classroom.dev - robtex.com
classroom.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.24.57.1🇺🇸 AS397273216.24.57.0/24 655 5th St 19 San Francisco CA 94107 United States | ||||||
| PTR | ip-216-24-57-1.ingress.render.com | ||||||
| NS | ns15.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21b0::8🇺🇸 GODADDY-DNS2603:5:21b0::/44 | ||||||
| PTR | ns15.domaincontrol.com | ||||||
| A | 97.74.107.8🇺🇸 GODADDY-DNS97.74.106.0/23 | ||||||
| PTR | ns15.domaincontrol.com | ||||||
| NS | ns16.domaincontrol.com | ||||||
| A | 2603:5:22b0::8🇺🇸 GODADDY-DNS2603:5:22b0::/44 | ||||||
| PTR | ns16.domaincontrol.com | ||||||
| A | 173.201.75.8🇺🇸 GODADDY-DNS173.201.74.0/23 | ||||||
| PTR | ns16.domaincontrol.com | ||||||
| SOA | ns15.domaincontrol.comdns@jomax.net 2025-08-12 #7 | ||||||
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
3 records (3 active, 0 former)
●NSns15.domaincontrol.com2026-08-31 → 2026-11-04 · 2 obs
● 2026-11-04 16:28:38
●NSns16.domaincontrol.com2026-08-31 → 2026-11-04 · 2 obs
● 2026-11-04 16:28:38
●A216.24.57.12026-08-31 → 2026-11-04 · 2 obs
● 2026-11-04 16:28:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| classroom.dev | ns16.domaincontrol.com, ns15.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.107.8
NS records: ns16.domaincontrol.com, ns15.domaincontrol.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: 1337ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.24.57.1 |
| NS | 2 | ns15.domaincontrol.com, ns16.domaincontrol.com |
| SOA | 1 | ns15.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
classroom.dev resolves to just one IP address, 216.24.57.1.
Two other host names, along with dinizcompany.com, match2date.be and bringmehomepets.com, also share IP numbers with classroom.dev.
Name Servers
classroom.dev is served by two delegated name servers, ns15.domaincontrol.com and ns16.domaincontrol.com.
classroom.dev shares its NS records with other domains, for example deanecomputers.co.uk, bruntonwire.com, environmentalharmonies.com and two others.
classroom.dev at least partially shares name servers with other domains, for instance pinchflat.cc.
Each of the two host names carries two IP addresses: ns15.domaincontrol.com points to 97.74.107.8 and 2603:5:21b0::8, and ns16.domaincontrol.com points to 173.201.75.8 and 2603:5:22b0::8.