`koucai.net`

DNSSEC	⚠️ Not signed
NS	`dns3.hichina.com` ⭐
		A	2408:4009:501::11^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 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	139.224.142.123^{🇨🇳 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	`dns4.hichina.com`
		A	2408:4009:501::12^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.114^{🇨🇳 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	139.224.142.124^{🇨🇳 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	`dns3.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1778454811

Same first word

koucai.cc

koucai.cn

koucai.org

koucai.net

koucai.com.cn

koucai.org.cn

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DNS History

8 records (2 active, 6 former)

○NSdns15.hichina.com2015-06-28 → 2018-08-04 · 4 obs

● 2015-06-28 08:40:14
● 2018-08-04 04:58:28
○ 2026-02-27 17:08:36
○ 2026-05-10 23:17:10

○NSdns16.hichina.com2015-06-28 → 2018-08-04 · 4 obs

● 2015-06-28 08:40:14
● 2018-08-04 04:58:28
○ 2026-02-27 17:08:36
○ 2026-05-10 23:17:10

●NSdns3.hichina.com2026-02-27 → 2026-05-10 · 3 obs

○ 2018-08-04 04:58:28
● 2026-02-27 17:08:36
● 2026-05-10 23:17:10

●NSdns4.hichina.com2026-02-27 → 2026-05-10 · 3 obs

○ 2018-08-04 04:58:28
● 2026-02-27 17:08:36
● 2026-05-10 23:17:10

○A116.255.147.1952015-06-28 → 2016-04-21 · 4 obs

● 2015-06-28 08:40:14
● 2016-04-21 00:28:18
○ 2017-02-06 06:44:52
○ 2026-05-10 23:17:10

○A116.89.241.1002018-08-04 → 2018-08-04 · 4 obs

○ 2017-02-06 06:44:52
● 2018-08-04 04:58:28
○ 2026-02-27 17:08:36
○ 2026-05-10 23:17:10

○A43.230.164.1222017-02-06 → 2017-02-06 · 4 obs

○ 2016-04-21 00:28:18
● 2017-02-06 06:44:52
○ 2018-08-04 04:58:28
○ 2026-05-10 23:17:10

○CNAMEoverdue.aliyun.com2026-02-27 → 2026-03-26 · 4 obs

● 2026-02-27 17:08:36
● 2026-03-26 18:49:38
○ 2026-04-12 23:03:40
○ 2026-05-10 23:17:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
koucai.net	dns3.hichina.com, dns4.hichina.com	-

✅ Authoritative Response

Server:139.224.142.124

NS records: dns3.hichina.com, dns4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koucai.net (unsigned zone)

⏱️ Timing

Total: 1083ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns4.hichina.com, dns3.hichina.com`
SOA	1	`dns3.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

koucai.net is delegated to two name servers: dns3.hichina.com and dns4.hichina.com.

koucai.net shares the same name server setup as sothink.cn, dsjj.cn, tmci.cn, jsgrmm.com and uniofo.com.

koucai.net at least partially shares name servers with other domains, for instance tkrfgl.com, o-km.com, kqwn.com, daxn.cn and hplus.cn.

these name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Nine IP numbers per host:

dns3.hichina.com points to: 2408:4009:501::11, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.

dns4.hichina.com points to: 2408:4009:501::12, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

koucai.net - robtex.com

koucai.net

net