online-study.com - dns.ninja

`online-study.com`

DNSSEC	⚠️ Not signed
A	47.242.253.235^{🇭🇰 Alibaba-Cloud47.242.0.0/16 Proxy-registered route object}
NS	`dns31.hichina.com` ⭐ ⚠️ Not in parent delegation
		A	2408:4009:501::39^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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	139.224.142.109^{🇨🇳 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	`dns32.hichina.com` ⚠️ Not in parent delegation
		A	2408:4009:501::40^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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	139.224.142.107^{🇨🇳 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	`ns1.alidns.com` ⚠️ Not in zone NS records
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.115^{🇨🇳 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	139.224.142.125^{🇨🇳 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	`ns2.alidns.com` ⚠️ Not in zone NS records
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.116^{🇨🇳 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	139.224.142.126^{🇨🇳 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	`dns31.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=1785085692

Same first word

online-study.hk

online-study.co.uk

online-study.in

online-study.com

Similar names

study-online.net

study-online.de

study-online.com

study-online.eu

study-online.in

study-online.org

DNS History

19 records (5 active, 14 former)

○NSbuy.internettraffic.com2015-06-10 → 2016-03-31 · 4 obs

● 2015-06-10 05:20:52
● 2016-03-31 18:16:36
○ 2016-09-20 00:33:16
○ 2026-07-26 17:29:28

●NSdns31.hichina.com2026-02-14 → 2026-07-26 · 3 obs

○ 2017-05-19 12:40:46
● 2026-02-14 22:43:28
● 2026-07-26 17:29:28

●NSdns32.hichina.com2026-02-14 → 2026-07-26 · 3 obs

○ 2017-05-19 12:40:46
● 2026-02-14 22:43:28
● 2026-07-26 17:29:28

●NSns1.alidns.com2026-02-14 → 2026-07-26 · 3 obs

○ 2017-05-19 12:40:46
● 2026-02-14 22:43:28
● 2026-07-26 17:29:28

○NSns1.namebrightdns.com2016-09-20 → 2017-05-19 · 5 obs

○ 2016-03-31 18:16:36
● 2016-09-20 00:33:16
● 2017-05-19 12:40:46
○ 2026-02-14 22:43:28
○ 2026-07-26 17:29:28

●NSns2.alidns.com2026-02-14 → 2026-07-26 · 3 obs

○ 2017-05-19 12:40:46
● 2026-02-14 22:43:28
● 2026-07-26 17:29:28

○NSns2.namebrightdns.com2016-09-20 → 2017-05-19 · 5 obs

○ 2016-03-31 18:16:36
● 2016-09-20 00:33:16
● 2017-05-19 12:40:46
○ 2026-02-14 22:43:28
○ 2026-07-26 17:29:28

○NSsell.internettraffic.com2015-06-10 → 2016-03-31 · 4 obs

● 2015-06-10 05:20:52
● 2016-03-31 18:16:36
○ 2016-09-20 00:33:16
○ 2026-07-26 17:29:28

○A107.23.198.2402016-09-20 → 2016-09-20 · 4 obs

○ 2016-03-31 18:16:36
● 2016-09-20 00:33:16
○ 2017-05-19 12:40:46
○ 2026-07-26 17:29:28

●A47.242.253.2352026-02-14 → 2026-07-26 · 3 obs

○ 2017-05-19 12:40:46
● 2026-02-14 22:43:28
● 2026-07-26 17:29:28

○A52.204.129.222017-05-19 → 2017-05-19 · 4 obs

○ 2016-09-20 00:33:16
● 2017-05-19 12:40:46
○ 2026-02-14 22:43:28
○ 2026-07-26 17:29:28

○A52.206.43.2342016-09-20 → 2016-09-20 · 4 obs

○ 2016-03-31 18:16:36
● 2016-09-20 00:33:16
○ 2017-05-19 12:40:46
○ 2026-07-26 17:29:28

○A52.4.72.1372016-09-20 → 2016-09-20 · 4 obs

○ 2016-03-31 18:16:36
● 2016-09-20 00:33:16
○ 2017-05-19 12:40:46
○ 2026-07-26 17:29:28

○A54.210.33.1902016-09-20 → 2016-09-20 · 4 obs

○ 2016-03-31 18:16:36
● 2016-09-20 00:33:16
○ 2017-05-19 12:40:46
○ 2026-07-26 17:29:28

○A54.236.123.2242016-09-20 → 2016-09-20 · 4 obs

○ 2016-03-31 18:16:36
● 2016-09-20 00:33:16
○ 2017-05-19 12:40:46
○ 2026-07-26 17:29:28

○A54.85.127.702017-05-19 → 2017-05-19 · 4 obs

○ 2016-09-20 00:33:16
● 2017-05-19 12:40:46
○ 2026-02-14 22:43:28
○ 2026-07-26 17:29:28

○A69.172.201.2082015-06-10 → 2016-03-31 · 4 obs

● 2015-06-10 05:20:52
● 2016-03-31 18:16:36
○ 2016-09-20 00:33:16
○ 2026-07-26 17:29:28

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2016-09-20 → 2016-09-20 · 3 obs

● 2016-09-20 00:33:16
○ 2017-05-19 12:40:46
○ 2026-07-26 17:29:28

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-05-19 → 2026-02-14 · 5 obs

○ 2016-09-20 00:33:16
● 2017-05-19 12:40:46
● 2026-02-14 22:43:28
○ 2026-03-01 01:51:40
○ 2026-07-26 17:29:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net...	-
online-study.com	ns1.alidns.com, ns2.alidns.com	18 records

✅ Authoritative Response

Server:120.76.107.45

NS records: ns1.alidns.com, ns2.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for online-study.com (unsigned zone)

⏱️ Timing

Total: 5141ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.242.253.235`
NS	2	`dns32.hichina.com, dns31.hichina.com`
SOA	1	`dns31.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns1.alidns.com, ns1.alidns.com, ns1.alidns.com...)

Analysis

IP Addresses

online-study.com directs to one IP number, which is 47.242.253.235.

Name Servers

The domain online-study.com is delegated to these four name servers: ns1.alidns.com, ns2.alidns.com, dns31.hichina.com and dns32.hichina.com.

The name servers of online-study.com overlap at least partially with those of other domains — among them youkait.com, jcomms.com, pyxfybjy.com and two more.

These name servers commonly appear in delegations together with dns11.hichina.com, dns12.hichina.com, dns7.hichina.com and 7 other.

Host names resolving to 9 IP numbers:

ns1.alidns.com carries IP addresses 39.96.153.45, 39.96.153.55 and 47.118.199.205, with 6 other addresses beyond those.

ns2.alidns.com carries IP addresses 39.96.153.46, 39.96.153.56 and 47.118.199.206, with 6 other addresses beyond those.

dns31.hichina.com carries IP addresses 39.96.153.39, 39.96.153.59 and 47.118.199.199, with 6 other addresses beyond those.

dns32.hichina.com carries IP addresses 39.96.153.37, 39.96.153.62 and 47.118.199.197, with 6 other addresses beyond those.