nstd.cn - dns.ninja
nstd.cn
| CNAME | www.nstd.cn | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.220.246.16🇭🇰 GNET-AS9294154.220.240.0/20 | ||||||
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=2034988311 | ||||||
Subdomains
www.nstd.cn |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○NSns1.alidns.com2015-08-14 → 2015-08-14 · 3 obs
● 2015-08-14 19:14:48
○ 2026-02-21 17:02:00
○ 2026-07-01 00:17:04
○ 2026-02-21 17:02:00
○ 2026-07-01 00:17:04
●NSns1.judns.com2026-02-21 → 2026-07-01 · 3 obs
○ 2015-08-14 19:14:48
● 2026-02-21 17:02:00
● 2026-07-01 00:17:04
● 2026-02-21 17:02:00
● 2026-07-01 00:17:04
●NSns1.julydns.com2026-02-21 → 2026-07-01 · 3 obs
○ 2015-08-14 19:14:48
● 2026-02-21 17:02:00
● 2026-07-01 00:17:04
● 2026-02-21 17:02:00
● 2026-07-01 00:17:04
○NSns2.alidns.com2015-08-14 → 2015-08-14 · 3 obs
● 2015-08-14 19:14:48
○ 2026-02-21 17:02:00
○ 2026-07-01 00:17:04
○ 2026-02-21 17:02:00
○ 2026-07-01 00:17:04
●NSns2.judns.com2026-02-21 → 2026-07-01 · 3 obs
○ 2015-08-14 19:14:48
● 2026-02-21 17:02:00
● 2026-07-01 00:17:04
● 2026-02-21 17:02:00
● 2026-07-01 00:17:04
●NSns2.julydns.com2026-02-21 → 2026-07-01 · 3 obs
○ 2015-08-14 19:14:48
● 2026-02-21 17:02:00
● 2026-07-01 00:17:04
● 2026-02-21 17:02:00
● 2026-07-01 00:17:04
○A43.161.223.1132026-02-21 → 2026-02-27 · 4 obs
● 2026-02-21 17:02:00
● 2026-02-27 12:20:32
○ 2026-03-23 17:02:48
○ 2026-07-01 00:17:04
● 2026-02-27 12:20:32
○ 2026-03-23 17:02:48
○ 2026-07-01 00:17:04
●CNAMEwww.nstd.cn2026-03-23 → 2026-07-01 · 2 obs
● 2026-03-23 17:02:48
● 2026-07-01 00:17:04
● 2026-07-01 00:17:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| nstd.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nstd.cn (unsigned zone)
⏱️ Timing
Total: 1039ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| CNAME | 1 | www.nstd.cn |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
Hierarchy
www.nstd.cn is a subdomain of nstd.cn.
IP Addresses
nstd.cn resolves to just one IP address, 154.220.246.16.
There are other host names — www.nstd.cn among them — that share IP numbers with nstd.cn.