study.space - robtex.com
study.space
| CNAME | expired.hichina.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 8.218.208.240🇭🇰 Alibaba-Cloud8.218.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 47.76.127.217🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object | ||||||
| A | 47.91.170.222🇭🇰 Alibaba-Cloud47.91.128.0/18 Alibaba Cloud | ||||||
| NS | ns1.alidns.com ⭐ ⚠️ Not in parent delegation | ||||||
| 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 ⚠️ Not in parent delegation | ||||||
| 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 2026-01-12 #9 | ||||||
space
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1778373531 | ||||||
Subdomains
assets.study.space |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSdamian.ns.cloudflare.com2026-02-24 → 2026-04-06 · 4 obs
● 2026-04-06 12:44:52
○ 2026-04-13 05:07:46
○ 2026-05-10 00:44:58
●NSdns17.hichina.com2026-04-13 → 2026-05-10 · 3 obs
● 2026-04-13 05:07:46
● 2026-05-10 00:44:58
●NSdns18.hichina.com2026-04-13 → 2026-05-10 · 3 obs
● 2026-04-13 05:07:46
● 2026-05-10 00:44:58
●NSexpirens3.hichina.com2026-04-13 → 2026-05-10 · 3 obs
● 2026-04-13 05:07:46
● 2026-05-10 00:44:58
●NSexpirens4.hichina.com2026-04-13 → 2026-05-10 · 3 obs
● 2026-04-13 05:07:46
● 2026-05-10 00:44:58
○NSharleigh.ns.cloudflare.com2026-02-24 → 2026-04-06 · 4 obs
● 2026-04-06 12:44:52
○ 2026-04-13 05:07:46
○ 2026-05-10 00:44:58
○MXmailstore1.secureserver.net2026-02-24 → 2026-04-06 · 4 obs
● 2026-04-06 12:44:52
○ 2026-04-13 05:07:46
○ 2026-05-10 00:44:58
○MXsmtp.secureserver.net2026-02-24 → 2026-04-06 · 4 obs
● 2026-04-06 12:44:52
○ 2026-04-13 05:07:46
○ 2026-05-10 00:44:58
○A47.251.141.2252026-02-24 → 2026-04-06 · 4 obs
● 2026-04-06 12:44:52
○ 2026-04-13 05:07:46
○ 2026-05-10 00:44:58
●CNAMEexpired.hichina.com2026-04-13 → 2026-05-10 · 2 obs
● 2026-05-10 00:44:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| space | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | 8 records |
| study.space | expirens3.hichina.com, expirens4.hichina.com | - |
✅ Authoritative Response
Server:47.118.199.223
NS records: expirens3.hichina.com, expirens4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for study.space (unsigned zone)
⏱️ Timing
Total: 1016ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns17.hichina.com, dns18.hichina.com |
| CNAME | 1 | expired.hichina.com |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns01.trs-dns.net...)
Analysis
Hierarchy
study.space is the parent of assets.study.space.
IP Addresses
Three IP numbers (8.218.208.240, 47.76.127.217 and 47.91.170.222) are pointed to by study.space.
Other host names, for instance expired.hichina.com, share IP numbers with study.space.
Name Servers
study.space is delegated to two name servers: ns1.alidns.com and ns2.alidns.com.
study.space shares the same name server setup as other domains, for example delmarchina.com, 2f3b740e311021.beer, 8e1ca30a81016.beer, jnkdzs.com and 7de73fbea1024.beer.
study.space at least partially shares name servers with other domains, for instance edumall.cn, signing.cn, playcloud.cn, ellaeden.com and fetek.com.cn.
These name servers are often used together with the name servers ns7.alidns.com, ns8.alidns.com, dns7.hichina.com, dns8.hichina.com, dns10.hichina.com, dns9.hichina.com, dns27.hichina.com, dns28.hichina.com, dns15.hichina.com and dns16.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.