`livecourse.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 2026-06-04 #13

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035046166

Same first word

livecourse.com.cn

livecourse.net

livecourse.cn

livecourse.com

livecourse.org

Similar names

DNS History

2 records (2 active, 0 former)

●NSdns31.hichina.com2026-07-06 → 2026-07-16 · 2 obs

● 2026-07-06 09:14:58
● 2026-07-16 06:48:20

●NSdns32.hichina.com2026-07-06 → 2026-07-16 · 2 obs

● 2026-07-06 09:14:58
● 2026-07-16 06:48:20

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:139.224.142.109

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for livecourse.cn (unsigned zone)

⏱️ Timing

Total: 3920ms | Queries: -

📄 Records

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

Analysis

Name Servers

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

livecourse.cn shares its NS records with other domains, for example aukids.net, kakaskin.com, qibaodwight.com and two others.

livecourse.cn partially shares its NS delegation with several other domains, including webdesign688.com, datelaser.com, fshovic.com and two others.

The name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com are often found in use alongside these name servers.

DNS names with 9 IP addresses:

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.cn - robtex.com

livecourse.cn

cn