99study.com.cn - robtex.com
99study.com.cn
| 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 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030566238 | ||||||
Same first word
99study.com.cn |
DNS History
11 records (5 active, 6 former)
●NSdns15.hichina.com2026-05-13 → 2026-05-13 · 3 obs
● 2026-05-13 16:48:00
● 2026-05-13 16:48:04
●NSdns16.hichina.com2026-05-13 → 2026-05-13 · 3 obs
● 2026-05-13 16:48:00
● 2026-05-13 16:48:04
●NSexpirens3.hichina.com2026-05-13 → 2026-05-13 · 3 obs
● 2026-05-13 16:48:00
● 2026-05-13 16:48:04
●NSexpirens4.hichina.com2026-05-13 → 2026-05-13 · 3 obs
● 2026-05-13 16:48:00
● 2026-05-13 16:48:04
○NSns1.nowcndns.com2026-03-02 → 2026-03-02 · 4 obs
● 2026-03-02 13:27:22
○ 2026-05-13 16:48:00
○ 2026-05-13 16:48:04
○NSns2.nowcndns.com2026-03-02 → 2026-03-02 · 4 obs
● 2026-03-02 13:27:22
○ 2026-05-13 16:48:00
○ 2026-05-13 16:48:04
○NSns6.dnsdun.com2020-02-25 → 2020-02-25 · 3 obs
○ 2026-03-02 13:27:22
○ 2026-05-13 16:48:04
○NSns6.dnsdun.net2020-02-25 → 2020-02-25 · 3 obs
○ 2026-03-02 13:27:22
○ 2026-05-13 16:48:04
○A154.90.244.282026-03-02 → 2026-03-02 · 4 obs
● 2026-03-02 13:27:22
○ 2026-05-13 16:48:00
○ 2026-05-13 16:48:04
○A23.107.246.372020-02-25 → 2020-02-25 · 3 obs
○ 2026-03-02 13:27:22
○ 2026-05-13 16:48:04
●CNAMEexpired.hichina.com2026-05-13 → 2026-05-13 · 2 obs
● 2026-05-13 16:48:04
🔍 DNS Trace
Analysis
IP Addresses
Three IP numbers are pointed to by 99study.com.cn: 8.218.208.240, 47.76.127.217 and 47.91.170.222.
Other host names, for instance expired.hichina.com, share IP numbers with 99study.com.cn.
Name Servers
Delegation for 99study.com.cn rests with two name servers, ns1.alidns.com and ns2.alidns.com.
99study.com.cn shares the same name server setup as other domains, including re08.cc, 6bbd744a410272.beer, moftown.com, chengzijianzhan.cn and fdf97cc4211032.beer.
99study.com.cn at least partially shares name servers with other domains, for instance astor.cn, 90ss.com, aovtv.com, huixin.net and cnmind.com.
These name servers are commonly used together with the name servers ns7.alidns.com, ns8.alidns.com, dns10.hichina.com, dns9.hichina.com, dns25.hichina.com, dns26.hichina.com, dns7.hichina.com, dns8.hichina.com, dns3.hichina.com and dns4.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.