`knku.cn`

DNSSEC	⚠️ Not signed
NS	`ns11.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 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}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns12.xincache.com`
		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	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
SOA	`ns11.xincache.com`ns12@xincache.com serial=1752742973

`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` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034596105

Same first word

knku.cn

knku.com

Similar names

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nukk.com

DNS History

5 records (2 active, 3 former)

○NSf1g1ns1.dnspod.net2015-06-10 → 2016-11-30 · 4 obs

● 2015-06-10 23:39:30
● 2016-11-30 01:58:44
○ 2026-03-27 08:44:38
○ 2026-03-27 23:59:20

○NSf1g1ns2.dnspod.net2015-06-10 → 2016-11-30 · 4 obs

● 2015-06-10 23:39:30
● 2016-11-30 01:58:44
○ 2026-03-27 08:44:38
○ 2026-03-27 23:59:20

●NSns11.xincache.com2026-03-27 → 2026-03-27 · 3 obs

○ 2016-11-30 01:58:44
● 2026-03-27 08:44:38
● 2026-03-27 23:59:20

●NSns12.xincache.com2026-03-27 → 2026-03-27 · 3 obs

○ 2016-11-30 01:58:44
● 2026-03-27 08:44:38
● 2026-03-27 23:59:20

○A14.152.81.1152015-10-28 → 2015-10-28 · 3 obs

● 2015-10-28 04:31:58
○ 2015-12-31 05:35:36
○ 2026-03-27 23:59:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
knku.cn	ns11.xincache.com, ns12.xincache.com	-

✅ Authoritative Response

Server:117.89.178.184

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knku.cn (unsigned zone)

⏱️ Timing

Total: 1404ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns12.xincache.com, ns11.xincache.com`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

Name Servers

knku.cn's delegation uses two name servers, ns11.xincache.com and ns12.xincache.com.

knku.cn shares the same name server setup as other domains, for example demaogong.cn, 39ztq.com, vsedu.net, dxsl.com and xtylyey.cn.

knku.cn at least partially shares name servers with other domains, including dongshengvalve.com, tunfu.com, 0554soft.com, cnsant.com and honwaycn.com.

These name servers are typically used together with the name servers ns15.xincache.com, ns16.xincache.com, ns17.xincache.com, ns18.xincache.com, ns19.xincache.com, ns20.xincache.com, ns13.xincache.com, ns14.xincache.com, ce1.xincache.com and ce2.xincache.com.

Eight IP numbers for host names:

ns11.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Seven IP numbers for host names:

ns12.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.

knku.cn - robtex.com

knku.cn

cn