usdd.cn - robtex.com
usdd.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns29.hichina.com ⭐ | ||||||
| A | 2408:4009:501::37🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.39🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.59🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.199🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.219🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.39🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.59🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.99🇨🇳 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 | 139.224.142.109🇨🇳 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 | dns30.hichina.com | ||||||
| A | 2408:4009:501::38🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.37🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.62🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.197🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.221🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.37🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.62🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.102🇨🇳 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 | 139.224.142.107🇨🇳 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 | dns29.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034717176 | ||||||
Same first word
Similar names
DNS History
6 records (2 active, 4 former)
●NSdns29.hichina.com2020-01-29 → 2026-04-27 · 3 obs
● 2020-01-29 10:02:08
● 2026-04-27 07:24:50
●NSdns30.hichina.com2020-01-29 → 2026-04-27 · 3 obs
● 2020-01-29 10:02:08
● 2026-04-27 07:24:50
○NSf1g1ns1.dnspod.net2017-02-18 → 2017-02-18 · 3 obs
○ 2020-01-29 10:02:08
○ 2026-04-27 07:24:50
○NSf1g1ns2.dnspod.net2017-02-18 → 2017-02-18 · 3 obs
○ 2020-01-29 10:02:08
○ 2026-04-27 07:24:50
○A123.108.110.782017-02-18 → 2017-02-18 · 3 obs
○ 2020-01-29 10:02:08
○ 2026-04-27 07:24:50
○CNAMEoverdue.aliyun.com2020-01-29 → 2020-02-20 · 4 obs
● 2020-02-20 01:38:42
○ 2026-03-27 03:57:32
○ 2026-04-27 07:24:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| usdd.cn | dns29.hichina.com, dns30.hichina.com | - |
✅ Authoritative Response
Server:47.118.199.197
NS records: dns29.hichina.com, dns30.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usdd.cn (unsigned zone)
⏱️ Timing
Total: 1746ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns30.hichina.com, dns29.hichina.com |
| SOA | 1 | dns29.hichina.com hostmaster.hichina.com |
Analysis
Name Servers
usdd.cn has two name servers: dns29.hichina.com and dns30.hichina.com.
usdd.cn shares the same name server setup as other domains, for example chuanganqi.com, poultrytest.cn, yitong666.com, c-ros.com and thankinfo.com.
usdd.cn shares some name servers with other domains, for example kschemi.com, fenfenda.com, arhat.cn, centum.cn and cin.cc.
These name servers are commonly used alongside expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
dns29.hichina.com points to 2408:4009:501::37, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.
dns30.hichina.com points to 2408:4009:501::38, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.