proxy-matrix-kernel-on.courses - dns.ninja
proxy-matrix-kernel-on.courses
| DNSSEC | ⚠️ Not signed | ||||||
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=1782837274 | ||||||
WOT: SUSPICIOUS (1/100)
DNS History
4 records (0 active, 4 former)
○NSchelsea.ns.cloudflare.com2026-05-15 → 2026-05-16 · 4 obs
● 2026-05-15 17:48:08
● 2026-05-16 01:08:18
○ 2026-05-20 07:41:14
○ 2026-06-30 17:00:42
● 2026-05-16 01:08:18
○ 2026-05-20 07:41:14
○ 2026-06-30 17:00:42
○NSlochlan.ns.cloudflare.com2026-05-15 → 2026-05-16 · 4 obs
● 2026-05-15 17:48:08
● 2026-05-16 01:08:18
○ 2026-05-20 07:41:14
○ 2026-06-30 17:00:42
● 2026-05-16 01:08:18
○ 2026-05-20 07:41:14
○ 2026-06-30 17:00:42
○A104.21.33.2262026-05-15 → 2026-05-16 · 4 obs
● 2026-05-15 17:48:08
● 2026-05-16 01:08:18
○ 2026-05-20 07:41:14
○ 2026-06-30 17:00:42
● 2026-05-16 01:08:18
○ 2026-05-20 07:41:14
○ 2026-06-30 17:00:42
○A172.67.151.242026-05-15 → 2026-05-16 · 4 obs
● 2026-05-15 17:48:08
● 2026-05-16 01:08:18
○ 2026-05-20 07:41:14
○ 2026-06-30 17:00:42
● 2026-05-16 01:08:18
○ 2026-05-20 07:41:14
○ 2026-06-30 17:00:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses... | 12 records |
✅ Authoritative Response
Server:37.209.194.9
NS records: a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses, y.nic.courses, z.nic.courses
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 103ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)