kdubook.com - robtex.com
kdubook.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=1774478742 | ||||||
Same first word
kdubook.com |
DNS History
5 records (0 active, 5 former)
○NSdns13.hichina.com2026-03-25 → 2026-03-25 · 1 obs
○ 2026-03-25 22:52:12
○NSdns14.hichina.com2026-03-25 → 2026-03-25 · 1 obs
○ 2026-03-25 22:52:12
○NSf1g1ns1.dnspod.net2017-11-22 → 2017-11-22 · 2 obs
● 2017-11-22 04:14:42
○ 2026-03-25 22:52:12
○ 2026-03-25 22:52:12
○NSf1g1ns2.dnspod.net2017-11-22 → 2017-11-22 · 2 obs
● 2017-11-22 04:14:42
○ 2026-03-25 22:52:12
○ 2026-03-25 22:52:12
○CNAMEexpired.hichina.com2026-03-25 → 2026-03-25 · 1 obs
○ 2026-03-25 22:52:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.48.79.30
NS records: d.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 232ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|