ct1sls.cdcb.com - robtex.com
ct1sls.cdcb.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 240e:712:10:6e:175:31:253:228🇨🇳 CHINANET-BACKBONE240e:710::/30 China Telecom (Jilin) Limited | ||||||
| A | 175.31.253.228🇨🇳 CHINANET-BACKBONE175.30.0.0/15 China Telecom Network | ||||||
cdcb.com
| CNAME | www.cdcb.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2409:8718:c2a:10::34🇨🇳 CMNET-JILIN-AS-AP2409:8718:c00::/40 CMI (Customer Route) | ||||||
| A | 124.234.166.224🇨🇳 CHINANET-BACKBONE124.234.0.0/15 China Telecom Data Network Management Division Network Operation & Maintenance Department No 19 Chaoyangmen North Street Dongcheng District | ||||||
| NS | cm1sls.cdcb.com ⚠️ Not in zone NS records | ||||||
| NS | ct1sls.cdcb.com ⚠️ Not in zone NS records | ||||||
| NS | cu1sls.cdcb.com ⚠️ Not in zone NS records | ||||||
NS for
Similar names
DNS History
2 records (2 active, 0 former)
●A175.31.253.2282026-02-24 → 2026-03-27 · 2 obs
● 2026-02-24 22:21:08
● 2026-03-27 17:56:26
● 2026-03-27 17:56:26
●A240e:712:10:6e:175:31:253:2282026-02-24 → 2026-03-27 · 2 obs
● 2026-02-24 22:21:08
● 2026-03-27 17:56:26
● 2026-03-27 17:56:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| cdcb.com | dns13.hichina.com, dns14.hichina.com | 18 records |
✅ Authoritative Response
Server:139.224.142.122
NS records: dns13.hichina.com, dns14.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdcb.com (unsigned zone)
⏱️ Timing
Total: 532ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 175.31.253.228 |
| AAAA | 1 | 240e:712:10:6e:175:31:253:228 |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns13.hichina.com, dns13.hichina.com, dns13.hichina.com...)
Analysis
Name Server Role
For www.cdcb.com, ct1sls.cdcb.com is used as a name server.
cm1sls.cdcb.com and cu1sls.cdcb.com are commonly used as name servers together with ct1sls.cdcb.com.
IP Addresses
ct1sls.cdcb.com resolves to two IPs: 240e:712:10:6e:175:31:253:228 and 175.31.253.228.
Other host names, for instance ctdca.jlnls.com, ct1sls.cccb.cn and ns1.jlnls.com share IP numbers with ct1sls.cdcb.com.