`gwcourse.net`

DNSSEC	⚠️ Not signed
NS	`a.share-dns.com`
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net`
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}

`net`

	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=1778357206

Same first word

gwcourse.com

gwcourse.net

gwcourse.cn

Similar names

wgsource.com

secugrow.de

DNS History

4 records (2 active, 2 former)

●NSa.share-dns.com2026-04-27 → 2026-05-09 · 3 obs

○ 2019-01-25 22:41:16
● 2026-04-27 23:21:54
● 2026-05-09 20:16:54

●NSb.share-dns.net2026-04-27 → 2026-05-09 · 3 obs

○ 2019-01-25 22:41:16
● 2026-04-27 23:21:54
● 2026-05-09 20:16:54

○NSdns10.hichina.com2017-01-04 → 2019-01-25 · 4 obs

● 2017-01-04 10:36:26
● 2019-01-25 22:41:16
○ 2026-04-27 23:21:54
○ 2026-05-09 20:16:54

○NSdns9.hichina.com2017-01-04 → 2019-01-25 · 4 obs

● 2017-01-04 10:36:26
● 2019-01-25 22:41:16
○ 2026-04-27 23:21:54
○ 2026-05-09 20:16:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
gwcourse.net	a.share-dns.com, b.share-dns.net	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: a.share-dns.com, b.share-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gwcourse.net (unsigned zone)

⏱️ Timing

Total: 325ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`a.share-dns.com, b.share-dns.net`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (b.share-dns.net)

Analysis

Name Servers

gwcourse.net has two name servers: a.share-dns.com and b.share-dns.net.

gwcourse.net shares the same name server setup as other domains, for example hnzhgl.com, bet365197.com, fjfengteng.com, winevaluator.com and aliexpresswk.com.

gwcourse.net shares some name servers with other domains, for example cdad84083a9e0e13.com, 1001kadin.com, dltdpj.com, whsesc.com and waregoods.com.

these name servers are often used with a12.share-dns.com, b12.share-dns.net, a10.share-dns.com, b10.share-dns.net, a11.share-dns.com, b11.share-dns.net, a5.share-dns.com, b5.share-dns.net, a9.share-dns.com and b9.share-dns.net.

Host names with a single IP:

a.share-dns.com points to 172.64.53.25

b.share-dns.net points to 172.64.52.239

gwcourse.net - robtex.com

gwcourse.net

net