`joct.com.cn`

DNSSEC	⚠️ Not signed
NS	`dns29.hichina.com` ⭐
		A	2408:4009:501::37^{🇨🇳 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	`dns30.hichina.com`
		A	2408:4009:501::38^{🇨🇳 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,}
SOA	`dns29.hichina.com`hostmaster@hichina.com 2026-05-28 #9

`com.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=2030687238

WOT: NOT_SAFE (20/100)

Same first word

joct.com.cn

joct.cn

Similar names

tcoj.de

octj.pl

jtoc.cn

jtoc.jp

tjoc.jp

jcto.io

tocj.com

tjco.cn

jotc.com.jo

tjco.tw

jcto.cn

jtco.or.jp

jcto.com

jotc.co.jp

cojt.ca

tcoj.com

jtco.us

tcjo.cn

jotc.co.uk

tjco.co.uk

tjco.com

jtco.net

jotc.org.uk

cjto.cn

jcot.or.jp

tjoc.cn

tojc.org

jcot.gr.jp

tjco.org

cjto.com

otcj.com

tjco.net

jtco.com

ctoj.de

jcot.org

cjto.co.uk

tojc.cn

jtoc.com

jcot.net

cojt.fr

jotc.org

jotc.com

cjot.org

DNS History

11 records (2 active, 9 former)

○NSdns1.iidns.com2016-01-23 → 2017-01-08 · 4 obs

● 2016-01-23 04:34:56
● 2017-01-08 00:30:46
○ 2018-01-09 19:25:34
○ 2026-07-15 14:33:34

○NSdns2.iidns.com2016-01-23 → 2016-04-11 · 4 obs

● 2016-01-23 04:34:56
● 2016-04-11 00:13:22
○ 2018-01-09 19:25:34
○ 2026-07-15 14:33:34

●NSdns29.hichina.com2026-03-03 → 2026-07-15 · 3 obs

○ 2018-01-09 19:25:34
● 2026-03-03 05:36:58
● 2026-07-15 14:33:34

○NSdns3.iidns.com2016-01-23 → 2016-04-11 · 4 obs

● 2016-01-23 04:34:56
● 2016-04-11 00:13:22
○ 2018-01-09 19:25:34
○ 2026-07-15 14:33:34

●NSdns30.hichina.com2026-03-03 → 2026-07-15 · 3 obs

○ 2018-01-09 19:25:34
● 2026-03-03 05:36:58
● 2026-07-15 14:33:34

○NSdns4.iidns.com2016-01-23 → 2016-04-11 · 4 obs

● 2016-01-23 04:34:56
● 2016-04-11 00:13:22
○ 2018-01-09 19:25:34
○ 2026-07-15 14:33:34

○NSdns5.iidns.com2016-01-23 → 2016-04-11 · 4 obs

● 2016-01-23 04:34:56
● 2016-04-11 00:13:22
○ 2018-01-09 19:25:34
○ 2026-07-15 14:33:34

○NSdns6.iidns.com2016-01-23 → 2016-04-11 · 4 obs

● 2016-01-23 04:34:56
● 2016-04-11 00:13:22
○ 2018-01-09 19:25:34
○ 2026-07-15 14:33:34

○A107.167.19.752016-04-11 → 2016-04-11 · 3 obs

● 2016-04-11 00:13:22
○ 2018-01-09 19:25:34
○ 2026-07-15 14:33:34

○A107.167.19.762016-04-11 → 2016-04-11 · 3 obs

● 2016-04-11 00:13:22
○ 2018-01-09 19:25:34
○ 2026-07-15 14:33:34

○CNAMEcs.ename.net2016-01-23 → 2016-04-11 · 4 obs

● 2016-01-23 04:34:56
● 2016-04-11 00:13:22
○ 2017-01-08 00:30:46
○ 2026-07-15 14:33:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	c.dns.cn, b.dns.cn, a.dns.cn, e.dns.cn...	-
joct.com.cn	dns29.hichina.com, dns30.hichina.com	-

✅ Authoritative Response

Server:139.224.142.109

NS records: dns29.hichina.com, dns30.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for joct.com.cn (unsigned zone)

⏱️ Timing

Total: 4204ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns29.hichina.com, dns30.hichina.com`
SOA	1	`dns29.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

joct.com.cn is served by two delegated name servers, dns29.hichina.com and dns30.hichina.com.

joct.com.cn uses the same name servers as several other domains — among them zhangjiajia.com.cn, bjxrs.com, 51eduu.com and two more.

joct.com.cn has at least partial name server overlap with other domains, such as dianytech.com, fcgsnews.com, 0517w.com and two others.

It is common to find these name servers paired with the name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Hostnames that resolve to 9 IP addresses:

dns29.hichina.com carries IP addresses 39.96.153.39, 39.96.153.59 and 47.118.199.199, with 6 other addresses beyond those.

dns30.hichina.com carries IP addresses 39.96.153.37, 39.96.153.62 and 47.118.199.197, with 6 other addresses beyond those.

joct.com.cn - robtex.com

joct.com.cn

com.cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

`joct.com.cn`

`com.cn`