cntc-sh.com - robtex.com
cntc-sh.com
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=1774489587 | ||||||
Subdomains
mail.cntc-sh.com |
Same first word
cntc-sh.com |
DNS History
3 records (3 active, 0 former)
●NSns11.xincache.com2026-02-20 → 2026-03-26 · 2 obs
● 2026-03-26 02:13:36
●NSns12.xincache.com2026-02-20 → 2026-03-26 · 2 obs
● 2026-03-26 02:13:36
●MXedge.cnncmail.cn2026-02-20 → 2026-03-26 · 2 obs
● 2026-03-26 02:13:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net... | - |
| cntc-sh.com | ns11.xincache.com, ns12.xincache.com | 12 records |
✅ Authoritative Response
Server:1.12.0.1
NS records: ns11.xincache.com, ns12.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cntc-sh.com (unsigned zone)
⏱️ Timing
Total: 106ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns11.xincache.com, ns12.xincache.com |
| MX | 1 | edge.cnncmail.cn (pri: 5) |
| TXT | 1 | v=spf1 include:cnncmail.cn -all |
| SOA | 1 | ns11.xincache.com ns12.xincache.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ns11.xincache.com, ns11.xincache.com, ns11.xincache.com...)
Analysis
Hierarchy
The parent of mail.cntc-sh.com is cntc-sh.com.
Name Servers
Two name servers ns11.xincache.com and ns12.xincache.com handle the delegation for cntc-sh.com.
cntc-sh.com shares the same name server setup as other domains, for example mingcity.com, vancolart.com, jyjsjh.com, zjutec.com and sbislewing.net.
cntc-sh.com at least partially shares name servers with other domains, for example sehp.cn, bafangfabric.com, fintechpro.cn, rainbowdw.com and jsheshili.com.
these name servers are commonly used with the following name servers: ns19.xincache.com, ns20.xincache.com, ns13.xincache.com, ns14.xincache.com, ce1.xincache.com, ce2.xincache.com, ns17.xincache.com, ns18.xincache.com, ns15.xincache.com and ns16.xincache.com.
Host names with eight IP numbers:
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.
Host names with seven IP numbers:
ns12.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.
Mail Servers
The edge.cnncmail.cn mail server handles cntc-sh.com.
cntc-sh.com shares the same mail server setup as other domains, including hnhonghua.cn, cnnc.com.cn, cnbmc.com.cn, tjyg.com and cnsc-sh.com.
cntc-sh.com shares some mail servers with other domains, for example cnncmail.cn.
edge.cnncmail.cn points to two IP numbers: 36.26.17.78 and 43.248.244.124.