`cooltechhk.com`

DNSSEC	⚠️ Not signed
NS	`dns.bizcn.com` ⭐
		A	240c:4082:ffff:ff01:0:d:0:34a^{🇨🇳 Baidu240c:4082::/32}
		A	61.172.183.76^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.114^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
NS	`ns1.dns.com.cn`
		A	240c:4082:ffff:ff01:0:d:0:34a^{🇨🇳 Baidu240c:4082::/32}
		A	61.172.183.70^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
		A	61.240.129.114^{🇨🇳 CHINA169-Backbone61.240.128.0/19 CMI (Customer Route)}
NS	`ns2.dns.com.cn`
		A	240c:4082:ffff:ff01:0:d:0:69^{🇨🇳 Baidu240c:4082::/32}
MX	`mxn.mxhichina.com` ⭐
		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}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
TXT	`v=spf1 include:spf.mxhichina.com -all`
SOA	`dns.bizcn.com`abuse@bizcn.com serial=34

`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=1774818022

Same first word

cooltechhk.com

DNS History

6 records (5 active, 1 former)

●NSdns.bizcn.com2020-01-01 → 2026-03-29 · 3 obs

○ 2015-11-25 22:03:58
● 2020-01-01 18:54:18
● 2026-03-29 21:02:50

●NSns1.dns.com.cn2015-11-25 → 2026-03-29 · 3 obs

○ 2015-07-20 08:47:52
● 2015-11-25 22:03:58
● 2026-03-29 21:02:50

●NSns2.dns.com.cn2015-07-20 → 2026-03-29 · 2 obs

● 2015-07-20 08:47:52
● 2026-03-29 21:02:50

○MXmail.cooltechhk.com2015-11-25 → 2016-06-22 · 4 obs

● 2015-11-25 22:03:58
● 2016-06-22 04:45:18
○ 2020-01-01 18:54:18
○ 2026-03-29 21:02:50

●MXmxn.mxhichina.com2020-01-01 → 2026-03-29 · 3 obs

○ 2016-06-22 04:45:18
● 2020-01-01 18:54:18
● 2026-03-29 21:02:50

●MXmxw.mxhichina.com2020-01-01 → 2026-03-29 · 3 obs

○ 2016-06-22 04:45:18
● 2020-01-01 18:54:18
● 2026-03-29 21:02:50

🔍 DNS Trace

Analysis

Name Servers

cooltechhk.com delegates to three name servers: dns.bizcn.com, ns1.dns.com.cn and ns2.dns.com.cn.

cooltechhk.com shares some name servers with other domains, for example gx-hch.com, olblocn.com, hltcbzg.com, qs.com.cn and hellcom.com.

These name servers are often used together with ns7.cnmsn.net, ns8.cnmsn.net, ns13.dns.com.cn, ns14.dns.com.cn, dns.cnmsn.net, ns3.cnmsn.com, ns4.cnmsn.com, ns5.cnmsn.net and ns6.cnmsn.net.

Host names with three IPs:

dns.bizcn.com points to: 240c:4082:ffff:ff01:0:d:0:34a, 61.172.183.76 and 61.240.129.114.

ns1.dns.com.cn points to: 240c:4082:ffff:ff01:0:d:0:34a, 61.172.183.70 and 61.240.129.114.

Host names with one IP:

ns2.dns.com.cn points to: 240c:4082:ffff:ff01:0:d:0:69.

Host names that point to 240c:4082:ffff:ff01:0:d:0:34a: dns.bizcn.com and ns1.dns.com.cn.

Host names that point to 61.240.129.114: dns.bizcn.com and ns1.dns.com.cn.

Mail Servers

cooltechhk.com is served by two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.

cooltechhk.com shares the mail server setup with other domains, for example galaxyspace.com, yhgskj.com, nsoou.com, cdbhbc.com and gdgpl.com.

cooltechhk.com shares some mail servers with other domains, at least partially; for instance westenenergy.com, godpu.com, jisuidc.com, shoppx.com and phoenixbiotech.net.

Host names with two IP numbers: mxn.mxhichina.com points to: 47.246.136.231 and 47.246.137.47.

Host names with one IP number: mxw.mxhichina.com points to: 47.246.99.195.

cooltechhk.com - robtex.com

cooltechhk.com

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