ek100.cn - robtex.com
ek100.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 139.129.162.23🇨🇳 Alibaba-Cloud139.129.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | dns31.hichina.com ⭐ | ||||||
| A | 2408:4009:501::39🇨🇳 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 | dns32.hichina.com | ||||||
| A | 2408:4009:501::40🇨🇳 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 | dns31.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=2035004380 | ||||||
Subdomains
tiku.ek100.cn |
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
○NSdns13.hichina.com2015-08-07 → 2016-07-12 · 4 obs
● 2016-07-12 05:45:06
○ 2020-01-25 16:55:30
○ 2026-07-05 05:34:02
○NSdns14.hichina.com2015-08-07 → 2016-07-12 · 4 obs
● 2016-07-12 05:45:06
○ 2020-01-25 16:55:30
○ 2026-07-05 05:34:02
●NSdns31.hichina.com2020-01-25 → 2026-07-05 · 3 obs
● 2020-01-25 16:55:30
● 2026-07-05 05:34:02
●NSdns32.hichina.com2020-01-25 → 2026-07-05 · 3 obs
● 2020-01-25 16:55:30
● 2026-07-05 05:34:02
○A115.28.168.1602015-08-07 → 2016-07-12 · 4 obs
● 2016-07-12 05:45:06
○ 2020-01-25 16:55:30
○ 2026-07-05 05:34:02
●A139.129.162.232026-07-03 → 2026-07-05 · 3 obs
● 2026-07-03 07:02:54
● 2026-07-05 05:34:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ek100.cn | dns31.hichina.com, dns32.hichina.com | - |
✅ Authoritative Response
Server:47.118.199.219
NS records: dns31.hichina.com, dns32.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ek100.cn (unsigned zone)
⏱️ Timing
Total: 4735ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 139.129.162.23 |
| NS | 2 | dns32.hichina.com, dns31.hichina.com |
| SOA | 1 | dns31.hichina.com hostmaster.hichina.com |
Analysis
Hierarchy
tiku.ek100.cn is a subdomain of ek100.cn.
IP Addresses
ek100.cn has exactly one IP address — 139.129.162.23.
Other host names — eduexam.cn, ceweilai.cn, tiku.ek100.cn and www.51kaoguo.com — share IP numbers with ek100.cn.
Name Servers
ek100.cn is delegated to two name servers: dns31.hichina.com and dns32.hichina.com.
The name server configuration of ek100.cn is shared with other domains, for instance lanchensl.cn, rshaoxianju.com, klude.net and two others.
The name servers of ek100.cn overlap at least partially with those of other domains — among them wfypsk.net, 1hd.co, gwogwo.shop and two more.
These name servers commonly appear alongside the name servers expirens3.hichina.com and expirens4.hichina.com.
Hosts with 9 IP addresses each:
dns31.hichina.com resolves to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 other IP addresses.
dns32.hichina.com resolves to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 other IP addresses.