`2399.cn`

DNSSEC	⚠️ Not signed
A	42.120.18.182^{🇨🇳 Alibaba-Cloud42.120.0.0/17}
NS	`ns19.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	`ns20.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	`ns19.xincache.com`enterprise1dnsadmin@dnspod.com serial=1595384520

`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 2035-10-05 #67

Same first word

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DNS History

7 records (3 active, 4 former)

○NSns17.xincache.com2015-06-05 → 2016-04-27 · 4 obs

● 2015-06-05 22:21:02
● 2016-04-27 23:50:16
○ 2017-01-05 17:03:16
○ 2026-07-28 07:42:12

○NSns18.xincache.com2015-06-05 → 2016-04-27 · 4 obs

● 2015-06-05 22:21:02
● 2016-04-27 23:50:16
○ 2017-01-05 17:03:16
○ 2026-07-28 07:42:12

●NSns19.xincache.com2017-01-05 → 2026-07-28 · 3 obs

○ 2016-04-27 23:50:16
● 2017-01-05 17:03:16
● 2026-07-28 07:42:12

●NSns20.xincache.com2017-01-05 → 2026-07-28 · 3 obs

○ 2016-04-27 23:50:16
● 2017-01-05 17:03:16
● 2026-07-28 07:42:12

○A118.193.140.2092020-02-06 → 2020-02-06 · 4 obs

○ 2017-01-05 17:03:16
● 2020-02-06 22:03:38
○ 2026-05-17 15:39:36
○ 2026-07-28 07:42:12

○A182.92.219.1132015-06-05 → 2015-06-05 · 3 obs

● 2015-06-05 22:21:02
○ 2015-10-28 01:42:08
○ 2026-07-28 07:42:12

●A42.120.18.1822015-10-28 → 2026-07-28 · 6 obs

○ 2015-06-05 22:21:02
● 2015-10-28 01:42:08
● 2017-01-05 17:03:16
○ 2020-02-06 22:03:38
● 2026-05-17 15:39:36
● 2026-07-28 07:42:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	c.dns.cn, d.dns.cn, a.dns.cn, e.dns.cn...	-
2399.cn	ns19.xincache.com, ns20.xincache.com	-

✅ Authoritative Response

Server:1.12.0.4

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 2399.cn (unsigned zone)

⏱️ Timing

Total: 3844ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`42.120.18.182`
NS	2	`ns20.xincache.com, ns19.xincache.com`
SOA	1	`ns19.xincache.com enterprise1dnsadmin.dn`

Analysis

IP Addresses

2399.cn directs to one IP number, which is 42.120.18.182.

2388.cn is an example of another host name that shares IP numbers with 2399.cn.

Name Servers

2399.cn has two authoritative name servers — ns19.xincache.com and ns20.xincache.com.

2399.cn has the same name server delegation as a number of other domains, such as kiyu.com.cn, leimingfadian.com, zeny.cn and two more.

2399.cn partially shares its NS delegation with several other domains, including sugatsune.com.cn, job268.com, nengshi.com and two others.

These name servers are regularly seen alongside ns11.xincache.com and ns12.xincache.com as name servers.

Host names resolving to 8 IP numbers:

ns19.xincache.com points 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:

ns20.xincache.com points to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 other IP addresses.

2399.cn - robtex.com

2399.cn

cn