dwcourse.com - dns.ninja
dwcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
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=1785198747 | ||||||
Same first word
dwcourse.com |
Similar names
DNS History
12 records (0 active, 12 former)
○NSlisa.ns.cloudflare.com2026-02-24 → 2026-04-02 · 4 obs
○ 2017-04-05 13:59:02
● 2026-02-24 20:30:46
● 2026-04-02 15:41:58
○ 2026-07-28 00:34:22
● 2026-02-24 20:30:46
● 2026-04-02 15:41:58
○ 2026-07-28 00:34:22
○NSmaxim.ns.cloudflare.com2026-02-24 → 2026-04-02 · 4 obs
○ 2017-04-05 13:59:02
● 2026-02-24 20:30:46
● 2026-04-02 15:41:58
○ 2026-07-28 00:34:22
● 2026-02-24 20:30:46
● 2026-04-02 15:41:58
○ 2026-07-28 00:34:22
○NSns1.m19.siteground.biz2015-07-31 → 2017-04-05 · 4 obs
● 2015-07-31 20:38:04
● 2017-04-05 13:59:02
○ 2026-02-24 20:30:46
○ 2026-07-28 00:34:22
● 2017-04-05 13:59:02
○ 2026-02-24 20:30:46
○ 2026-07-28 00:34:22
○NSns2.m19.siteground.biz2015-07-31 → 2017-04-05 · 4 obs
● 2015-07-31 20:38:04
● 2017-04-05 13:59:02
○ 2026-02-24 20:30:46
○ 2026-07-28 00:34:22
● 2017-04-05 13:59:02
○ 2026-02-24 20:30:46
○ 2026-07-28 00:34:22
○MXmx10.mailspamprotection.com2015-07-31 → 2017-04-05 · 4 obs
● 2015-07-31 20:38:04
● 2017-04-05 13:59:02
○ 2026-02-24 20:30:46
○ 2026-07-28 00:34:22
● 2017-04-05 13:59:02
○ 2026-02-24 20:30:46
○ 2026-07-28 00:34:22
○MXmx20.mailspamprotection.com2015-07-31 → 2017-04-05 · 4 obs
● 2015-07-31 20:38:04
● 2017-04-05 13:59:02
○ 2026-02-24 20:30:46
○ 2026-07-28 00:34:22
● 2017-04-05 13:59:02
○ 2026-02-24 20:30:46
○ 2026-07-28 00:34:22
○MXmx30.mailspamprotection.com2015-07-31 → 2017-04-05 · 4 obs
● 2015-07-31 20:38:04
● 2017-04-05 13:59:02
○ 2026-02-24 20:30:46
○ 2026-07-28 00:34:22
● 2017-04-05 13:59:02
○ 2026-02-24 20:30:46
○ 2026-07-28 00:34:22
○A104.21.16.352026-02-24 → 2026-04-02 · 4 obs
○ 2017-04-05 13:59:02
● 2026-02-24 20:30:46
● 2026-04-02 15:41:58
○ 2026-07-28 00:34:22
● 2026-02-24 20:30:46
● 2026-04-02 15:41:58
○ 2026-07-28 00:34:22
○A172.67.166.182026-02-24 → 2026-04-02 · 4 obs
○ 2017-04-05 13:59:02
● 2026-02-24 20:30:46
● 2026-04-02 15:41:58
○ 2026-07-28 00:34:22
● 2026-02-24 20:30:46
● 2026-04-02 15:41:58
○ 2026-07-28 00:34:22
○A181.224.145.632015-07-31 → 2017-04-05 · 4 obs
● 2015-07-31 20:38:04
● 2017-04-05 13:59:02
○ 2026-02-24 20:30:46
○ 2026-07-28 00:34:22
● 2017-04-05 13:59:02
○ 2026-02-24 20:30:46
○ 2026-07-28 00:34:22
○A2606:4700:3032::ac43:a6122026-02-24 → 2026-04-02 · 4 obs
○ 2017-04-05 13:59:02
● 2026-02-24 20:30:46
● 2026-04-02 15:41:58
○ 2026-07-28 00:34:22
● 2026-02-24 20:30:46
● 2026-04-02 15:41:58
○ 2026-07-28 00:34:22
○A2606:4700:3037::6815:10232026-02-24 → 2026-04-02 · 4 obs
○ 2017-04-05 13:59:02
● 2026-02-24 20:30:46
● 2026-04-02 15:41:58
○ 2026-07-28 00:34:22
● 2026-02-24 20:30:46
● 2026-04-02 15:41:58
○ 2026-07-28 00:34:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.54.112.30
NS records: c.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 191ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|