2021.cn - robtex.com
2021.cn
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034456417 | ||||||
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
●NSns1.ename.net2026-02-27 → 2026-02-27 · 3 obs
● 2026-02-27 08:56:32
● 2026-02-27 10:37:38
●NSns2.ename.net2026-02-27 → 2026-02-27 · 3 obs
● 2026-02-27 08:56:32
● 2026-02-27 10:37:38
○NSns3.dns.com2018-05-27 → 2018-05-27 · 3 obs
○ 2026-02-27 08:56:32
○ 2026-02-27 10:37:38
○NSns4.dns.com2018-05-27 → 2018-05-27 · 3 obs
○ 2026-02-27 08:56:32
○ 2026-02-27 10:37:38
○A103.85.27.482018-05-27 → 2018-05-27 · 3 obs
○ 2026-02-27 08:56:32
○ 2026-02-27 10:37:38
●A8.130.118.2372026-02-27 → 2026-02-27 · 3 obs
● 2026-02-27 08:56:32
● 2026-02-27 10:37:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 2021.cn | ns1.ename.net, ns2.ename.net | - |
✅ Authoritative Response
Server: 1.193.216.198
NS records: ns1.ename.net, ns2.ename.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 2021.cn (unsigned zone)
⏱️ Timing
Total: 4696ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 8.130.118.237 |
| NS | 2 | ns1.ename.net, ns2.ename.net |
| SOA | 1 | ns1.ename.net admin.ename.net |
AI analysis
2021.cn points to a single IP: 8.130.118.237.
Other host names, for instance 79.cn, www.liulanqi.com.cn, msg.79.cn, liulanqi.com.cn and shzf.cn share IP numbers with 2021.cn.
2021.cn's delegation is to two name servers ns1.ename.net and ns2.ename.net.
2021.cn shares the same name server configuration as other domains, such as 300620.com, 43567.com, qcsx.com, zazx.com and liangdou.com.
2021.cn shares name servers with other domains at least partially, for example ckhm.com.
Host names with four IP numbers:
ns2.ename.net points to: 240e:97d:10:1402:0:1:0:1005, 1.193.216.198, 183.253.57.199 and 211.99.99.52.
Host names with three IP numbers:
ns1.ename.net points to: 2001:df2:f080:1::8, 61.158.128.31 and 218.98.111.173.