`java3.cn`

DNSSEC	⚠️ Not signed
A	121.43.122.227^{🇨🇳 Alibaba-Cloud121.42.0.0/15}
NS	`dns15.hichina.com` ⭐
		A	2408:4009:501::23^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns16.hichina.com`
		A	2408:4009:501::24^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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,}
MX	`mxdomain.qq.com` ⭐
SOA	`dns15.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=2034771803

Subdomains

cdn.java3.cn

Same first word

java3.cn

DNS History

6 records (4 active, 2 former)

●NSdns15.hichina.com2026-05-08 → 2026-05-09 · 3 obs

○ 2016-04-29 11:03:08
● 2026-05-08 08:47:12
● 2026-05-09 18:39:22

●NSdns16.hichina.com2026-05-08 → 2026-05-09 · 3 obs

○ 2016-04-29 11:03:08
● 2026-05-08 08:47:12
● 2026-05-09 18:39:22

○NSns19.xincache.com2015-06-13 → 2016-04-29 · 4 obs

● 2015-06-13 19:51:04
● 2016-04-29 11:03:08
○ 2026-05-08 08:47:12
○ 2026-05-09 18:39:22

○NSns20.xincache.com2015-06-13 → 2016-04-29 · 4 obs

● 2015-06-13 19:51:04
● 2016-04-29 11:03:08
○ 2026-05-08 08:47:12
○ 2026-05-09 18:39:22

●MXmxdomain.qq.com2026-05-08 → 2026-05-09 · 2 obs

● 2026-05-08 08:47:12
● 2026-05-09 18:39:22

●A121.43.122.2272026-05-08 → 2026-05-09 · 2 obs

● 2026-05-08 08:47:12
● 2026-05-09 18:39:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
java3.cn	dns15.hichina.com, dns16.hichina.com	-

✅ Authoritative Response

Server:39.96.153.51

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for java3.cn (unsigned zone)

⏱️ Timing

Total: 1669ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.43.122.227`
NS	2	`dns15.hichina.com, dns16.hichina.com`
MX	1	`mxdomain.qq.com (pri: 10)`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

Analysis

Hierarchy

java3.cn is a parent of cdn.java3.cn.

IP Addresses

java3.cn points to a single IP number: 121.43.122.227.

Other host names, for instance osjava.cn, share IP numbers with java3.cn.

Name Servers

Delegation for java3.cn rests with two name servers, dns15.hichina.com and dns16.hichina.com.

java3.cn shares the same name server setup as other domains, including axpower.net, mzfloor.com, minsheng123.cn, 52dhtour.com and ksensirion.com.

java3.cn partially shares name servers with other domains, for instance xaxa.com.cn, aihc.cn, zmpal.com and 05423.com.

These name servers are commonly used with ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers:

dns15.hichina.com points to: 2408:4009:501::23, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

dns16.hichina.com points to: 2408:4009:501::24, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

Mail Servers

java3.cn is handled by a single mail server, mxdomain.qq.com.

java3.cn uses the same mail server configuration as other domains, such as tajd.net, filezilla.cn, nbfo.cn, top-cid.com and hm120.com.

java3.cn shares at least some mail servers with other domains, for instance kousai.com.cn, newx.biz, ikuju.com and 739hr.com.

these mail servers are often used with mxbiz1.qq.com and mxbiz2.qq.com.

java3.cn - robtex.com

java3.cn

cn