`doc-bio.com`

DNSSEC	⚠️ Not signed
A	203.107.45.167^{🇨🇳 Alibaba-Cloud203.107.45.0/24 Alibaba (US) Technology Co., Ltd.}
		PTR	`catl.com`
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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,}
MX	`hzmx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`hzmx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1 include:spf.163.com -all`
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1776130282

Same first word

doc-bio.de

doc-bio.com

Similar names

idc-oob.site

bio-doc.de

DNS History

8 records (5 active, 3 former)

●NSdns10.hichina.com2016-12-18 → 2026-04-14 · 2 obs

● 2016-12-18 12:35:10
● 2026-04-14 01:58:06

●NSdns9.hichina.com2016-12-18 → 2026-04-14 · 2 obs

● 2016-12-18 12:35:10
● 2026-04-14 01:58:06

●MXhzmx01.mxmail.netease.com2018-05-21 → 2026-04-14 · 3 obs

○ 2016-12-18 12:35:10
● 2018-05-21 15:42:28
● 2026-04-14 01:58:06

●MXhzmx02.mxmail.netease.com2018-05-21 → 2026-04-14 · 3 obs

○ 2016-12-18 12:35:10
● 2018-05-21 15:42:28
● 2026-04-14 01:58:06

○MXmxn.mxhichina.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 12:35:10
○ 2018-05-21 15:42:28
○ 2026-04-14 01:58:06

○MXmxw.mxhichina.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 12:35:10
○ 2018-05-21 15:42:28
○ 2026-04-14 01:58:06

○A121.42.96.1792016-12-18 → 2018-05-21 · 4 obs

● 2016-12-18 12:35:10
● 2018-05-21 15:42:28
○ 2026-03-27 04:00:44
○ 2026-04-14 01:58:06

●A203.107.45.1672026-03-27 → 2026-04-14 · 3 obs

○ 2018-05-21 15:42:28
● 2026-03-27 04:00:44
● 2026-04-14 01:58:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
doc-bio.com	dns9.hichina.com, dns10.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doc-bio.com (unsigned zone)

⏱️ Timing

Total: 3516ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.107.45.167`
NS	2	`dns10.hichina.com, dns9.hichina.com`
MX	2	`hzmx01.mxmail.netease.com (pri: 5), hzmx02.mxmail.netease.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com -all`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

IP Addresses

doc-bio.com points to a single IP: 203.107.45.167.

Other host names, for instance devserver.cn, tinbox.xin, plantgenomics.cn, 52st.com and bingyan.net share IP numbers with doc-bio.com.

Name Servers

Two name servers dns10.hichina.com and dns9.hichina.com handle delegation for doc-bio.com.

doc-bio.com uses the same name server setup as other domains, for example yannuotech.com, importaley.com, rvbox.cn, siriar.com and txsh.net.

doc-bio.com partially shares name servers with other domains; examples include wysj.net, xunzhuo.com, zjgyrchemical.com, glssm.com and hkeec.org.

These name servers are often used with the name servers ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers:

dns10.hichina.com points to: 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

dns9.hichina.com points to: 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

Mail Servers

doc-bio.com is handled by two mail servers: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

doc-bio.com has the same mail server setup as other domains, including hongzhen.com, medj.cn, qtech.edu.cn, abptec.com and glls.cn.

doc-bio.com shares some mail servers with other domains at least partially, for example palovue.com, mx.townsunny.com, funtechnologygroupltd.com and qiantaida.com.

Host names with two IPs

hzmx01.mxmail.netease.com points to: 47.251.71.119 and 47.251.84.126.

hzmx02.mxmail.netease.com points to: 47.251.71.119 and 47.251.84.126.

Host names that point to 47.251.71.119: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

Host names that point to 47.251.84.126: hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.

doc-bio.com - robtex.com

doc-bio.com

com