study1.cn - robtex.com
study1.cn
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=2034782291 | ||||||
Subdomains
www.study1.cn |
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
●NSjade.ns.cloudflare.com2026-04-27 → 2026-05-12 · 3 obs
● 2026-04-27 21:41:16
● 2026-05-12 09:17:56
○NSns1.alidns.com2015-08-17 → 2017-03-24 · 4 obs
● 2017-03-24 15:48:36
○ 2026-04-27 21:41:16
○ 2026-05-12 09:17:56
○NSns2.alidns.com2015-08-17 → 2017-03-24 · 4 obs
● 2017-03-24 15:48:36
○ 2026-04-27 21:41:16
○ 2026-05-12 09:17:56
●NSplato.ns.cloudflare.com2026-04-27 → 2026-05-12 · 3 obs
● 2026-04-27 21:41:16
● 2026-05-12 09:17:56
●A104.237.65.682026-04-27 → 2026-05-12 · 3 obs
● 2026-04-27 21:41:16
● 2026-05-12 09:17:56
○A124.16.31.1522015-08-17 → 2017-03-24 · 4 obs
● 2017-03-24 15:48:36
○ 2026-04-27 21:41:16
○ 2026-05-12 09:17:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| study1.cn | jade.ns.cloudflare.com, plato.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.223
NS records: jade.ns.cloudflare.com, plato.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for study1.cn (unsigned zone)
⏱️ Timing
Total: 2924ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.237.65.68 |
| NS | 2 | jade.ns.cloudflare.com, plato.ns.cloudflare.com |
| SOA | 1 | jade.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
study1.cn is the parent of www.study1.cn.
IP Addresses
study1.cn points to IP number 104.237.65.68.
Other host names, for example npsu.cn and www.study1.cn, share IPs with study1.cn.
Name Servers
study1.cn is delegated to two name servers: jade.ns.cloudflare.com and plato.ns.cloudflare.com.
study1.cn uses the same name server setup as other domains such as in-way.cn, kunga.cn, insgro.com, hithaber.com and x3296.cn.
study1.cn shares name servers with other domains at least partially, for example yufansh.com, innorder.com, dockerizedservers.com, itechnopad.com and biologistyka.pl.
These name servers are commonly used together with diana.ns.cloudflare.com, alexia.ns.cloudflare.com, henry.ns.cloudflare.com and rajeev.ns.cloudflare.com.
Host names with six IP numbers: host name jade.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa7, 2803:f800:50::6ca2:c0a7, 2a06:98c1:50::ac40:20a7, 108.162.192.167, 172.64.32.167 and 173.245.58.167; host name plato.ns.cloudflare.com points to: 2606:4700:58::adf5:3bdf, 2803:f800:50::6ca2:c1df, 2a06:98c1:50::ac40:21df, 108.162.193.223, 172.64.33.223 and 173.245.59.223.