webdev.courses - dns.ninja
webdev.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=1790742421 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
10 records (0 active, 10 former)
○NSkate.ns.cloudflare.com2017-03-16 → 2019-12-23 · 4 obs
● 2017-03-16 14:02:38
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
○NSlynn.ns.cloudflare.com2017-03-16 → 2019-12-23 · 4 obs
● 2017-03-16 14:02:38
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
○MXmailstore1.secureserver.net2017-03-16 → 2019-12-23 · 4 obs
● 2017-03-16 14:02:38
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
○MXsmtp.secureserver.net2017-03-16 → 2019-12-23 · 4 obs
● 2017-03-16 14:02:38
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
○A104.27.158.1402017-03-16 → 2019-12-23 · 4 obs
● 2017-03-16 14:02:38
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
○A104.27.159.1402017-03-16 → 2019-12-23 · 4 obs
● 2017-03-16 14:02:38
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
○A2400:cb00:2048:1::681b:9e8c2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 14:02:38
○ 2019-12-23 03:06:34
○ 2026-09-30 05:38:44
○ 2019-12-23 03:06:34
○ 2026-09-30 05:38:44
○A2400:cb00:2048:1::681b:9f8c2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 14:02:38
○ 2019-12-23 03:06:34
○ 2026-09-30 05:38:44
○ 2019-12-23 03:06:34
○ 2026-09-30 05:38:44
○A2606:4700:30::681b:9e8c2019-12-23 → 2019-12-23 · 4 obs
○ 2017-03-16 14:02:38
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
○A2606:4700:30::681b:9f8c2019-12-23 → 2019-12-23 · 4 obs
○ 2017-03-16 14:02:38
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
● 2019-12-23 03:06:34
○ 2026-03-27 01:21:32
○ 2026-09-30 05:38:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | z.nic.courses, b.nic.courses, x.nic.courses, y.nic.courses... | 12 records |
✅ Authoritative Response
Server:156.154.173.82
NS records: z.nic.courses, b.nic.courses, x.nic.courses, y.nic.courses, a.nic.courses, c.nic.courses
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 528ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (z.nic.courses, z.nic.courses, b.nic.courses...)