`cnknowledge.com`

DNSSEC	⚠️ Not signed
A	203.107.45.167^{🇨🇳 Alibaba-Cloud203.107.45.0/24 Alibaba (US) Technology Co., Ltd.}
		PTR	`catl.com`
NS	`dns1.hichina.com` ⭐
		A	2408:4009:501::9^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-43.defastlink.net`
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-63.defastlink.net`
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-203.defastlink.net`
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-213.defastlink.net`
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-43.defastlink.net`
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-63.defastlink.net`
		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,}
			PTR	`ip-139-224-142-113.defastlink.net`
		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,}
			PTR	`ip-139-224-142-123.defastlink.net`
NS	`dns2.hichina.com`
		A	2408:4009:501::10^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-44.defastlink.net`
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-54.defastlink.net`
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-204.defastlink.net`
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-214.defastlink.net`
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-44.defastlink.net`
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-54.defastlink.net`
		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,}
			PTR	`ip-139-224-142-114.defastlink.net`
		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,}
			PTR	`ip-139-224-142-124.defastlink.net`
MX	`mx01.dm.aliyun.com` ⭐
		A	59.82.33.237^{🇨🇳 Alibaba-Cloud59.82.32.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
TXT	`v=spf1 include:spf1.dm.aliyun.com -all`
SOA	`dns1.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1771291435

Same first word

cnknowledge.com

DNS History

16 records (4 active, 12 former)

●NSdns1.hichina.com2026-02-28 → 2026-03-15 · 3 obs

○ 2017-10-11 03:54:40
● 2026-02-28 04:17:52
● 2026-03-15 10:23:48

●NSdns2.hichina.com2026-02-28 → 2026-03-15 · 3 obs

○ 2017-10-11 03:54:40
● 2026-02-28 04:17:52
● 2026-03-15 10:23:48

○NSlv3ns1.ffdns.net2017-10-11 → 2017-10-11 · 4 obs

○ 2016-09-23 19:51:54
● 2017-10-11 03:54:40
○ 2026-02-28 04:17:52
○ 2026-03-15 10:23:48

○NSlv3ns2.ffdns.net2017-10-11 → 2017-10-11 · 4 obs

○ 2016-09-23 19:51:54
● 2017-10-11 03:54:40
○ 2026-02-28 04:17:52
○ 2026-03-15 10:23:48

○NSlv3ns3.ffdns.net2017-10-11 → 2017-10-11 · 4 obs

○ 2016-09-23 19:51:54
● 2017-10-11 03:54:40
○ 2026-02-28 04:17:52
○ 2026-03-15 10:23:48

○NSlv3ns4.ffdns.net2017-10-11 → 2017-10-11 · 4 obs

○ 2016-09-23 19:51:54
● 2017-10-11 03:54:40
○ 2026-02-28 04:17:52
○ 2026-03-15 10:23:48

○NSns13.xincache.com2015-06-22 → 2016-09-23 · 4 obs

● 2015-06-22 07:14:32
● 2016-09-23 19:51:54
○ 2017-10-11 03:54:40
○ 2026-03-15 10:23:48

○NSns14.xincache.com2015-06-22 → 2016-09-23 · 4 obs

● 2015-06-22 07:14:32
● 2016-09-23 19:51:54
○ 2017-10-11 03:54:40
○ 2026-03-15 10:23:48

○MXmx.sendcloud.org2017-10-11 → 2017-10-11 · 4 obs

○ 2016-09-23 19:51:54
● 2017-10-11 03:54:40
○ 2026-02-28 04:17:52
○ 2026-03-15 10:23:48

●MXmx01.dm.aliyun.com2026-02-28 → 2026-03-15 · 3 obs

○ 2017-10-11 03:54:40
● 2026-02-28 04:17:52
● 2026-03-15 10:23:48

○MXmxbiz1.qq.com2015-06-22 → 2016-09-23 · 4 obs

● 2015-06-22 07:14:32
● 2016-09-23 19:51:54
○ 2017-10-11 03:54:40
○ 2026-03-15 10:23:48

○MXmxbiz2.qq.com2015-06-22 → 2016-09-23 · 4 obs

● 2015-06-22 07:14:32
● 2016-09-23 19:51:54
○ 2017-10-11 03:54:40
○ 2026-03-15 10:23:48

○A106.75.65.2342017-10-11 → 2017-10-11 · 4 obs

○ 2016-09-23 19:51:54
● 2017-10-11 03:54:40
○ 2026-02-28 04:17:52
○ 2026-03-15 10:23:48

○A115.47.21.1612015-06-22 → 2015-06-22 · 3 obs

● 2015-06-22 07:14:32
○ 2015-10-30 11:38:14
○ 2026-03-15 10:23:48

○A115.47.38.202015-10-30 → 2016-09-23 · 5 obs

○ 2015-06-22 07:14:32
● 2015-10-30 11:38:14
● 2016-09-23 19:51:54
○ 2017-10-11 03:54:40
○ 2026-03-15 10:23:48

●A203.107.45.1672026-02-28 → 2026-03-15 · 3 obs

○ 2017-10-11 03:54:40
● 2026-02-28 04:17:52
● 2026-03-15 10:23:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cnknowledge.com	dns2.hichina.com, dns1.hichina.com	18 records

✅ Authoritative Response

Server: 39.96.153.43

NS records: dns2.hichina.com, dns1.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cnknowledge.com (unsigned zone)

⏱️ Timing

Total: 3593ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.107.45.167`
NS	2	`dns1.hichina.com, dns2.hichina.com`
MX	1	`mx01.dm.aliyun.com (pri: 10)`
TXT	1	`v=spf1 include:spf1.dm.aliyun.com -all`
SOA	1	`dns1.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns2.hichina.com, dns2.hichina.com, dns2.hichina.com...)

Analysis

IP Addresses

cnknowledge.com resolves to a single IP address: 203.107.45.167.

Other host names including chinainterdye.com, imgrender.net, liumingtao.com, lizhitong.cn and zjzc789.com share IP numbers with cnknowledge.com.

Name Servers

cnknowledge.com's delegation uses two name servers, dns1.hichina.com and dns2.hichina.com.

cnknowledge.com shares the same name server setup as other domains, for example cdbol.com, weling.cn, fbbar.com, screenchina.com and chipstock.top.

cnknowledge.com at least partially shares name servers with other domains, including edustyle.cn, hwei.net, e6home.com, bobo91.com and qiqipu.com.

these name servers are commonly used together with ns1.alidns.com, ns2.alidns.com and dns15.hichina.com.

dns1.hichina.com points to: 2408:4009:501::9, 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.

dns2.hichina.com points to: 2408:4009:501::10, 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.

Mail Servers

cnknowledge.com is handled by a single mail server, mx01.dm.aliyun.com.

cnknowledge.com shares its mail server setup with other domains, including pop800.net, stargamer.com, feijing88.com, chenjunzhou.com and kumhosunny.cn.

The mail servers for cnknowledge.com are shared with other domains, for instance guixian.cn, kufaka.com, luxpay.ltd, goodwe-power.com.cn and xn--l6qx3l9s1a.com.

These mail servers are commonly used alongside mxn.mxhichina.com and mxw.mxhichina.com.

mx01.dm.aliyun.com points to a single IP: 59.82.33.237.

cnknowledge.com - robtex.com

cnknowledge.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`cnknowledge.com`

`com`