compsci.cn - robtex.com
compsci.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 159.226.49.45🇨🇳 CSTNET-AS-AP159.226.49.0/24 | ||||||
| PTR | cell.sccas.cn | ||||||
| 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 2026-05-11 #8 | ||||||
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=2034776674 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●A159.226.49.452020-02-21 → 2026-05-11 · 2 obs
● 2026-05-11 02:29:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| compsci.cn | ns1.sfn.cn, ns2.sfn.cn | 3 records |
✅ Authoritative Response
Server:111.63.77.29
NS records: ns1.sfn.cn, ns2.sfn.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for compsci.cn (unsigned zone)
⏱️ Timing
Total: 1320ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 159.226.49.45 |
| NS | 2 | ns2.sfn.cn, ns1.sfn.cn |
| SOA | 1 | ns1.sfn.cn root.ns1.sfn.cn |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.sfn.cn, ns2.sfn.cn, ns2.sfn.cn)
Analysis
IP Addresses
compsci.cn points to a single IP: 159.226.49.45.
Other host names, for instance moly.org.cn, share IP numbers with compsci.cn.
Name Servers
compsci.cn's delegation is to two name servers ns1.sfn.cn and ns2.sfn.cn.
compsci.cn shares the same name server configuration as other domains, such as jdis.org, ssfy.gov.cn, kvs.com.cn, cbcbeijing.com.cn and ferring.com.cn.
compsci.cn shares name servers with other domains at least partially, for instance mirslab.ac.cn, bphg.com.cn and segit.com.cn.
Host names with two IPs:
ns2.sfn.cn points to: 101.37.119.99 and 111.63.77.30.
Host names with one IP:
ns1.sfn.cn points to: 111.63.77.29.