cdtech.cn - dns.ninja

`cdtech.cn`

DNSSEC	⚠️ Not signed
NS	`ns11.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns12.xincache.com`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
MX	`mx.sina.net` ⭐
		A	36.51.254.76^{🇨🇳 SINA36.51.254.0/24 Proxy-registered route object}
MX	`mx.entmail.sina.com`⁽¹⁵⁾
		A	36.51.254.76^{🇨🇳 SINA36.51.254.0/24 Proxy-registered route object}
TXT	`v=spf1 include:spf.sinamail.sina.com.cn -all`
TXT	`MS=ms83982119`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1772268672

`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=2035146403

Subdomains

www.cdtech.cn

Same first word

cdtech.cn

cdtech.co

cdtech.org

cdtech.fr

cdtech.vn

cdtech.eu

cdtech.in

cdtech.xyz

cdtech.co.il

cdtech.net

cdtech.de

cdtech.com.br

Similar names

dctech.com

dctech.net

dctech.dev

dctech.net.ph

dctech.cloud

dctech.co

dctech.fr

dctech.pl

dctech.be

techcd.ru

dctech.ro

dctech.com.hk

thedcc.tv

dctech.events

thedcc.co.uk

hdctec.com

dctech.net.br

dctech.co.za

dctech.cn

dctech.pro

dctech.us

theccd.ie

dctech.com.au

cedcth.com

thedcc.com

hctced.com

techdc.com

dctech.fo

dctech.com.br

thedcc.nh-serv.co.uk

dhctec.com

thedcc.it

dctech.online

techdc.net

thedcc.net

dctech.com.ph

techdc.cn

dctech.ca

dctech.com.vn

theccd.org

dctech.chat

dctech.eu

dtechc.com

theccd.com

DNS History

10 records (4 active, 6 former)

○NSns1.unite-e.com2015-10-23 → 2015-12-30 · 5 obs

○ 2015-05-18 12:37:34
● 2015-10-23 07:27:34
● 2015-12-30 08:21:38
○ 2016-03-27 15:03:48
○ 2026-08-05 22:21:06

●NSns11.xincache.com2016-03-27 → 2026-08-05 · 3 obs

○ 2015-12-30 08:21:38
● 2016-03-27 15:03:48
● 2026-08-05 22:21:06

●NSns12.xincache.com2016-03-27 → 2026-08-05 · 3 obs

○ 2015-12-30 08:21:38
● 2016-03-27 15:03:48
● 2026-08-05 22:21:06

○NSns17.xincache.com2015-05-18 → 2017-04-07 · 4 obs

● 2015-05-18 12:37:34
● 2017-04-07 03:58:38
○ 2026-03-18 21:39:14
○ 2026-08-05 22:21:06

○NSns18.xincache.com2015-10-23 → 2017-04-07 · 5 obs

○ 2015-05-18 12:37:34
● 2015-10-23 07:27:34
● 2017-04-07 03:58:38
○ 2026-03-18 21:39:14
○ 2026-08-05 22:21:06

○NSns2.unite-e.com2015-10-23 → 2015-12-30 · 5 obs

○ 2015-05-18 12:37:34
● 2015-10-23 07:27:34
● 2015-12-30 08:21:38
○ 2016-03-27 15:03:48
○ 2026-08-05 22:21:06

●MXmx.entmail.sina.com2015-10-23 → 2026-08-05 · 2 obs

● 2015-10-23 07:27:34
● 2026-08-05 22:21:06

●MXmx.sina.net2015-10-23 → 2026-08-05 · 2 obs

● 2015-10-23 07:27:34
● 2026-08-05 22:21:06

○A103.217.192.272026-03-18 → 2026-03-18 · 3 obs

● 2026-03-18 21:39:14
○ 2026-07-26 18:39:22
○ 2026-08-05 22:21:06

○A122.10.96.2012026-03-18 → 2026-08-05 · 2 obs

○ 2026-03-18 21:39:14
○ 2026-08-05 22:21:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
cdtech.cn	ns11.xincache.com, ns12.xincache.com	-

✅ Authoritative Response

Server:117.89.178.184

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdtech.cn (unsigned zone)

⏱️ Timing

Total: 1262ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns11.xincache.com, ns12.xincache.com`
MX	2	`mx.sina.net (pri: 10), mx.entmail.sina.com (pri: 15)`
TXT	2	`MS=ms83982119, v=spf1 include:spf.sinamail.sina.com.cn`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

Hierarchy

cdtech.cn serves as the parent of www.cdtech.cn.

Name Servers

The NS records for cdtech.cn delegate to ns11.xincache.com and ns12.xincache.com.

cdtech.cn shares its NS records with other domains, for example chromd.com, zgcaaqpx.com, yylanxie.com and two others.

cdtech.cn has at least partial name server overlap with other domains, such as nmxm.com, peier.com, fadianjizulin.cn and two others.

ns19.xincache.com, ns20.xincache.com and ns13.xincache.com — plus 7 other name servers — are commonly paired with these name servers.

DNS names with 8 IP addresses:

ns11.xincache.com maps to 1.12.0.4, 36.155.149.180, 112.80.181.45 and 5 additional IP addresses.

DNS names with 7 IP addresses:

ns12.xincache.com maps to 1.12.0.1, 36.155.149.176, 112.80.181.111 and 4 additional IP addresses.

Mail Servers

cdtech.cn is served by two mail servers, mx.sina.net and mx.entmail.sina.com.

Among the domains sharing a mail server setup with cdtech.cn are icmcn.com, firstgz.com, ksh.cn and two others.

There is at least a partial MX overlap between cdtech.cn and other domains, including jinguang.com.cn, baseconn.com, sh-br.com and two others.

These mail servers often co-occur with the mail servers mx.sinanet.com.

Each of mx.sina.net and mx.entmail.sina.com points to exactly one IP address: 36.51.254.76.

mx.sina.net and mx.entmail.sina.com each have 36.51.254.76 IP addresses.