itexam.cn - robtex.com
itexam.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.97.64.87🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD | ||||||
| NS | dns29.hichina.com ⭐ | ||||||
| A | 2408:4009:501::37🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.39🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.59🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.199🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.219🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.39🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.59🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.99🇨🇳 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, | ||||||
| A | 139.224.142.109🇨🇳 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 | dns30.hichina.com | ||||||
| A | 2408:4009:501::38🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.37🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.62🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.197🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.221🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.37🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.62🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.102🇨🇳 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, | ||||||
| A | 139.224.142.107🇨🇳 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, | ||||||
| SOA | dns29.hichina.comhostmaster@hichina.com 2026-01-09 #13 | ||||||
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=2034664016 | ||||||
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
○NSdns25.hichina.com2015-08-09 → 2020-02-06 · 4 obs
● 2020-02-06 22:26:38
○ 2026-04-09 06:31:56
○ 2026-04-13 01:03:30
○NSdns26.hichina.com2015-08-09 → 2020-02-06 · 4 obs
● 2020-02-06 22:26:38
○ 2026-04-09 06:31:56
○ 2026-04-13 01:03:30
●NSdns29.hichina.com2026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 06:31:56
● 2026-04-13 01:03:30
●NSdns30.hichina.com2026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 06:31:56
● 2026-04-13 01:03:30
○MXmxbiz1.qq.com2015-08-09 → 2020-02-06 · 4 obs
● 2020-02-06 22:26:38
○ 2026-04-09 06:31:56
○ 2026-04-13 01:03:30
○MXmxbiz2.qq.com2015-08-09 → 2020-02-06 · 4 obs
● 2020-02-06 22:26:38
○ 2026-04-09 06:31:56
○ 2026-04-13 01:03:30
○A42.121.252.1392015-08-09 → 2020-02-06 · 4 obs
● 2020-02-06 22:26:38
○ 2026-04-09 06:31:56
○ 2026-04-13 01:03:30
●A47.97.64.872026-04-09 → 2026-04-13 · 3 obs
● 2026-04-09 06:31:56
● 2026-04-13 01:03:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| itexam.cn | dns29.hichina.com, dns30.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.99
NS records: dns29.hichina.com, dns30.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for itexam.cn (unsigned zone)
⏱️ Timing
Total: 1975ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.97.64.87 |
| NS | 2 | dns30.hichina.com, dns29.hichina.com |
| SOA | 1 | dns29.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
itexam.cn points to a single IP: 47.97.64.87.
Other host names, for instance itexam.com, zxrd.net, itexam.com.cn, langkao.com and langkao.com.cn share IP numbers with itexam.cn.
Name Servers
itexam.cn's delegation is to two name servers dns29.hichina.com and dns30.hichina.com.
itexam.cn shares the same name server configuration as other domains, such as vitaminwater-china.com, buiin.com, rnm.cn, chemmade.com and tata.top.
itexam.cn at least partially shares its name servers with other domains, for instance gztc.com.cn, pilaroporto.com, 46679.cn, wdgf.org and ahf.cn.
these name servers are commonly used together with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers: dns29.hichina.com points to 2408:4009:501::37, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109; dns30.hichina.com points to 2408:4009:501::38, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.