ns2.ctdcdn.com - robtex.com
ns2.ctdcdn.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.46.23.58🇨🇳 AOFEI-HK121.46.20.0/22 OFFEI-HK | ||||||
| A | 202.55.2.69🇭🇰 CTGNet202.55.2.0/24 China Telecom Global Limited 38/F DAH SING Financial Center 108 Gloucester Road Wan Chai | ||||||
ctdcdn.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.ctdcdn.com ⭐ | ||||||
| NS | ns2.ctdcdn.com | ||||||
| NS | ns3.ctdcdn.com | ||||||
| NS | ns4.ctdcdn.com | ||||||
| SOA | ns1.ctdcdn.comweb@ctdcdn.com serial=118773350 | ||||||
NS for
Same first word
Similar names
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ns2.rag-cloud-ch.hosteur.com |
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s2n.co.nz |
2sn.eu |
2sn.fr |
2ns.de |
n2s.co |
n2s.ca |
2ns.nl |
2sn.ru |
2sn.cn |
n2s.fr |
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sn2.no |
sn2.jp |
DNS History
2 records (2 active, 0 former)
●A121.46.23.582026-02-17 → 2026-04-13 · 2 obs
● 2026-02-17 11:46:18
● 2026-04-13 16:57:00
● 2026-04-13 16:57:00
●A202.55.2.692026-02-17 → 2026-04-13 · 2 obs
● 2026-02-17 11:46:18
● 2026-04-13 16:57:00
● 2026-04-13 16:57:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net... | - |
| ctdcdn.com | ns1.ctdcdn.com, ns2.ctdcdn.com, ns3.ctdcdn.com, ns4.ctdcdn.com | 8 records |
✅ Authoritative Response
Server:180.153.82.100
NS records: ns1.ctdcdn.com, ns2.ctdcdn.com, ns3.ctdcdn.com, ns4.ctdcdn.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctdcdn.com (unsigned zone)
⏱️ Timing
Total: 3730ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 121.46.23.58, 202.55.2.69 |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (ns1.ctdcdn.com, ns1.ctdcdn.com, ns2.ctdcdn.com...)
Analysis
Name Server Role
For ctdcdn.com, ns2.ctdcdn.com is used as a name server.
ns1.ctdcdn.com, ns3.ctdcdn.com and ns4.ctdcdn.com are commonly used as name servers together with ns2.ctdcdn.com.
IP Addresses
ns2.ctdcdn.com resolves to two IPs: 121.46.23.58 and 202.55.2.69.
Other host names, for instance ns2.ctgcdn.com, ns4.epluscdn.net, ns3.ctdns.cn and ns3.ctetc.cn share IP numbers with ns2.ctdcdn.com.