ctfincloud.cn - robtex.com
ctfincloud.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 8.146.160.50🇨🇳 Alibaba-Cloud8.146.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| NS | dns19.hichina.com ⭐ | ||||||
| A | 2408:4009:501::27🇨🇳 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 | dns20.hichina.com | ||||||
| A | 2408:4009:501::28🇨🇳 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 | dns19.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=2034595486 | ||||||
Same first word
ctfincloud.com |
ctfincloud.cn |
DNS History
3 records (3 active, 0 former)
●NSdns19.hichina.com2026-02-14 → 2026-03-27 · 2 obs
● 2026-03-27 20:00:58
●NSdns20.hichina.com2026-02-14 → 2026-03-27 · 2 obs
● 2026-03-27 20:00:58
●A8.146.160.502026-02-14 → 2026-03-27 · 2 obs
● 2026-03-27 20:00:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| ctfincloud.cn | dns19.hichina.com, dns20.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.110
NS records: dns19.hichina.com, dns20.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctfincloud.cn (unsigned zone)
⏱️ Timing
Total: 3734ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 8.146.160.50 |
| NS | 2 | dns19.hichina.com, dns20.hichina.com |
| SOA | 1 | dns19.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
ctfincloud.cn points to a single IP number: 8.146.160.50.
Name Servers
ctfincloud.cn is delegated to two name servers: dns19.hichina.com and dns20.hichina.com.
ctfincloud.cn uses the same name server setup as other domains, for instance sinppon.com, a-b-c.ltd, gowinled.com, putuku.com and xingtailuxi.com.
ctfincloud.cn shares name servers with other domains at least partially, for instance chaohaow.com, seaie.org, vilnius.cn, ozero.xyz and whatscar.com.
These name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com, ns7.alidns.com, ns8.alidns.com, ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers: dns19.hichina.com points to 2408:4009:501::27, 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; dns20.hichina.com points to 2408:4009:501::28, 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.