lightcourse.com - dns.ninja

`lightcourse.com`

DNSSEC	⚠️ Not signed
A	47.251.7.82^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
NS	`dns11.hichina.com` ⭐
		A	2408:4009:501::19^{🇨🇳 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	`dns12.hichina.com`
		A	2408:4009:501::20^{🇨🇳 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,}
TXT	`d5e8cf3cddc6821ec40d46b3fcd7f341c0cd22086fcca08b1da57f848ad552c3`
SOA	`dns11.hichina.com`hostmaster@hichina.com 2026-05-28 #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=1785119932

WOT: SAFE (60/100)

Same first word

lightcourse.com

lightcourse.xyz

lightcourse.net

Similar names

DNS History

8 records (3 active, 5 former)

●NSdns11.hichina.com2021-10-13 → 2026-07-27 · 3 obs

○ 2017-04-21 04:52:54
● 2021-10-13 10:49:48
● 2026-07-27 03:06:50

●NSdns12.hichina.com2021-10-13 → 2026-07-27 · 3 obs

○ 2017-04-21 04:52:54
● 2021-10-13 10:49:48
● 2026-07-27 03:06:50

○NSns1.bluehost.com2015-08-20 → 2017-04-21 · 4 obs

● 2015-08-20 21:32:18
● 2017-04-21 04:52:54
○ 2021-10-13 10:49:48
○ 2026-07-27 03:06:50

○NSns2.bluehost.com2015-08-20 → 2017-04-21 · 4 obs

● 2015-08-20 21:32:18
● 2017-04-21 04:52:54
○ 2021-10-13 10:49:48
○ 2026-07-27 03:06:50

○MXmail.lightcourse.com2015-08-20 → 2017-04-21 · 4 obs

● 2015-08-20 21:32:18
● 2017-04-21 04:52:54
○ 2021-10-13 10:49:48
○ 2026-07-27 03:06:50

●A47.251.7.822026-02-24 → 2026-07-27 · 3 obs

○ 2021-10-13 10:49:48
● 2026-02-24 10:15:44
● 2026-07-27 03:06:50

○A47.254.126.692021-10-13 → 2021-10-13 · 4 obs

○ 2017-04-21 04:52:54
● 2021-10-13 10:49:48
○ 2026-02-24 10:15:44
○ 2026-07-27 03:06:50

○A66.147.244.922015-08-20 → 2017-04-21 · 4 obs

● 2015-08-20 21:32:18
● 2017-04-21 04:52:54
○ 2021-10-13 10:49:48
○ 2026-07-27 03:06:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
lightcourse.com	dns11.hichina.com, dns12.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns11.hichina.com, dns12.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lightcourse.com (unsigned zone)

⏱️ Timing

Total: 558ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.251.7.82`
NS	2	`dns12.hichina.com, dns11.hichina.com`
TXT	1	`d5e8cf3cddc6821ec40d46b3fcd7f341c0cd2208`
SOA	1	`dns11.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns11.hichina.com, dns11.hichina.com, dns11.hichina.com...)

Analysis

IP Addresses

lightcourse.com points to a single IP number: 47.251.7.82.

Name Servers

DNS delegation for lightcourse.com points to two name servers: dns11.hichina.com and dns12.hichina.com.

lightcourse.com shares its name server setup with other domains, including yusunheating.com, shenrongzhongxin.cn, ilft.cn and two others.

lightcourse.com has partial name server overlap with other domains, including ador.cn.

Host names with 9 IP numbers:

dns11.hichina.com has IP addresses 39.96.153.42, 39.96.153.52 and 47.118.199.202, plus 6 other.

dns12.hichina.com has IP addresses 39.96.153.41, 39.96.153.51 and 47.118.199.201, plus 6 other.