cdcedu.cn - robtex.com
cdcedu.cn
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034601227 | ||||||
Subdomains
www.cdcedu.cn |
Same first word
cdcedu.cn |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns11.xincache.com2026-03-16 → 2026-03-28 · 3 obs
● 2026-03-16 07:56:34
● 2026-03-28 21:16:46
●NSns15.xincache.com2015-08-26 → 2026-03-28 · 2 obs
● 2026-03-28 21:16:46
●NSns16.xincache.com2015-12-13 → 2026-03-28 · 3 obs
● 2015-12-13 19:46:32
● 2026-03-28 21:16:46
●A111.63.22.712026-03-16 → 2026-03-28 · 3 obs
● 2026-03-16 07:56:34
● 2026-03-28 21:16:46
○A121.26.200.1492015-08-26 → 2017-09-20 · 4 obs
● 2017-09-20 16:34:08
○ 2026-03-16 07:56:34
○ 2026-03-28 21:16:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| cdcedu.cn | ns15.xincache.com, ns16.xincache.com | - |
✅ Authoritative Response
Server:36.155.149.180
NS records: ns15.xincache.com, ns16.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cdcedu.cn (unsigned zone)
⏱️ Timing
Total: 1344ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 111.63.22.71 |
| NS | 2 | ns16.xincache.com, ns15.xincache.com |
| SOA | 1 | ns11.xincache.com ns12.xincache.com |
Analysis
Hierarchy
cdcedu.cn is the parent of www.cdcedu.cn.
IP Addresses
cdcedu.cn points to IP number 111.63.22.71.
Other host names, for instance, www.cdcedu.cn share IP numbers with cdcedu.cn.
Name Servers
The delegation for cdcedu.cn is handled by three name servers: ns11.xincache.com, ns15.xincache.com and ns16.xincache.com.
cdcedu.cn shares name servers with other domains at least partially, for example mobilejobneed.com, wxyuange.com, tianbaolou.com, sc-kehua.com and amtblive.net.
these name servers are commonly used with the name servers ns12.xincache.com, ns13.xincache.com, ns14.xincache.com, ns19.xincache.com, ns20.xincache.com, ce1.xincache.com, ce2.xincache.com, ns17.xincache.com and ns18.xincache.com.
Host names with eight IP numbers:
The host name ns11.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.
The host name ns15.xincache.com points to: 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.
Host names with seven IP numbers:
The host name ns16.xincache.com points to: 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.
Host names that point to 2402:4e00:1470:2::e: ns11.xincache.com and ns15.xincache.com.
Host names that point to 2402:4e00:1730::e: ns11.xincache.com and ns15.xincache.com.
Host names that point to 1.12.0.4: ns11.xincache.com and ns15.xincache.com.
Host names that point to 36.155.149.180: ns11.xincache.com and ns15.xincache.com.
Host names that point to 112.80.181.45: ns11.xincache.com and ns15.xincache.com.
Host names that point to 117.89.178.173: ns11.xincache.com and ns15.xincache.com.
Host names that point to 125.94.59.210: ns11.xincache.com and ns15.xincache.com.
Host names that point to 129.211.176.209: ns11.xincache.com and ns15.xincache.com.