cstad.com.cn - robtex.com
cstad.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.sfn.cn ⚠️ Not in zone NS records | ||||||
| A | 111.63.77.29🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route) | ||||||
| NS | ns2.sfn.cn ⚠️ Not in zone NS records | ||||||
| A | 101.37.119.99🇨🇳 Alibaba-Cloud101.37.0.0/17 | ||||||
| A | 111.63.77.30🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route) | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030690667 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| cstad.com.cn | ns1.sfn.cn, ns2.sfn.cn | - |
✅ Authoritative Response
Server:111.63.77.29
NS records: ns1.sfn.cn, ns2.sfn.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cstad.com.cn (unsigned zone)
⏱️ Timing
Total: 3872ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.sfn.cn, ns1.sfn.cn |
| SOA | 1 | ns1.sfn.cn root.ns1.sfn.cn |
Analysis
Name Servers
DNS delegation for cstad.com.cn points to two name servers: ns1.sfn.cn and ns2.sfn.cn.
cstad.com.cn uses the same name servers as several other domains — among them bwstor.com.cn, s(0x787878)jy.cn, library.hn.cn and two more.
The name servers for cstad.com.cn are at least partly shared with other domains such as hupo.org.cn, tjjncaw.gov.cn, sciencep.com and gzstats.gov.cn.
Hostnames that resolve to two IP addresses:
ns2.sfn.cn has two IP addresses: 101.37.119.99 and 111.63.77.30.
Hosts with just one IP address:
ns1.sfn.cn directs to 111.63.77.29.