`jkug.cn`

DNSSEC	⚠️ Not signed
NS	`dns23.hichina.com` ⭐
		A	2408:4009:501::31^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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	139.224.142.110^{🇨🇳 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	`dns24.hichina.com`
		A	2408:4009:501::32^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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	139.224.142.108^{🇨🇳 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	`dns23.hichina.com`hostmaster@hichina.com 2026-01-12 #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` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034662529

Same first word

jkug.cn

Similar names

jguk.com

kujg.com

jkgu.com

ukgj.com

kjug.edu.ee

ujgk.cn

jgku.cn

ugkj.cn

kjgu.cn

kgju.com

jgku.info

kjug.online

kgju.ch

jgku.com

kguj.com

kjug.com

jkgu.net

gjku.com

gjuk.dk

ugjk.com

gujk.com

gkju.com

ujgk.com

gukj.com

DNS History

6 records (2 active, 4 former)

●NSdns23.hichina.com2026-04-12 → 2026-04-12 · 2 obs

○ 2018-09-14 00:37:44
● 2026-04-12 12:59:36

●NSdns24.hichina.com2026-04-12 → 2026-04-12 · 2 obs

○ 2018-09-14 00:37:44
● 2026-04-12 12:59:36

○NSns1.22.cn2017-02-10 → 2017-02-10 · 3 obs

● 2017-02-10 08:18:48
○ 2018-09-14 00:37:44
○ 2026-04-12 12:59:36

○NSns1.dnsfang.com2018-09-14 → 2018-09-14 · 3 obs

○ 2017-02-10 08:18:48
● 2018-09-14 00:37:44
○ 2026-04-12 12:59:36

○NSns2.dnsfang.com2018-09-14 → 2018-09-14 · 3 obs

○ 2017-02-10 08:18:48
● 2018-09-14 00:37:44
○ 2026-04-12 12:59:36

○A107.163.202.1962018-09-14 → 2018-09-14 · 2 obs

● 2018-09-14 00:37:44
○ 2026-04-12 12:59:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn...	-
jkug.cn	dns23.hichina.com, dns24.hichina.com	-

✅ Authoritative Response

Server:47.118.199.220

NS records: dns23.hichina.com, dns24.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jkug.cn (unsigned zone)

⏱️ Timing

Total: 1701ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns23.hichina.com, dns24.hichina.com`
SOA	1	`dns23.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

Two name servers dns23.hichina.com and dns24.hichina.com handle the delegation for jkug.cn.

jkug.cn shares the same name server setup as other domains, for instance flipchipassembly.com, thac.cc, hightop.xin, ixiaodong.com and wj001.com.

jkug.cn at least partially shares name servers with other domains, for instance lichangjun.com, sqmt.net, easyhotel.com.cn, zmpf.com and sco-edu.com.

These name servers are commonly used with the following: expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers:

dns23.hichina.com points to: 2408:4009:501::31, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.

dns24.hichina.com points to: 2408:4009:501::32, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

jkug.cn - robtex.com

jkug.cn

cn