`kaixuecn.com`

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	`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}
MX	`hzmx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.163.com -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1702619655

`com`

	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=1785262607

Same first word

kaixuecn.com

Similar names

xiukecan.com

DNS History

7 records (5 active, 2 former)

●NSns11.xincache.com2026-05-15 → 2026-07-28 · 3 obs

○ 2015-06-09 07:59:18
● 2026-05-15 20:18:24
● 2026-07-28 18:19:52

●NSns19.xincache.com2015-06-09 → 2026-07-28 · 2 obs

● 2015-06-09 07:59:18
● 2026-07-28 18:19:52

●NSns20.xincache.com2015-06-09 → 2026-07-28 · 2 obs

● 2015-06-09 07:59:18
● 2026-07-28 18:19:52

●MXhzmx01.mxmail.netease.com2026-05-15 → 2026-07-28 · 3 obs

○ 2017-07-01 20:02:28
● 2026-05-15 20:18:24
● 2026-07-28 18:19:52

●MXhzmx02.mxmail.netease.com2026-05-15 → 2026-07-28 · 3 obs

○ 2017-07-01 20:02:28
● 2026-05-15 20:18:24
● 2026-07-28 18:19:52

○MXsmx5.cn4e.com2015-06-09 → 2017-07-01 · 4 obs

● 2015-06-09 07:59:18
● 2017-07-01 20:02:28
○ 2026-05-15 20:18:24
○ 2026-07-28 18:19:52

○A121.14.65.2152015-06-09 → 2017-07-01 · 4 obs

● 2015-06-09 07:59:18
● 2017-07-01 20:02:28
○ 2026-05-15 20:18:24
○ 2026-07-28 18:19:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...	-
kaixuecn.com	ns19.xincache.com, ns20.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kaixuecn.com (unsigned zone)

⏱️ Timing

Total: 1963ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns20.xincache.com, ns19.xincache.com`
MX	2	`hzmx01.mxmail.netease.com (pri: 5), hzmx02.mxmail.netease.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns19.xincache.com, ns19.xincache.com, ns19.xincache.com...)

Analysis

Name Servers

kaixuecn.com has three name servers — ns11.xincache.com, ns19.xincache.com and ns20.xincache.com.

The name servers of kaixuecn.com overlap at least partially with those of other domains — among them taiwanunionplastic.com, sanbomv.com, silicon-materials.com and two more.

These name servers commonly appear in delegations together with ns12.xincache.com, ns13.xincache.com, ns14.xincache.com and 5 other.

Hostnames that resolve to 8 IP addresses:

ns11.xincache.com points to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 other IP addresses.

ns19.xincache.com points to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 other IP addresses.

Hostnames that resolve to 7 IP addresses:

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

The host names ns11.xincache.com and ns19.xincache.com both resolve to 2402:4e00:1470:2::e IP addresses.

The host names ns11.xincache.com and ns19.xincache.com both resolve to 2402:4e00:1730::e IP addresses.

The host names ns11.xincache.com and ns19.xincache.com both resolve to 1.12.0.4 IP addresses.

The host names ns11.xincache.com and ns19.xincache.com both resolve to 36.155.149.180 IP addresses.

The host names ns11.xincache.com and ns19.xincache.com both resolve to 112.80.181.45 IP addresses.

The host names ns11.xincache.com and ns19.xincache.com both resolve to 117.89.178.173 IP addresses.

The host names ns11.xincache.com and ns19.xincache.com both resolve to 125.94.59.210 IP addresses.

The host names ns11.xincache.com and ns19.xincache.com both resolve to 129.211.176.209 IP addresses.

Mail Servers

Mail for kaixuecn.com is handled by two mail servers — hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

kaixuecn.com uses an identical mail server configuration to several other domains — among them gtse.cn, hanhe-cable.com, hbaotai.com and two more.

kaixuecn.com has at least partial mail server overlap with other domains such as hqhf.net, irag.cn, lgjkzx.cn and two more.

Hostnames that resolve to two IP addresses:

hzmx01.mxmail.netease.com resolves to 47.251.71.119 and 47.251.84.126.

kaixuecn.com - robtex.com

kaixuecn.com

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