ndco.cn - robtex.com
ndco.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 3.93.123.222🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix | ||||||
| PTR | ec2-3-93-123-222.compute-1.amazonaws.com | ||||||
| NS | dns17.hichina.com ⭐ | ||||||
| A | 2408:4009:501::25🇨🇳 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 | dns18.hichina.com | ||||||
| A | 2408:4009:501::26🇨🇳 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 | dns17.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=2034687574 | ||||||
Same first word
Similar names
DNS History
18 records (3 active, 15 former)
○NSdns1.iidns.com2015-06-21 → 2016-05-02 · 4 obs
● 2016-05-02 09:40:38
○ 2018-09-26 07:23:00
○ 2026-04-19 12:01:10
●NSdns17.hichina.com2026-03-27 → 2026-04-19 · 3 obs
● 2026-03-27 03:28:44
● 2026-04-19 12:01:10
●NSdns18.hichina.com2026-03-27 → 2026-04-19 · 3 obs
● 2026-03-27 03:28:44
● 2026-04-19 12:01:10
○NSdns2.iidns.com2015-06-21 → 2016-05-02 · 4 obs
● 2016-05-02 09:40:38
○ 2026-03-27 03:28:44
○ 2026-04-19 12:01:10
○NSdns3.iidns.com2015-06-21 → 2016-05-02 · 4 obs
● 2016-05-02 09:40:38
○ 2026-03-27 03:28:44
○ 2026-04-19 12:01:10
○NSdns4.iidns.com2015-06-21 → 2016-05-02 · 4 obs
● 2016-05-02 09:40:38
○ 2026-03-27 03:28:44
○ 2026-04-19 12:01:10
○NSdns5.iidns.com2015-06-21 → 2016-05-02 · 4 obs
● 2016-05-02 09:40:38
○ 2026-03-27 03:28:44
○ 2026-04-19 12:01:10
○NSdns6.iidns.com2015-06-21 → 2016-05-02 · 4 obs
● 2016-05-02 09:40:38
○ 2026-03-27 03:28:44
○ 2026-04-19 12:01:10
○NSwww.ndco.cn2018-09-26 → 2018-09-26 · 4 obs
● 2018-09-26 07:23:00
○ 2026-03-27 03:28:44
○ 2026-04-19 12:01:10
○A107.167.19.672015-11-08 → 2015-11-08 · 4 obs
● 2015-11-08 09:28:26
○ 2026-03-27 03:28:44
○ 2026-04-19 12:01:10
○A107.167.19.682015-11-08 → 2015-11-08 · 4 obs
● 2015-11-08 09:28:26
○ 2026-03-27 03:28:44
○ 2026-04-19 12:01:10
○A107.167.19.692015-11-08 → 2015-11-08 · 4 obs
● 2015-11-08 09:28:26
○ 2026-03-27 03:28:44
○ 2026-04-19 12:01:10
○A107.167.19.702015-11-08 → 2015-11-08 · 4 obs
● 2015-11-08 09:28:26
○ 2026-03-27 03:28:44
○ 2026-04-19 12:01:10
○A198.148.92.872015-06-21 → 2015-06-21 · 3 obs
○ 2018-09-26 07:23:00
○ 2026-04-19 12:01:10
○A198.148.92.882015-06-21 → 2015-06-21 · 3 obs
○ 2018-09-26 07:23:00
○ 2026-04-19 12:01:10
●A3.93.123.2222026-03-27 → 2026-04-19 · 3 obs
● 2026-03-27 03:28:44
● 2026-04-19 12:01:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ndco.cn | dns17.hichina.com, dns18.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.110
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ndco.cn (unsigned zone)
⏱️ Timing
Total: 1926ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.93.123.222 |
| NS | 2 | dns17.hichina.com, dns18.hichina.com |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
ndco.cn points to a single IP number: 3.93.123.222.
other host names for instance rnco.cn, busg.cn, pfco.cn, fdco.cn and cuoco.cn share IP numbers with ndco.cn.
Name Servers
ndco.cn is delegated to two name servers: dns17.hichina.com and dns18.hichina.com.
ndco.cn shares the same name server setup as other domains, for example beijingshouer.com.cn, ygscyun.com, bornforthis.cn, dongwe.cn and hyyd.net.
ndco.cn partially shares name servers with other domains, for instance umsp.cn, tujiashe.com, scvip.com and 27fa.com.
These name servers are often used with expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers:
dns17.hichina.com points to: 2408:4009:501::25, 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.
dns18.hichina.com points to: 2408:4009:501::26, 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.