`qbtchina.com`

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}
SOA	`ns11.xincache.com`ns12@xincache.com serial=1764221330

`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=1777038551

Subdomains

www.qbtchina.com

Same first word

qbtchina.com

Similar names

tqbchina.com

DNS History

6 records (2 active, 4 former)

●NSns11.xincache.com2020-12-24 → 2026-04-24 · 3 obs

○ 2017-09-12 01:01:52
● 2020-12-24 21:36:00
● 2026-04-24 14:16:58

●NSns12.xincache.com2020-12-24 → 2026-04-24 · 3 obs

○ 2017-09-12 01:01:52
● 2020-12-24 21:36:00
● 2026-04-24 14:16:58

○NSns13.xincache.com2015-06-19 → 2017-09-12 · 4 obs

● 2015-06-19 00:07:54
● 2017-09-12 01:01:52
○ 2020-12-24 21:36:00
○ 2026-04-24 14:16:58

○NSns14.xincache.com2015-06-19 → 2017-09-12 · 4 obs

● 2015-06-19 00:07:54
● 2017-09-12 01:01:52
○ 2020-12-24 21:36:00
○ 2026-04-24 14:16:58

○MXmail.qbtchina.com2015-06-19 → 2020-12-24 · 4 obs

● 2015-06-19 00:07:54
● 2020-12-24 21:36:00
○ 2026-02-28 00:28:26
○ 2026-04-24 14:16:58

○A114.80.80.172015-06-19 → 2016-04-21 · 4 obs

● 2015-06-19 00:07:54
● 2016-04-21 22:28:22
○ 2016-11-28 07:32:12
○ 2026-04-24 14:16:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net...	-
qbtchina.com	ns11.xincache.com, ns12.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qbtchina.com (unsigned zone)

⏱️ Timing

Total: 77ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns12.xincache.com, ns11.xincache.com`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns11.xincache.com, ns11.xincache.com, ns11.xincache.com...)

Analysis

Hierarchy

qbtchina.com is the parent of www.qbtchina.com.

Name Servers

qbtchina.com is delegated to two name servers: ns11.xincache.com and ns12.xincache.com.

qbtchina.com uses the same name server setup as other domains such as hfssffm.com, xjyhsw.cn, zzis.cn, cdjljh.com and baiyig.com.

qbtchina.com shares name servers with other domains at least partially, for example adfbattery.com, stfld.com, easthardware.net, caltech.mobi and chinachunda.com.

these name servers are often used with the following: ns19.xincache.com, ns20.xincache.com, ns13.xincache.com, ns14.xincache.com, ns15.xincache.com, ns16.xincache.com, ce1.xincache.com, ce2.xincache.com, ns17.xincache.com and ns18.xincache.com.

Eight IP numbers per host:

The host name 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.

Seven IP numbers per host:

The host name 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.

qbtchina.com - robtex.com

qbtchina.com

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