computersecurityclass.com - dns.ninja
computersecurityclass.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.135.11.239🇺🇸 UCHICAGO-1128.135.0.0/16 The University of Chicago | ||||||
| NS | ns1.dreamhost.com ⭐ | ||||||
| A | 162.159.26.14Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dreamhost.com | ||||||
| NS | ns2.dreamhost.com | ||||||
| A | 162.159.26.81Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dreamhost.com | ||||||
| NS | ns3.dreamhost.com | ||||||
| A | 162.159.27.84Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.dreamhost.com | ||||||
| SOA | ns1.dreamhost.comhostmaster@dreamhost.com 2025-09-23 #0 | ||||||
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.netnstld@verisign-grs.com serial=1792369474 | ||||||
Same first word
computersecurityclass.com |
Previous names
Next names
DNS History
6 records (4 active, 2 former)
○NSlocalhost.localdomain2015-08-09 → 2017-03-28 · 4 obs
● 2017-03-28 11:43:06
○ 2026-09-07 16:56:08
○ 2026-10-19 00:54:04
●NSns1.dreamhost.com2026-09-07 → 2026-10-19 · 3 obs
● 2026-09-07 16:56:08
● 2026-10-19 00:54:04
●NSns2.dreamhost.com2026-09-07 → 2026-10-19 · 3 obs
● 2026-09-07 16:56:08
● 2026-10-19 00:54:04
●NSns3.dreamhost.com2026-09-07 → 2026-10-19 · 3 obs
● 2026-09-07 16:56:08
● 2026-10-19 00:54:04
●A128.135.11.2392026-09-07 → 2026-10-19 · 3 obs
● 2026-09-07 16:56:08
● 2026-10-19 00:54:04
○A184.73.202.122015-08-09 → 2017-03-28 · 4 obs
● 2017-03-28 11:43:06
○ 2026-09-07 16:56:08
○ 2026-10-19 00:54:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net... | - |
| computersecurityclass.com | ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com | 3 records |
✅ Authoritative Response
Server:162.159.26.14
NS records: ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.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: 343ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 128.135.11.239 |
| NS | 3 | ns1.dreamhost.com, ns2.dreamhost.com... |
| SOA | 1 | ns1.dreamhost.com hostmaster.dreamhost.c |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.dreamhost.com, ns2.dreamhost.com, ns3.dreamhost.com)
Analysis
IP Addresses
computersecurityclass.com directs to one IP number, which is 128.135.11.239.
Among the host names that share IP numbers with computersecurityclass.com are privacyart.net, midwestsecurityworkshop.com, www.midwestsecurityworkshop.com and two others.
Name Servers
computersecurityclass.com is delegated to three name servers: ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com.
At least some of computersecurityclass.com's name servers are shared with other domains, for example sageblossomevents.com, samdevine.com, nasonproductions.com and two more.
ns1.dreamhost.com, ns2.dreamhost.com and ns3.dreamhost.com each resolve to a single IP address: ns1.dreamhost.com resolves to 162.159.26.14, ns2.dreamhost.com resolves to 162.159.26.81 and ns3.dreamhost.com resolves to 162.159.27.84.