`studyhealth.org`

DNSSEC	⚠️ Not signed
A	139.196.178.219^{🇨🇳 Alibaba-Cloud139.196.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
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,}
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774406654

Subdomains

www.studyhealth.org

Same first word

studyhealth.com

studyhealth.org

Similar names

healthstudy.us

healthstudy.net

healthstudy.com

DNS History

7 records (3 active, 4 former)

●NSdns10.hichina.com2015-08-04 → 2026-03-25 · 2 obs

● 2015-08-04 18:27:10
● 2026-03-25 02:57:02

●NSdns9.hichina.com2015-08-04 → 2026-03-25 · 2 obs

● 2015-08-04 18:27:10
● 2026-03-25 02:57:02

○MXmxn.mxhichina.com2015-08-04 → 2017-04-10 · 4 obs

● 2015-08-04 18:27:10
● 2017-04-10 21:25:34
○ 2026-02-23 18:48:04
○ 2026-03-25 02:57:02

○MXmxw.mxhichina.com2015-08-04 → 2017-04-10 · 4 obs

● 2015-08-04 18:27:10
● 2017-04-10 21:25:34
○ 2026-02-23 18:48:04
○ 2026-03-25 02:57:02

○A121.41.129.652016-03-11 → 2017-04-10 · 5 obs

○ 2015-12-08 00:21:36
● 2016-03-11 23:22:04
● 2017-04-10 21:25:34
○ 2026-02-23 18:48:04
○ 2026-03-25 02:57:02

●A139.196.178.2192026-02-23 → 2026-03-25 · 3 obs

○ 2017-04-10 21:25:34
● 2026-02-23 18:48:04
● 2026-03-25 02:57:02

○A140.207.96.582015-08-04 → 2015-12-08 · 4 obs

● 2015-08-04 18:27:10
● 2015-12-08 00:21:36
○ 2016-03-11 23:22:04
○ 2026-03-25 02:57:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
studyhealth.org	dns10.hichina.com, dns9.hichina.com	-

✅ Authoritative Response

Server:47.118.199.201

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyhealth.org (unsigned zone)

⏱️ Timing

Total: 4014ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.196.178.219`
NS	2	`dns10.hichina.com, dns9.hichina.com`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

Analysis

Hierarchy

studyhealth.org is the parent of www.studyhealth.org.

IP Addresses

studyhealth.org points to IP number 139.196.178.219.

Other host names, for instance, www.studyhealth.org share IP numbers with studyhealth.org.

Name Servers

studyhealth.org is delegated to two name servers: dns10.hichina.com and dns9.hichina.com.

studyhealth.org uses the same name server setup as other domains such as taozhuma.com, cnkcal.com, mekbo.com, dausun.com and danyegou.com.

studyhealth.org shares name servers with other domains at least partially, for instance lieyudaren.com, nbzj.org and hulianzg.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.

studyhealth.org - robtex.com

studyhealth.org

org