dnl.ac.cn - robtex.com
dnl.ac.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 119.78.130.31🇨🇳 CSTNET-AS-AP119.78.130.0/23 | ||||||
| A | 119.78.130.36🇨🇳 CSTNET-AS-AP119.78.130.0/23 | ||||||
| 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 2026-05-08 #18 | ||||||
ac.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=2027268791 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A119.78.130.312026-05-02 → 2026-05-10 · 2 obs
● 2026-05-10 01:30:10
●A119.78.130.362026-05-02 → 2026-05-10 · 2 obs
● 2026-05-10 01:30:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| dnl.ac.cn | ns1.sfn.cn, ns2.sfn.cn | - |
✅ Authoritative Response
Server:101.37.119.99
NS records: ns1.sfn.cn, ns2.sfn.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dnl.ac.cn (unsigned zone)
⏱️ Timing
Total: 2097ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 119.78.130.31, 119.78.130.36 |
| NS | 2 | ns2.sfn.cn, ns1.sfn.cn |
| SOA | 1 | ns1.sfn.cn root.ns1.sfn.cn |
Analysis
IP Addresses
dnl.ac.cn has two IP numbers: 119.78.130.31 and 119.78.130.36.
Other host names, for example webservice-c-2019.dicp.ac.cn, share IP numbers with dnl.ac.cn.
Name Servers
dnl.ac.cn's delegation uses two name servers: ns1.sfn.cn and ns2.sfn.cn.
dnl.ac.cn uses the same name server setup as other domains, such as jyiyuan.com.cn, yml.com.cn, fiege.com.cn, project-hope.sh.cn and igcas.ac.cn.
dnl.ac.cn at least partially shares name servers with other domains, including hupo.org.cn, sciencep.com, gzstats.gov.cn, ecpmi.org.cn and casconf.cn.
Host names with two IP numbers: ns2.sfn.cn points to 101.37.119.99 and 111.63.77.30.
Host names with one IP number: ns1.sfn.cn points to 111.63.77.29.