icb.org.cn - robtex.com
icb.org.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) | ||||||
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=2027837961 | ||||||
Same first word
Similar names
DNS History
3 records (2 active, 1 former)
○A211.144.198.512018-06-18 → 2018-06-18 · 3 obs
● 2018-06-18 17:56:24
○ 2026-03-27 21:25:32
○ 2026-03-28 04:51:40
○ 2026-03-27 21:25:32
○ 2026-03-28 04:51:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| icb.org.cn | ns1.sfn.cn, ns2.sfn.cn | - |
✅ Authoritative Response
Server:111.63.77.30
NS records: ns1.sfn.cn, ns2.sfn.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for icb.org.cn (unsigned zone)
⏱️ Timing
Total: 1888ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
Two name servers ns1.sfn.cn and ns2.sfn.cn are delegated to icb.org.cn.
icb.org.cn uses the same name server configuration as other domains, such as cettic.cn, dscomm.com.cn, gree.com.cn, sfn.cn and covec.com.
icb.org.cn shares name servers with other domains at least partially, for instance ncedu.net.cn and ep.net.cn.
Host names by IP count:
Two IP numbers: The host name ns2.sfn.cn points to 101.37.119.99 and 111.63.77.30.
One IP number: The host name ns1.sfn.cn points to 111.63.77.29.