`irtools.cn`

DNSSEC	⚠️ Not signed
A	110.173.196.1^{🇨🇳 Alibaba-Cloud110.173.196.0/24 Alibaba (US) Technology Co., Ltd.}
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}
		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	`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}
		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	`qiye163mx01.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	`qiye163mx02.mxmail.netease.com`⁽¹⁰⁾
		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}
TXT	`v=spf1 include:spf.163.com -all`
SOA	`dns1.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=2034709978

Same first word

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irtools.de

irtools.sk

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irtools.ca

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DNS History

6 records (5 active, 1 former)

●NSdns1.hichina.com2015-08-08 → 2026-04-25 · 2 obs

● 2015-08-08 00:13:54
● 2026-04-25 08:11:32

●NSdns2.hichina.com2015-08-08 → 2026-04-25 · 2 obs

● 2015-08-08 00:13:54
● 2026-04-25 08:11:32

●MXqiye163mx01.mxmail.netease.com2016-03-17 → 2026-04-25 · 2 obs

● 2016-03-17 20:31:20
● 2026-04-25 08:11:32

●MXqiye163mx02.mxmail.netease.com2016-03-17 → 2026-04-25 · 2 obs

● 2016-03-17 20:31:20
● 2026-04-25 08:11:32

●A110.173.196.12020-03-29 → 2026-04-25 · 3 obs

○ 2017-04-03 10:52:32
● 2020-03-29 08:04:34
● 2026-04-25 08:11:32

○A210.51.181.432015-08-08 → 2017-04-03 · 4 obs

● 2015-08-08 00:13:54
● 2017-04-03 10:52:32
○ 2020-03-29 08:04:34
○ 2026-04-25 08:11:32

🔍 DNS Trace

Analysis

IP Addresses

irtools.cn resolves to one IP number: 110.173.196.1.

other host names including szxc2005.com, hh-steel.com, shunyas.cn, h-hc.com and cy1898.net share IP numbers with irtools.cn.

Name Servers

irtools.cn is delegated to two name servers dns1.hichina.com and dns2.hichina.com.

irtools.cn shares the same name server setup as other domains, for instance chinayi.net, chinahold.com, jinjinyl.cn, qucuohe.com and holystone.cn.

irtools.cn at least partially shares name servers with other domains, for instance homeip.asia, pediasia.com, handubs.com, btszz.com and yzc-pa.com.

These name servers are commonly used alongside expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com, ns2.alidns.com, ns7.alidns.com and ns8.alidns.com.

Host names with nine IP numbers:

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

Two mail servers handle irtools.cn: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

irtools.cn shares the same mail server setup as other domains, for instance honsern.com, defeller.com, watsun.net, wellste.com and ict.com.cn.