codinglearn.cn - dns.ninja
codinglearn.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns3.hichina.com ⚠️ Not in zone NS records | ||||||
| A | 2408:4009:501::11🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.43🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.63🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.203🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.213🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.43🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.63🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.113🇨🇳 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 | 139.224.142.123🇨🇳 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 | dns4.hichina.com ⚠️ Not in zone NS records | ||||||
| A | 2408:4009:501::12🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.44🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.54🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.204🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.214🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.44🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.54🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.114🇨🇳 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 | 139.224.142.124🇨🇳 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, | ||||||
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 | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035567314 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
2 records (2 active, 0 former)
●NSdns3.hichina.com2026-09-27 → 2026-11-13 · 2 obs
● 2026-11-13 13:34:48
●NSdns4.hichina.com2026-09-27 → 2026-11-13 · 2 obs
● 2026-11-13 13:34:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, c.dns.cn, e.dns.cn, d.dns.cn... | - |
| codinglearn.cn | dns3.hichina.com, dns4.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.124
NS records: dns3.hichina.com, dns4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codinglearn.cn (unsigned zone)
⏱️ Timing
Total: 3850ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns4.hichina.com, dns3.hichina.com |
| SOA | 1 | dns3.hichina.com hostmaster.hichina.com |
Analysis
Name Servers
codinglearn.cn is delegated to two name servers: dns3.hichina.com and dns4.hichina.com.
codinglearn.cn has the same name server delegation as a number of other domains, such as hbzhongkang.com, aiyingxing.com, safesyringes.com and two more.
There is at least partial name server overlap between codinglearn.cn and other domains — iotaep.com, ycmaimai.cn, pygocbx.cn and two more among them.
These name servers frequently co-occur with the name servers expirens3.hichina.com and expirens4.hichina.com.
Host names resolving to 9 IP numbers:
dns3.hichina.com resolves to 39.96.153.43, 39.96.153.63, 47.118.199.203 and 6 other IP addresses.
dns4.hichina.com resolves to 39.96.153.44, 39.96.153.54, 47.118.199.204 and 6 other IP addresses.