pretrain.cn - robtex.com
pretrain.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns27.hichina.com ⭐ | ||||||
| A | 2408:4009:501::35🇨🇳 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 | dns28.hichina.com | ||||||
| A | 2408:4009:501::36🇨🇳 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 | dns27.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=2034590022 | ||||||
Same first word
Similar names
DNS History
6 records (2 active, 4 former)
●NSdns27.hichina.com2026-02-22 → 2026-03-26 · 3 obs
● 2026-02-22 10:59:44
● 2026-03-26 15:43:58
●NSdns28.hichina.com2026-02-22 → 2026-03-26 · 3 obs
● 2026-02-22 10:59:44
● 2026-03-26 15:43:58
○NSmain2.ns365.net2016-07-25 → 2017-03-24 · 4 obs
● 2017-03-24 14:38:40
○ 2020-02-20 03:58:50
○ 2026-03-26 15:43:58
○NSns5.gzidc.com2016-07-25 → 2017-03-24 · 4 obs
● 2017-03-24 14:38:40
○ 2020-02-20 03:58:50
○ 2026-03-26 15:43:58
○NSns6.gzidc.com2016-07-25 → 2017-03-24 · 4 obs
● 2017-03-24 14:38:40
○ 2020-02-20 03:58:50
○ 2026-03-26 15:43:58
○A103.231.107.1832016-07-25 → 2017-03-24 · 4 obs
● 2017-03-24 14:38:40
○ 2020-02-20 03:58:50
○ 2026-03-26 15:43:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| pretrain.cn | dns27.hichina.com, dns28.hichina.com | - |
✅ Authoritative Response
Server:39.96.153.62
NS records: dns27.hichina.com, dns28.hichina.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn
⏱️ Timing
Total: 4374ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns28.hichina.com, dns27.hichina.com |
| SOA | 1 | dns27.hichina.com hostmaster.hichina.com |
Analysis
Name Servers
Two name servers dns27.hichina.com and dns28.hichina.com handle the delegation for pretrain.cn.
pretrain.cn shares the same name server setup as other domains, for example colourful-sky.com, 8d2.net, 568fuli.com, qdap.com and inluck.net.
pretrain.cn at least partially shares name servers with other domains, for example myteam.cn, duduchuanqi.net, 72hold.com, dadida.com and musicvideo.cn.
these name servers commonly pair with ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers: dns27.hichina.com points to: 2408:4009:501::35, 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; dns28.hichina.com points to: 2408:4009:501::36, 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.