🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`linuxworkshop.net`

	DNSSEC	⚠️ Not signed
	A	54.144.38.219
	NS	`ns1.cosmotown.com` ⭐
	NS	`ns2.cosmotown.com`
	NS	`ns3.cosmotown.com`
	NS	`ns4.cosmotown.com`
	SOA	`ns1.cosmotown.com`dns@cloudflare.com serial=2415215686

`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=1790087654

Subdomains

ns1.linuxworkshop.net

Same first word

linuxworkshop.net

linuxworkshop.de

DNS History

8 records (5 active, 3 former)

●NSns1.cosmotown.com2026-04-17 → 2026-09-22 · 3 obs

○ 2018-01-13 14:12:36
● 2026-04-17 21:23:12
● 2026-09-22 14:44:40

○NSns1.dynadot.com2018-01-13 → 2018-01-13 · 3 obs

● 2018-01-13 14:12:36
○ 2026-04-17 21:23:12
○ 2026-09-22 14:44:40

●NSns2.cosmotown.com2026-04-17 → 2026-09-22 · 3 obs

○ 2018-01-13 14:12:36
● 2026-04-17 21:23:12
● 2026-09-22 14:44:40

○NSns2.dynadot.com2018-01-13 → 2018-01-13 · 3 obs

● 2018-01-13 14:12:36
○ 2026-04-17 21:23:12
○ 2026-09-22 14:44:40

●NSns3.cosmotown.com2026-04-17 → 2026-09-22 · 3 obs

○ 2018-01-13 14:12:36
● 2026-04-17 21:23:12
● 2026-09-22 14:44:40

●NSns4.cosmotown.com2026-04-17 → 2026-09-22 · 3 obs

○ 2018-01-13 14:12:36
● 2026-04-17 21:23:12
● 2026-09-22 14:44:40

○A52.0.217.442018-01-13 → 2018-01-13 · 3 obs

● 2018-01-13 14:12:36
○ 2026-04-17 21:23:12
○ 2026-09-22 14:44:40

●A54.144.38.2192026-04-17 → 2026-09-22 · 3 obs

○ 2018-01-13 14:12:36
● 2026-04-17 21:23:12
● 2026-09-22 14:44:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linuxworkshop.net	ns1.cosmotown.com, ns2.cosmotown.com, ns3.cosmotown.com, ns4.cosmotown.com	-

✅ Authoritative Response

Server:198.41.223.232

NS records: ns1.cosmotown.com, ns2.cosmotown.com, ns3.cosmotown.com, ns4.cosmotown.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 1734ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.144.38.219`
NS	4	`ns1.cosmotown.com, ns2.cosmotown.com...`
SOA	1	`ns1.cosmotown.com dns.cloudflare.com`

Analysis

Hierarchy

linuxworkshop.net is the parent zone for ns1.linuxworkshop.net.

IP Addresses

linuxworkshop.net has exactly one IP address — 54.144.38.219.

Name Servers

Four name servers handle the delegation for linuxworkshop.net: ns1.cosmotown.com, ns2.cosmotown.com, ns3.cosmotown.com and ns4.cosmotown.com.

linuxworkshop.net - robtex.com