ctfina.cn - robtex.com
ctfina.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 42.48.99.35🇨🇳 CHINA169-Backbone42.48.0.0/15 China Unicom Hunan Province Network | ||||||
| NS | dns13.hichina.com ⭐ | ||||||
| A | 2408:4009:501::21🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.112🇨🇳 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 | 139.224.142.122🇨🇳 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 | dns14.hichina.com | ||||||
| A | 2408:4009:501::22🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.111🇨🇳 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 | 139.224.142.121🇨🇳 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 | dns13.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=2035098306 | ||||||
Subdomains
rzdb.ctfina.cn |
Same first word
ctfina.cn |
Similar names
DNS History
3 records (3 active, 0 former)
●NSdns13.hichina.com2026-06-09 → 2026-07-27 · 2 obs
● 2026-07-27 22:44:26
●NSdns14.hichina.com2026-06-09 → 2026-07-27 · 2 obs
● 2026-07-27 22:44:26
●A42.48.99.352026-06-09 → 2026-07-27 · 2 obs
● 2026-07-27 22:44:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn... | - |
| ctfina.cn | dns13.hichina.com, dns14.hichina.com | - |
✅ Authoritative Response
Server:47.118.199.211
NS records: dns13.hichina.com, dns14.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctfina.cn (unsigned zone)
⏱️ Timing
Total: 1638ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 42.48.99.35 |
| NS | 2 | dns13.hichina.com, dns14.hichina.com |
| SOA | 1 | dns13.hichina.com hostmaster.hichina.com |
Analysis
Hierarchy
ctfina.cn is the parent zone for rzdb.ctfina.cn.
IP Addresses
ctfina.cn resolves to one IP address: 42.48.99.35.
ctfina.cn shares its IP numbers with other host names, including hhcxdb.cn, www.hhcxdb.cn, hhct.csjinjuhua.com and rzdb.ctfina.cn.
Name Servers
The NS records for ctfina.cn delegate to dns13.hichina.com and dns14.hichina.com.
ctfina.cn uses the same name servers as several other domains — among them fengak.cn, chinahbjob.com, aosmolsiv.com and two more.
ctfina.cn partially shares its NS delegation with several other domains, including airmate.com.cn, qgjx.com, rggr.cn and two others.
The name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com are often found in use alongside these name servers.
Hostnames that resolve to 9 IP addresses:
dns13.hichina.com maps to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 additional IP addresses.
dns14.hichina.com maps to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 additional IP addresses.