gdcert.org.cn - robtex.com
gdcert.org.cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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) | ||||||
| MX | 113.105.13.227 ⭐ | ||||||
| SOA | ns1.sfn.cnroot@ns1.sfn.cn 2026-04-30 #6 | ||||||
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=2027855031 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●MX113.105.13.2272026-04-29 → 2026-05-13 · 2 obs
● 2026-04-29 23:53:28
● 2026-05-13 06:08:36
● 2026-05-13 06:08:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| gdcert.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 gdcert.org.cn (unsigned zone)
⏱️ Timing
Total: 4689ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.sfn.cn, ns2.sfn.cn |
| MX | 1 | 113.105.13.227 (pri: 10) |
| SOA | 1 | ns1.sfn.cn root.ns1.sfn.cn |
Analysis
Name Servers
gdcert.org.cn is delegated to two name servers: ns1.sfn.cn and ns2.sfn.cn.
gdcert.org.cn uses the same name server setup as other domains such as suncue.com.cn, dxkqs.cn, tjhq.gov.cn, apw.com.cn and hcool.com.cn.
gdcert.org.cn shares name servers with other domains at least partially, for example nug.com.cn.
Host names with two IP numbers:
The host name ns2.sfn.cn points to 101.37.119.99 and 111.63.77.30.
Host names with one IP number:
The host name ns1.sfn.cn points to 111.63.77.29.
Mail Servers
gdcert.org.cn is handled by a single mail server, 113.105.13.227.