`cdt.com.cn`

DNSSEC	⚠️ Not signed
NS	`dns3.hichina.com` ⭐
		A	2408:4009:501::11^{🇨🇳 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	`dns4.hichina.com`
		A	2408:4009:501::12^{🇨🇳 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,}
SOA	`dns3.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`com.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=2030751368

WOT: NOT_SAFE (20/100)

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ctd.co.nz

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DNS History

6 records (2 active, 4 former)

●NSdns3.hichina.com2026-06-23 → 2026-08-13 · 2 obs

● 2026-06-23 03:52:32
● 2026-08-13 19:24:38

●NSdns4.hichina.com2026-06-23 → 2026-08-13 · 2 obs

● 2026-06-23 03:52:32
● 2026-08-13 19:24:38

○A103.232.215.1382016-08-07 → 2016-09-27 · 5 obs

○ 2016-06-13 21:17:20
● 2016-08-07 17:34:52
● 2016-09-27 11:28:56
○ 2016-11-14 16:59:22
○ 2026-08-13 19:24:38

○A124.16.31.1502016-11-14 → 2017-01-12 · 5 obs

○ 2016-09-27 11:28:56
● 2016-11-14 16:59:22
● 2017-01-12 03:27:24
○ 2018-11-25 01:35:02
○ 2026-08-13 19:24:38

○A184.105.178.912015-08-06 → 2016-06-13 · 4 obs

● 2015-08-06 19:22:58
● 2016-06-13 21:17:20
○ 2016-08-07 17:34:52
○ 2026-08-13 19:24:38

○A47.91.137.1722018-11-25 → 2018-11-25 · 4 obs

○ 2017-01-12 03:27:24
● 2018-11-25 01:35:02
○ 2026-06-23 03:52:32
○ 2026-08-13 19:24:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
cdt.com.cn	dns3.hichina.com, dns4.hichina.com	-

✅ Authoritative Response

Server:120.76.107.44

NS records: dns3.hichina.com, dns4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdt.com.cn (unsigned zone)

⏱️ Timing

Total: 3157ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns4.hichina.com, dns3.hichina.com`
SOA	1	`dns3.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

cdt.com.cn is served by two delegated name servers, dns3.hichina.com and dns4.hichina.com.

cdt.com.cn shares its name server setup with other domains, including yuensunshine.com, edgewave.cn, svbgf.cn and two others.

There is at least partial name server overlap between cdt.com.cn and other domains — oio.com.cn, milliard.cn, haierpc.com and two more among them.

These name servers tend to appear in combination with the name servers ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

Host names with 9 IP numbers:

dns3.hichina.com carries IP addresses 39.96.153.43, 39.96.153.63 and 47.118.199.203, with 6 other addresses beyond those.

dns4.hichina.com carries IP addresses 39.96.153.44, 39.96.153.54 and 47.118.199.204, with 6 other addresses beyond those.

cdt.com.cn - robtex.com

cdt.com.cn

com.cn