`bio-tech.net.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	`ns17.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	`ns18.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=1772417650

`net.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=2028157165

WOT: SUSPICIOUS (55/100)

Same first word

bio-tech.co.jp

bio-tech.ru

bio-tech.com

bio-tech.pl

bio-tech.co.nz

bio-tech.net.cn

bio-tech.net

bio-tech.org

bio-tech.biz

bio-tech.eu

bio-tech.gr

bio-tech.at

bio-tech.in

bio-tech.de

bio-tech.kr

bio-tech.co.uk

bio-tech.fr

bio-tech.dk

bio-tech.jp

bio-tech.ro

bio-tech.co.in

Similar names

echt-bio.ch

obi-tech.com

ibo-tech.de

echt-bio.de

ecobi-th.com

echt-bio.com

ibo-tech.com

echt-bio.at

DNS History

3 records (3 active, 0 former)

●NSns11.xincache.com2026-03-26 → 2026-04-23 · 3 obs

○ 2019-03-17 13:50:50
● 2026-03-26 17:03:34
● 2026-04-23 16:40:44

●NSns17.xincache.com2019-03-17 → 2026-04-23 · 2 obs

● 2019-03-17 13:50:50
● 2026-04-23 16:40:44

●NSns18.xincache.com2019-03-17 → 2026-04-23 · 2 obs

● 2019-03-17 13:50:50
● 2026-04-23 16:40:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
bio-tech.net.cn	ns17.xincache.com, ns18.xincache.com	-

✅ Authoritative Response

Server:36.155.149.176

NS records: ns17.xincache.com, ns18.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bio-tech.net.cn (unsigned zone)

⏱️ Timing

Total: 1230ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns18.xincache.com, ns17.xincache.com`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

Name Servers

The delegation for bio-tech.net.cn is handled by three name servers: ns11.xincache.com, ns17.xincache.com and ns18.xincache.com.

bio-tech.net.cn at least partially shares name servers with other domains, for instance zimeike.com, richcom.com.cn, wotta.net, shtlu.com and ttobags.com.