9pku.com - robtex.com
9pku.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 8.212.56.65🇭🇰 Alibaba-Cloud8.212.0.0/18 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| NS | dns21.hichina.com ⭐ | ||||||
| A | 2408:4009:501::29🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.100🇨🇳 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 | 139.224.142.110🇨🇳 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 | dns22.hichina.com | ||||||
| A | 2408:4009:501::30🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.98🇨🇳 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 | 139.224.142.108🇨🇳 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 | dns21.hichina.comhostmaster@hichina.com 2026-03-18 #17 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1777108501 | ||||||
Same first word
9pku.com |
Similar names
DNS History
12 records (3 active, 9 former)
○NSag1.juming.com2026-04-13 → 2026-04-13 · 4 obs
● 2026-04-13 11:16:50
○ 2026-04-25 09:27:18
○ 2026-04-25 09:27:20
○NSag2.juming.com2026-04-13 → 2026-04-13 · 4 obs
● 2026-04-13 11:16:50
○ 2026-04-25 09:27:18
○ 2026-04-25 09:27:20
○NSdns1.name-services.com2008-03-13 → 2008-03-13 · 3 obs
○ 2015-10-21 22:37:52
○ 2026-04-25 09:27:20
○NSdns2.name-services.com2008-03-13 → 2008-03-13 · 3 obs
○ 2015-10-21 22:37:52
○ 2026-04-25 09:27:20
●NSdns21.hichina.com2026-04-25 → 2026-04-25 · 3 obs
● 2026-04-25 09:27:18
● 2026-04-25 09:27:20
●NSdns22.hichina.com2026-04-25 → 2026-04-25 · 3 obs
● 2026-04-25 09:27:18
● 2026-04-25 09:27:20
○NSdns3.name-services.com2008-03-13 → 2008-03-13 · 3 obs
○ 2015-10-21 22:37:52
○ 2026-04-25 09:27:20
○NSdns4.name-services.com2008-03-13 → 2008-03-13 · 3 obs
○ 2015-10-21 22:37:52
○ 2026-04-25 09:27:20
○NSdns5.name-services.com2008-03-13 → 2008-03-13 · 3 obs
○ 2015-10-21 22:37:52
○ 2026-04-25 09:27:20
○A69.64.155.1412008-03-13 → 2008-03-13 · 3 obs
○ 2015-10-21 22:37:52
○ 2026-04-25 09:27:20
●A8.212.56.652026-04-25 → 2026-04-25 · 3 obs
● 2026-04-25 09:27:18
● 2026-04-25 09:27:20
○CNAMEagent31.juming.com2026-04-13 → 2026-04-13 · 3 obs
○ 2026-04-25 09:27:18
○ 2026-04-25 09:27:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 9pku.com | dns21.hichina.com, dns22.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.38
NS records: dns21.hichina.com, dns22.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 9pku.com (unsigned zone)
⏱️ Timing
Total: 519ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 8.212.56.65 |
| NS | 2 | dns22.hichina.com, dns21.hichina.com |
| SOA | 1 | dns21.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)
Analysis
IP Addresses
9pku.com resolves to one IP number: 8.212.56.65.
Other host names, for instance 2b6.com, g5k.com, 1p4.cn and w1q.com share IP numbers with 9pku.com.
Name Servers
9pku.com is delegated to two name servers dns21.hichina.com and dns22.hichina.com.
9pku.com shares the same name server setup as other domains, for instance riyisoft.com, jsdxq.com, andbbs.com, bzjlz.com and komiline.com.
9pku.com at least partially shares name servers with other domains, for instance bpchahv.cn, dashiqiao.net, hainanfengyi.cn, ihukou.com and gtdengine.com.
these name servers are often used together with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
dns21.hichina.com points to: 2408:4009:501::29, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.
dns22.hichina.com points to: 2408:4009:501::30, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.