112.80.181.111

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4721.com.cn (unsigned zone)

⏱️ Timing

Total: 1460ms | Queries: -

📄 Records

TypeCountSample Data
A1154.221.21.105
NS2ns12.xincache.com, ns11.xincache.com
SOA1ns11.xincache.com ns12.xincache.com

Analysis

IP Addresses

4721.com.cn directs to one IP number, which is 154.221.21.105.

Other host names — chinayantai.cn, weihai.net, ytqichemoju.com and power-supply.com.cn — share IP numbers with 4721.com.cn.

Name Servers

4721.com.cn is delegated to two name servers: ns11.xincache.com and ns12.xincache.com.

4721.com.cn has the same name server delegation as a number of other domains, such as gd-jianye.com, pesana.com, cc5c.com and two more.

At least some of 4721.com.cn's name servers are shared with other domains, for example szjunhua.com, jxxd.gov.cn, lmcj2013.com and two more.

These name servers tend to co-occur with ns13.xincache.com, ns14.xincache.com, ns19.xincache.com and 7 other name servers in the same DNS delegations.

Host names resolving to 8 IP numbers:

ns11.xincache.com resolves to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 other IP addresses.

Host names resolving to 7 IP numbers:

ns12.xincache.com resolves to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 other IP addresses.