itcasa.cn - robtex.com
itcasa.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns31.hichina.com ⭐ | ||||||
| A | 2408:4009:501::39🇨🇳 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 | dns32.hichina.com | ||||||
| A | 2408:4009:501::40🇨🇳 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, | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com ⭐ | ||||||
| SOA | dns31.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=2034597276 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns31.hichina.com2026-02-16 → 2026-03-28 · 2 obs
● 2026-03-28 05:18:16
●NSdns32.hichina.com2026-02-16 → 2026-03-28 · 2 obs
● 2026-03-28 05:18:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn... | - |
| itcasa.cn | dns31.hichina.com, dns32.hichina.com | - |
✅ Authoritative Response
Server:39.96.153.37
NS records: dns31.hichina.com, dns32.hichina.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn
⏱️ Timing
Total: 4201ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns31.hichina.com, dns32.hichina.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 5) |
| SOA | 1 | dns31.hichina.com hostmaster.hichina.com |
Analysis
Name Servers
itcasa.cn is delegated to two name servers: dns31.hichina.com and dns32.hichina.com.
itcasa.cn uses the same name server setup as other domains, including temaishang.com, viho.com.cn, syvvy.com, wavewisdom-bj.com and watchroad.net.
At least part of the name servers for itcasa.cn are shared with other domains, for instance zhonor.com, gwgsc.net, msuan.com, zhailaoban.com and tenoly.com.
These name servers are commonly used alongside ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
dns31.hichina.com points to: 2408:4009:501::39, 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.
dns32.hichina.com points to: 2408:4009:501::40, 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.
Mail Servers
itcasa.cn is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
itcasa.cn uses the same mail server setup as other domains, for instance thumbmedia.com, jaspore.com, easycorp.ltd, farben.com.cn and hakersnj.com.cn.
itcasa.cn shares at least some mail servers with other domains, for example tuxiaobei.com, kick7.cn, ev-eg.com, qitelu.com and omoo.tv.