tfsc.org.cn - robtex.com
tfsc.org.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.72.145.4🇨🇳 CSTNET-AS-AP210.72.144.0/23 | ||||||
| NS | ns1.sfn.cn ⭐ | ||||||
| A | 111.63.77.29🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route) | ||||||
| NS | ns2.sfn.cn | ||||||
| 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) | ||||||
| SOA | ns1.sfn.cnroot@ns1.sfn.cn 2026-05-15 #8 | ||||||
org.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=2027855952 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●A210.72.145.42026-05-04 → 2026-05-15 · 2 obs
● 2026-05-04 06:56:06
● 2026-05-15 01:05:00
● 2026-05-15 01:05:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, d.dns.cn, e.dns.cn, a.dns.cn... | - |
| tfsc.org.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 tfsc.org.cn (unsigned zone)
⏱️ Timing
Total: 3359ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.72.145.4 |
| NS | 2 | ns1.sfn.cn, ns2.sfn.cn |
| SOA | 1 | ns1.sfn.cn root.ns1.sfn.cn |
Analysis
IP Addresses
tfsc.org.cn resolves to one IP number: 210.72.145.4.
Name Servers
tfsc.org.cn is delegated to two name servers ns1.sfn.cn and ns2.sfn.cn.
tfsc.org.cn shares the same name server setup as other domains, for instance jmsgjj.org.cn, patent.com.cn, abac.com.cn, dznj12380.gov.cn and sstp.com.cn.
tfsc.org.cn shares at least some name servers with other domains, for example zjc.com.cn, xtel.cn and scedu.com.cn.
Two IP numbers for a host: ns2.sfn.cn points to 101.37.119.99 and 111.63.77.30.
One IP number for a host: ns1.sfn.cn points to 111.63.77.29.