`51it.net.cn`

DNSSEC	⚠️ Not signed
A	203.107.45.167^{🇨🇳 Alibaba-Cloud203.107.45.0/24 Alibaba (US) Technology Co., Ltd.}
		PTR	`catl.com`
NS	`dns7.hichina.com` ⭐
		A	2408:4009:501::15^{🇨🇳 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	`dns8.hichina.com`
		A	2408:4009:501::16^{🇨🇳 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,}
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	`dns7.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`net.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2028165683

WOT: SUSPICIOUS (55/100)

Subdomains

mail.51it.net.cn

Same first word

51it.wang

51it.net.cn

Similar names

it51.eu

it51.de

51ti.com

15it.cn

51ti.cn

it15.ru

it51.com

t15i.com

51ti.org

it51.cn

15ti.com

i15t.com

it15.com

it15.de

it51.net

DNS History

10 records (6 active, 4 former)

●NSdns7.hichina.com2015-06-10 → 2026-05-14 · 2 obs

● 2015-06-10 21:39:54
● 2026-05-14 06:18:52

●NSdns8.hichina.com2015-06-10 → 2026-05-14 · 2 obs

● 2015-06-10 21:39:54
● 2026-05-14 06:18:52

○MXmail.51it.net.cn2015-06-10 → 2017-11-23 · 4 obs

● 2015-06-10 21:39:54
● 2017-11-23 04:27:18
○ 2026-04-10 11:24:44
○ 2026-05-14 06:18:52

○MXmx.51it.net.cn2015-06-10 → 2017-11-23 · 4 obs

● 2015-06-10 21:39:54
● 2017-11-23 04:27:18
○ 2026-04-10 11:24:44
○ 2026-05-14 06:18:52

●MXmx1.qiye.aliyun.com2026-04-10 → 2026-05-14 · 3 obs

○ 2017-11-23 04:27:18
● 2026-04-10 11:24:44
● 2026-05-14 06:18:52

●MXmx2.qiye.aliyun.com2026-04-10 → 2026-05-14 · 3 obs

○ 2017-11-23 04:27:18
● 2026-04-10 11:24:44
● 2026-05-14 06:18:52

●MXmx3.qiye.aliyun.com2026-04-10 → 2026-05-14 · 3 obs

○ 2017-11-23 04:27:18
● 2026-04-10 11:24:44
● 2026-05-14 06:18:52

○A112.126.18.242015-06-10 → 2016-12-25 · 4 obs

● 2015-06-10 21:39:54
● 2016-12-25 12:42:16
○ 2017-11-23 04:27:18
○ 2026-05-14 06:18:52

●A203.107.45.1672026-04-10 → 2026-05-14 · 3 obs

○ 2017-11-23 04:27:18
● 2026-04-10 11:24:44
● 2026-05-14 06:18:52

○A42.156.141.132017-11-23 → 2017-11-23 · 4 obs

○ 2016-12-25 12:42:16
● 2017-11-23 04:27:18
○ 2026-04-10 11:24:44
○ 2026-05-14 06:18:52

🔍 DNS Trace

Analysis

Hierarchy

51it.net.cn is the parent of mail.51it.net.cn.

IP Addresses

51it.net.cn points to a single IP number: 203.107.45.167.

other host names for instance hszqrcw.com, jsfuhuan.com, hnzp8.com, dtsrkjs.com and jiton.com share IP numbers with 51it.net.cn.

Name Servers

51it.net.cn is delegated to two name servers: dns7.hichina.com and dns8.hichina.com.

51it.net.cn shares the same name server setup as other domains, for example tlsw.cn, t7sy.com, qiuvps.com, gokang.com and aejinfu.com.

51it.net.cn partially shares name servers with other domains, for instance 88bs.cn, lytqmy.com and rg-chem.com.

These name servers are often used with expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns7.hichina.com points to: 2408:4009:501::15, 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.

dns8.hichina.com points to: 2408:4009:501::16, 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

51it.net.cn is handled by three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

51it.net.cn shares mail servers with other domains at least partially, including zssxchem.com, ahai.cc, mostong.com, craymin.com and 1996s.com.