go-study.cn - robtex.com
go-study.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.108.26.65🇨🇳 Alibaba-Cloud47.108.0.0/16 | ||||||
| NS | dns9.hichina.com ⭐ | ||||||
| A | 2408:4009:501::17🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.112🇨🇳 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 | 139.224.142.122🇨🇳 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 | dns10.hichina.com | ||||||
| A | 2408:4009:501::18🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.111🇨🇳 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 | 139.224.142.121🇨🇳 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, | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | dns9.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=2034593898 | ||||||
Same first word
Similar names
DNS History
17 records (5 active, 12 former)
●NSdns10.hichina.com2026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 02:48:30
● 2026-03-27 13:39:54
●NSdns9.hichina.com2026-03-26 → 2026-03-27 · 3 obs
● 2026-03-26 02:48:30
● 2026-03-27 13:39:54
○NSns1.eurodns.com2015-06-19 → 2015-06-19 · 3 obs
○ 2015-10-29 08:25:32
○ 2026-03-27 13:39:54
○NSns2.eurodns.com2015-06-19 → 2015-06-19 · 3 obs
○ 2015-10-29 08:25:32
○ 2026-03-27 13:39:54
○NSvip1.alidns.com2020-04-03 → 2020-04-03 · 4 obs
● 2020-04-03 15:35:30
○ 2026-03-26 02:48:30
○ 2026-03-27 13:39:54
○NSvip2.alidns.com2020-04-03 → 2020-04-03 · 4 obs
● 2020-04-03 15:35:30
○ 2026-03-26 02:48:30
○ 2026-03-27 13:39:54
○NSwww.go-study.cn2015-10-29 → 2016-04-29 · 5 obs
● 2015-10-29 08:25:32
● 2016-04-29 05:24:44
○ 2017-04-03 18:57:16
○ 2026-03-27 13:39:54
○MXio.bouncemx.com2015-10-29 → 2016-04-29 · 5 obs
● 2015-10-29 08:25:32
● 2016-04-29 05:24:44
○ 2017-04-03 18:57:16
○ 2026-03-27 13:39:54
○MXmail.go-study.cn2015-06-19 → 2015-06-19 · 3 obs
○ 2015-10-29 08:25:32
○ 2026-03-27 13:39:54
●MXmxbiz1.qq.com2020-04-03 → 2026-03-27 · 3 obs
● 2020-04-03 15:35:30
● 2026-03-27 13:39:54
●MXmxbiz2.qq.com2020-04-03 → 2026-03-27 · 3 obs
● 2020-04-03 15:35:30
● 2026-03-27 13:39:54
●A47.108.26.652020-04-03 → 2026-03-27 · 3 obs
● 2020-04-03 15:35:30
● 2026-03-27 13:39:54
○A70.39.84.2342015-10-29 → 2015-10-29 · 4 obs
● 2015-10-29 08:25:32
○ 2016-01-15 09:18:02
○ 2026-03-27 13:39:54
○A70.39.84.2412016-04-29 → 2016-04-29 · 4 obs
● 2016-04-29 05:24:44
○ 2017-04-03 18:57:16
○ 2026-03-27 13:39:54
○A70.39.84.2512016-01-15 → 2016-01-15 · 4 obs
● 2016-01-15 09:18:02
○ 2016-04-29 05:24:44
○ 2026-03-27 13:39:54
○A80.92.65.1442015-06-19 → 2015-06-19 · 3 obs
○ 2015-10-29 08:25:32
○ 2026-03-27 13:39:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| go-study.cn | dns9.hichina.com, dns10.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.121
NS records: dns9.hichina.com, dns10.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: 4405ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.108.26.65 |
| NS | 2 | dns10.hichina.com, dns9.hichina.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | dns9.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
go-study.cn points to a single IP: 47.108.26.65.
Name Servers
Two name servers dns10.hichina.com and dns9.hichina.com handle delegation for go-study.cn.
go-study.cn uses the same name server setup as other domains, for example bangboss.net, isoap.net, zalandoclub.com, chinetools.com and aiolia-international.net.
go-study.cn shares name servers with other domains at least in part, for instance kablinglancable.com.
Host names with nine IP numbers:
dns10.hichina.com points to: 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
dns9.hichina.com points to: 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
Mail Servers
go-study.cn is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
go-study.cn has the same mail server setup as other domains, including yijd.com, 999ax.com, giarns.com, bjqxwh.com and whccys.com.
go-study.cn shares some mail servers with other domains, for example broswear.com, dgjyjh.com and 5c5y.com.