`52study.com`

DNSSEC	⚠️ Not signed
A	8.210.234.13^{🇭🇰 Alibaba-Cloud8.210.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`dns13.hichina.com` ⭐
		A	2408:4009:501::21^{🇨🇳 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	`dns14.hichina.com`
		A	2408:4009:501::22^{🇨🇳 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	`dns13.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=1784374652

Same first word

52study.com

52study.net

52study.org

DNS History

4 records (3 active, 1 former)

●NSdns13.hichina.com2015-06-11 → 2026-07-18 · 2 obs

● 2015-06-11 15:33:08
● 2026-07-18 11:54:54

●NSdns14.hichina.com2015-06-11 → 2026-07-18 · 2 obs

● 2015-06-11 15:33:08
● 2026-07-18 11:54:54

○A112.127.173.952015-06-11 → 2017-07-01 · 4 obs

● 2015-06-11 15:33:08
● 2017-07-01 17:26:00
○ 2026-07-14 15:41:28
○ 2026-07-18 11:54:54

●A8.210.234.132026-07-14 → 2026-07-18 · 3 obs

○ 2017-07-01 17:26:00
● 2026-07-14 15:41:28
● 2026-07-18 11:54:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
52study.com	dns13.hichina.com, dns14.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns13.hichina.com, dns14.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 52study.com (unsigned zone)

⏱️ Timing

Total: 581ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`8.210.234.13`
NS	2	`dns14.hichina.com, dns13.hichina.com`
SOA	1	`dns13.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns13.hichina.com, dns13.hichina.com, dns13.hichina.com...)

Analysis

IP Addresses

52study.com points to a single IP number: 8.210.234.13.

Other hosts including kepingji.com, 51school.cn and ikeke.com share IP addresses with 52study.com.

Name Servers

52study.com has two authoritative name servers — dns13.hichina.com and dns14.hichina.com.

52study.com shares its name server setup with other domains, including jhman.cn, hddls.net, bsjon.com and two others.

The name servers of 52study.com overlap at least partially with those of other domains — among them qxsyzxsbq.com, maishide.com, softszs.com and two more.

These name servers commonly appear alongside the name servers expirens3.hichina.com and expirens4.hichina.com.

Host names with 9 IP numbers:

dns13.hichina.com points to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 other IP addresses.

dns14.hichina.com points to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 other IP addresses.

52study.com - robtex.com

52study.com

com