cnnu.com.cn - robtex.com
cnnu.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.105.53.93🇨🇳 Alibaba-Cloud47.105.0.0/16 | ||||||
| NS | ns12.bigwww.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2408:4009:501::10🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 120.76.107.43🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.113🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | ns1.bigwww.com ⚠️ Not in parent delegation | ||||||
| A | 39.96.153.43🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.203🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| NS | ns11.bigwww.com ⚠️ Not in zone NS records | ||||||
| A | 2408:4009:501::9🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.43🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.203🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| NS | ns2.bigwww.com ⚠️ Not in zone NS records | ||||||
| A | 120.76.107.43🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.113🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| SOA | ns11.bigwww.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030567076 | ||||||
Subdomains
www.cnnu.com.cn |
Same first word
Similar names
DNS History
8 records (7 active, 1 former)
●NSns1.bigwww.com2026-05-10 → 2026-05-14 · 3 obs
● 2026-05-10 14:38:22
● 2026-05-14 03:45:32
●NSns11.bigwww.com2015-07-06 → 2026-05-14 · 2 obs
● 2026-05-14 03:45:32
●NSns12.bigwww.com2026-05-10 → 2026-05-14 · 3 obs
● 2026-05-10 14:38:22
● 2026-05-14 03:45:32
●NSns2.bigwww.com2026-05-10 → 2026-05-14 · 3 obs
● 2026-05-10 14:38:22
● 2026-05-14 03:45:32
○A121.42.7.582015-07-06 → 2017-08-28 · 4 obs
● 2017-08-28 11:08:44
○ 2026-05-10 14:38:22
○ 2026-05-14 03:45:32
●A47.105.53.932026-05-10 → 2026-05-14 · 3 obs
● 2026-05-10 14:38:22
● 2026-05-14 03:45:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, d.dns.cn, a.dns.cn, e.dns.cn... | - |
| cnnu.com.cn | ns1.bigwww.com, ns2.bigwww.com | - |
✅ Authoritative Response
Server:139.224.142.113
NS records: ns1.bigwww.com, ns2.bigwww.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cnnu.com.cn (unsigned zone)
⏱️ Timing
Total: 1732ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.105.53.93 |
| NS | 2 | ns11.bigwww.com, ns12.bigwww.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| SOA | 1 | ns11.bigwww.com hostmaster.hichina.com |
Analysis
Hierarchy
cnnu.com.cn is the parent of www.cnnu.com.cn.
IP Addresses
cnnu.com.cn resolves to one IP number: 47.105.53.93.
Other host names, for instance www.cnnu.com.cn, share IP numbers with cnnu.com.cn.
Name Servers
cnnu.com.cn is delegated to four name servers: ns11.bigwww.com, ns12.bigwww.com, ns1.bigwww.com and ns2.bigwww.com.
cnnu.com.cn at least partially shares name servers with other domains, for instance digitalmanu.com, chiheba.com, cstrn.net, keruiylqx.com and 520zc.com.
These name servers are commonly used with the following name servers: ns13.bigwww.com, ns14.bigwww.com, ns15.bigwww.com, ns16.bigwww.com, ens11.bigwww.com, ens12.bigwww.com, dns7.hichina.com, dns8.hichina.com, dns31.hichina.com and dns32.hichina.com.
Three IP numbers:
ns11.bigwww.com points to 2408:4009:501::9, 39.96.153.43 and 47.118.199.203.
ns12.bigwww.com points to 2408:4009:501::10, 120.76.107.43 and 139.224.142.113.
Two IP numbers:
ns1.bigwww.com points to 39.96.153.43 and 47.118.199.203.
ns2.bigwww.com points to 120.76.107.43 and 139.224.142.113.
Hosts pointing to 39.96.153.43: ns11.bigwww.com and ns1.bigwww.com.
Hosts pointing to 47.118.199.203: ns11.bigwww.com and ns1.bigwww.com.
Hosts pointing to 120.76.107.43: ns12.bigwww.com and ns2.bigwww.com.
Hosts pointing to 139.224.142.113: ns12.bigwww.com and ns2.bigwww.com.
Mail Servers
Two mail servers handle cnnu.com.cn: mxbiz1.qq.com and mxbiz2.qq.com.
cnnu.com.cn shares the same mail server setup as other domains, for instance astudio.com, dfacg.com, curverela.com, hldao.com and wholesale21.com.
cnnu.com.cn shares mail servers with other domains to some extent, for instance mugong.com.