`livecourse.com.cn`

DNSSEC	⚠️ Not signed
NS	`dns31.hichina.com` ⭐
		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`
		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,}
SOA	`dns31.hichina.com`hostmaster@hichina.com 2026-03-24 #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=2030686784

WOT: NOT_SAFE (20/100)

Same first word

livecourse.org

livecourse.com.cn

livecourse.net

livecourse.cn

livecourse.com

Similar names

DNS History

2 records (2 active, 0 former)

●NSdns31.hichina.com2026-07-06 → 2026-07-15 · 2 obs

● 2026-07-06 09:13:16
● 2026-07-15 08:46:08

●NSdns32.hichina.com2026-07-06 → 2026-07-15 · 2 obs

● 2026-07-06 09:13:16
● 2026-07-15 08:46:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
livecourse.com.cn	dns31.hichina.com, dns32.hichina.com	-

✅ Authoritative Response

Server:39.96.153.37

NS records: dns31.hichina.com, dns32.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2127ms | Queries: -

📄 Records

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

Analysis

Name Servers

livecourse.com.cn is delegated to two name servers: dns31.hichina.com and dns32.hichina.com.

The name server configuration of livecourse.com.cn is shared with other domains, for instance qnln.com, teoyall.com, zhidian.me and two others.

There is at least partial name server overlap between livecourse.com.cn and other domains — ciodl.cn, ntcaf.com, tencentsoft.com and two more among them.

These name servers frequently co-occur with the name servers expirens3.hichina.com and expirens4.hichina.com.

Hosts with 9 IP addresses each:

dns31.hichina.com resolves to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 other IP addresses.

dns32.hichina.com resolves to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 other IP addresses.

livecourse.com.cn - robtex.com