devprep.courses - dns.ninja
devprep.courses
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dave.ns.cloudflare.com ⭐ | ||||||
| NS | venus.ns.cloudflare.com | ||||||
| SOA | dave.ns.cloudflare.comdns@cloudflare.com serial=2418284302 | ||||||
courses
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.courses ⭐ | ||||||
| NS | b.nic.courses | ||||||
| NS | c.nic.courses | ||||||
| NS | x.nic.courses | ||||||
| NS | y.nic.courses | ||||||
| NS | z.nic.courses | ||||||
| SOA | a.nic.coursesadmin@tldns.godaddy serial=1793524209 | ||||||
DNS History
2 records (2 active, 0 former)
●NSdave.ns.cloudflare.com2026-10-24 → 2026-11-01 · 2 obs
● 2026-10-24 09:44:50
● 2026-11-01 11:13:58
● 2026-11-01 11:13:58
●NSvenus.ns.cloudflare.com2026-10-24 → 2026-11-01 · 2 obs
● 2026-10-24 09:44:50
● 2026-11-01 11:13:58
● 2026-11-01 11:13:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses... | 12 records |
| devprep.courses | dave.ns.cloudflare.com, venus.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.235
NS records: dave.ns.cloudflare.com, venus.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for devprep.courses (unsigned zone)
⏱️ Timing
Total: 1400ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dave.ns.cloudflare.com, venus.ns.cloudflare.com |
| SOA | 1 | dave.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)
Analysis
Name Servers
devprep.courses is delegated to two name servers, dave.ns.cloudflare.com and venus.ns.cloudflare.com.