ctfcoach.com - robtex.com
ctfcoach.com
| CNAME | seastar.w2.luyouxia.net | ||||||
| CNAME | w2.luyouxia.net | ||||||
| CNAME | gtm-w1.luyouxia.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.9.243.107🇭🇰 NetLab154.9.243.0/24 SDN Premium Network | ||||||
| A | 154.12.93.37🇭🇰 FASTNET-AS154.12.93.0/24 Customer Route | ||||||
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=1778856146 | ||||||
Same first word
ctfcoach.com |
Similar names
DNS History
3 records (3 active, 0 former)
●NSbridget.dnspod.net2026-03-20 → 2026-05-15 · 2 obs
● 2026-03-20 06:17:12
● 2026-05-15 15:02:06
● 2026-05-15 15:02:06
●NSdennis.dnspod.net2026-03-20 → 2026-05-15 · 2 obs
● 2026-03-20 06:17:12
● 2026-05-15 15:02:06
● 2026-05-15 15:02:06
●CNAMEseastar.w2.luyouxia.net2026-03-20 → 2026-05-15 · 2 obs
● 2026-03-20 06:17:12
● 2026-05-15 15:02:06
● 2026-05-15 15:02:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net... | - |
| ctfcoach.com | dennis.dnspod.net, bridget.dnspod.net | - |
✅ Authoritative Response
Server:1.12.0.1
NS records: dennis.dnspod.net, bridget.dnspod.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctfcoach.com (unsigned zone)
⏱️ Timing
Total: 3768ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dennis.dnspod.net, bridget.dnspod.net |
| CNAME | 1 | seastar.w2.luyouxia.net |
| SOA | 1 | dennis.dnspod.net freednsadmin.dnspod.co |
Analysis
IP Addresses
ctfcoach.com points to two IPs: 154.9.243.107 and 154.12.93.37.
Other host names, for example, gtm-w1.luyouxia.net share IP numbers with ctfcoach.com.