`cdhchy.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}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-180.defastlink.net`
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-45.defastlink.net`
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-173.defastlink.net`
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-210.defastlink.net`
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-209.defastlink.net`
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}
			PTR	`ip-1-12-0-1.defastlink.net`
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-176.defastlink.net`
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-111.defastlink.net`
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-184.defastlink.net`
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-239.defastlink.net`
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
			PTR	`ip-163-177-5-23.defastlink.net`
MX	`mxbiz1.qq.com` ⭐
		A	203.205.147.218^{🇭🇰 TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object}
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
MX	`mxbiz2.qq.com`⁽¹⁰⁾
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
TXT	`google-site-verification=g8vYAo4SNUmuQUxOwJ59nUdDfDtaI-Xrjg0vqNltLzI`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1772021279

`cn`

	DNSSEC	⚠️ Not signed
	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=2034546407

Same first word

cdhchy.cn

Similar names

chchdy.com

DNS History

9 records (4 active, 5 former)

○NSf1g1ns1.dnspod.net2015-07-12 → 2015-11-18 · 4 obs

● 2015-07-12 18:07:30
● 2015-11-18 02:24:58
○ 2016-03-13 23:43:00
○ 2026-03-24 03:48:56

○NSf1g1ns2.dnspod.net2015-07-12 → 2015-11-18 · 4 obs

● 2015-07-12 18:07:30
● 2015-11-18 02:24:58
○ 2016-03-13 23:43:00
○ 2026-03-24 03:48:56

○NSns1.51dns.com2016-03-13 → 2016-03-13 · 4 obs

○ 2015-11-18 02:24:58
● 2016-03-13 23:43:00
○ 2016-07-19 18:01:28
○ 2026-03-24 03:48:56

●NSns11.xincache.com2026-02-21 → 2026-03-24 · 3 obs

○ 2016-07-19 18:01:28
● 2026-02-21 10:55:08
● 2026-03-24 03:48:56

●NSns12.xincache.com2026-02-21 → 2026-03-24 · 3 obs

○ 2016-07-19 18:01:28
● 2026-02-21 10:55:08
● 2026-03-24 03:48:56

○NSns2.51dns.com2016-03-13 → 2016-03-13 · 4 obs

○ 2015-11-18 02:24:58
● 2016-03-13 23:43:00
○ 2016-07-19 18:01:28
○ 2026-03-24 03:48:56

●MXmxbiz1.qq.com2026-02-21 → 2026-03-24 · 2 obs

● 2026-02-21 10:55:08
● 2026-03-24 03:48:56

●MXmxbiz2.qq.com2026-02-21 → 2026-03-24 · 2 obs

● 2026-02-21 10:55:08
● 2026-03-24 03:48:56

○A68.64.164.1552015-11-18 → 2015-11-18 · 3 obs

● 2015-11-18 02:24:58
○ 2016-07-19 18:01:28
○ 2026-03-24 03:48:56

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:1.12.0.4

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdhchy.cn (unsigned zone)

⏱️ Timing

Total: 1543ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns11.xincache.com, ns12.xincache.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	1	`google-site-verification=g8vYAo4SNUmuQUx`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

Name Servers

Two name servers ns11.xincache.com and ns12.xincache.com handle delegation for cdhchy.cn.

cdhchy.cn uses the same name server setup as other domains, for example syqlr.com, miaofuchina.com, h2u.cn, mhoffice.com and wjdz.com.

cdhchy.cn partially shares name servers with other domains; examples include onbuy.cn, hexinkonnyaku.net, xugt.com, szder.com and zybzjs.com.

These name servers are commonly used alongside ns19.xincache.com, ns20.xincache.com, ns15.xincache.com, ns16.xincache.com, ns17.xincache.com, ns18.xincache.com, ns13.xincache.com, ns14.xincache.com, f1g1ns1.dnspod.net and ce1.xincache.com.

Hosts with eight IP numbers:

ns11.xincache.com points to 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Hosts with seven IP numbers:

ns12.xincache.com points to 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.

Mail Servers

cdhchy.cn is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

cdhchy.cn has the same mail server setup as other domains, including th-emblem.com, barenthal.com, e7bot.top, sinofuse.com and czrzj.com.

cdhchy.cn shares some mail servers with other domains at least partially, for example mestudio.cn, czgroup.cn, borsodchem.info and fliaping.com.

Host names with two IPs:

mxbiz1.qq.com points to: 203.205.147.218 and 203.205.232.191.

Host names with a single IP:

mxbiz2.qq.com points to: 203.205.232.191.

Names resolving to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.

cdhchy.cn - robtex.com

cdhchy.cn

cn