ctwd.cn - robtex.com
ctwd.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.95.192.132🇨🇳 Alibaba-Cloud47.94.0.0/15 CT BeiJing IDC | ||||||
| NS | ns1.alidns.com ⭐ | ||||||
| A | 2408:4009:501::1🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.45🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.55🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.205🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.215🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.45🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.55🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.115🇨🇳 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 | 139.224.142.125🇨🇳 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 | ns2.alidns.com | ||||||
| A | 2408:4009:501::2🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.46🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.56🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.206🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.216🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.46🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.56🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.116🇨🇳 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 | 139.224.142.126🇨🇳 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 | ns1.alidns.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=2034592613 | ||||||
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
○NSdns1.iidns.com2015-06-26 → 2016-12-14 · 4 obs
● 2016-12-14 21:39:20
○ 2026-03-10 02:01:46
○ 2026-03-27 08:03:32
○NSdns2.iidns.com2015-06-26 → 2016-12-14 · 4 obs
● 2016-12-14 21:39:20
○ 2026-03-10 02:01:46
○ 2026-03-27 08:03:32
○NSdns3.iidns.com2015-06-26 → 2016-12-14 · 4 obs
● 2016-12-14 21:39:20
○ 2026-03-10 02:01:46
○ 2026-03-27 08:03:32
○NSdns4.iidns.com2015-06-26 → 2016-12-14 · 4 obs
● 2016-12-14 21:39:20
○ 2026-03-10 02:01:46
○ 2026-03-27 08:03:32
○NSdns5.iidns.com2015-06-26 → 2016-12-14 · 4 obs
● 2016-12-14 21:39:20
○ 2026-03-10 02:01:46
○ 2026-03-27 08:03:32
○NSdns6.iidns.com2015-06-26 → 2016-12-14 · 4 obs
● 2016-12-14 21:39:20
○ 2026-03-10 02:01:46
○ 2026-03-27 08:03:32
●NSns1.alidns.com2026-03-10 → 2026-03-27 · 3 obs
● 2026-03-10 02:01:46
● 2026-03-27 08:03:32
●NSns2.alidns.com2026-03-10 → 2026-03-27 · 3 obs
● 2026-03-10 02:01:46
● 2026-03-27 08:03:32
●A47.95.192.1322026-03-10 → 2026-03-27 · 2 obs
● 2026-03-27 08:03:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, d.dns.cn, a.dns.cn, c.dns.cn... | - |
| ctwd.cn | ns1.alidns.com, ns2.alidns.com | - |
✅ Authoritative Response
Server:139.224.142.115
NS records: ns1.alidns.com, ns2.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctwd.cn (unsigned zone)
⏱️ Timing
Total: 4143ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.95.192.132 |
| NS | 2 | ns2.alidns.com, ns1.alidns.com |
| SOA | 1 | ns1.alidns.com hostmaster.hichina.com |
Analysis
IP Addresses
ctwd.cn points to an IP address: 47.95.192.132.
other host names include tncf.cn, edtm.cn, bghs.cn, gmsr.cn and amesh.cn; they share IP numbers with ctwd.cn.
Name Servers
Two name servers ns1.alidns.com and ns2.alidns.com handle the delegation for ctwd.cn.
ctwd.cn shares the same name server setup as other domains, for instance 84384acfb1015.beer, 1f6e8f1181011.beer, 365pie.com, fc718d69311012.beer and huaxiong.com.
ctwd.cn at least partially shares name servers with other domains, for instance 8787fuli.com, 630613.com, webcast.cn, aaaoffer.xyz and usat.cn.
These name servers are commonly used with ns7.alidns.com, ns8.alidns.com, dns10.hichina.com, dns9.hichina.com, dns23.hichina.com and dns24.hichina.com.
Host names with nine IP numbers:
ns1.alidns.com points to: 2408:4009:501::1, 39.96.153.45, 39.96.153.55, 47.118.199.205, 47.118.199.215, 120.76.107.45, 120.76.107.55, 139.224.142.115 and 139.224.142.125.
ns2.alidns.com points to: 2408:4009:501::2, 39.96.153.46, 39.96.153.56, 47.118.199.206, 47.118.199.216, 120.76.107.46, 120.76.107.56, 139.224.142.116 and 139.224.142.126.