tcsj.cn - robtex.com
tcsj.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.126.210.42🇨🇳 CLOUDIE-AS-AP103.126.210.0/23 | ||||||
| NS | dns21.hichina.com ⭐ | ||||||
| A | 2408:4009:501::29🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.100🇨🇳 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 | 139.224.142.110🇨🇳 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 | dns22.hichina.com | ||||||
| A | 2408:4009:501::30🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.98🇨🇳 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 | 139.224.142.108🇨🇳 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 | dns21.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
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=2034666449 | ||||||
Same first word
Similar names
DNS History
10 records (3 active, 7 former)
○NSdns1.iidns.com2015-08-15 → 2016-12-23 · 4 obs
● 2016-12-23 23:16:10
○ 2026-04-10 20:33:30
○ 2026-04-13 14:18:44
○NSdns2.iidns.com2015-08-15 → 2016-06-24 · 4 obs
● 2016-06-24 18:09:58
○ 2026-04-10 20:33:30
○ 2026-04-13 14:18:44
●NSdns21.hichina.com2026-04-10 → 2026-04-13 · 3 obs
● 2026-04-10 20:33:30
● 2026-04-13 14:18:44
●NSdns22.hichina.com2026-04-10 → 2026-04-13 · 3 obs
● 2026-04-10 20:33:30
● 2026-04-13 14:18:44
○NSdns3.iidns.com2015-08-15 → 2016-06-24 · 4 obs
● 2016-06-24 18:09:58
○ 2026-04-10 20:33:30
○ 2026-04-13 14:18:44
○NSdns4.iidns.com2015-08-15 → 2016-06-24 · 4 obs
● 2016-06-24 18:09:58
○ 2026-04-10 20:33:30
○ 2026-04-13 14:18:44
○NSdns5.iidns.com2015-08-15 → 2016-06-24 · 4 obs
● 2016-06-24 18:09:58
○ 2026-04-10 20:33:30
○ 2026-04-13 14:18:44
○NSdns6.iidns.com2015-08-15 → 2016-06-24 · 4 obs
● 2016-06-24 18:09:58
○ 2026-04-10 20:33:30
○ 2026-04-13 14:18:44
●A103.126.210.422026-04-10 → 2026-04-13 · 3 obs
● 2026-04-10 20:33:30
● 2026-04-13 14:18:44
○A121.199.9.1662015-08-15 → 2016-03-07 · 4 obs
● 2016-03-07 22:37:38
○ 2026-04-10 20:33:30
○ 2026-04-13 14:18:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| tcsj.cn | dns21.hichina.com, dns22.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.100
NS records: dns21.hichina.com, dns22.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tcsj.cn (unsigned zone)
⏱️ Timing
Total: 3906ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.126.210.42 |
| NS | 2 | dns21.hichina.com, dns22.hichina.com |
| SOA | 1 | dns21.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
tcsj.cn points to a single IP number: 103.126.210.42.
Other host names, for instance qhcl.cn, wtcs.cn, www.qlcn.cn, hntw.cn and sxzf.com.cn share IP numbers with tcsj.cn.
Name Servers
Delegation for tcsj.cn rests with two name servers, dns21.hichina.com and dns22.hichina.com.
tcsj.cn shares the same name server setup as other domains, including whbjbd.com, qaure.com, pcbfbj.com, chinamainland.cn and shlongyin.com.
tcsj.cn at least partially shares name servers with other domains, for instance maose.cn, cjqd.com, v1mu.com, hnsycyxzx.com and fjjzzs.com.
these name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com and ns1.alidns.com.
Host names with nine IP numbers:
dns21.hichina.com points to: 2408:4009:501::29, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.
dns22.hichina.com points to: 2408:4009:501::30, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.