yz300.cn - robtex.com
yz300.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.235.140.48🇭🇰 DXTL-1156.235.140.0/24 Proxy-registered route object | ||||||
| NS | dm1.longmingdns.com ⭐ | ||||||
| A | 218.98.111.163🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | dm2.longmingdns.com | ||||||
| A | 183.253.57.197🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.56🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | dm1.longmingdns.comdnsadmin@longmingdns.com serial=1774609869 | ||||||
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=2034776273 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSdm1.longmingdns.com2026-05-10 → 2026-05-11 · 2 obs
● 2026-05-10 04:44:32
● 2026-05-11 00:43:26
● 2026-05-11 00:43:26
●NSdm2.longmingdns.com2026-05-10 → 2026-05-11 · 2 obs
● 2026-05-10 04:44:32
● 2026-05-11 00:43:26
● 2026-05-11 00:43:26
●A156.235.140.482026-05-10 → 2026-05-11 · 2 obs
● 2026-05-10 04:44:32
● 2026-05-11 00:43:26
● 2026-05-11 00:43:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| yz300.cn | dm1.longmingdns.com, dm2.longmingdns.com | - |
✅ Authoritative Response
Server:218.98.111.163
NS records: dm1.longmingdns.com, dm2.longmingdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for yz300.cn (unsigned zone)
⏱️ Timing
Total: 1987ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.235.140.48 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
yz300.cn resolves to a single IP address: 156.235.140.48.
Other host names, for instance baidulan.cn, share IP numbers with yz300.cn.
Name Servers
yz300.cn's delegation uses two name servers, dm1.longmingdns.com and dm2.longmingdns.com.
yz300.cn shares the same name server setup as other domains, for example rcsccod.org.cn, qshpj.cn, youliya.cn, bkmv.cn and ltggc.cn.
Hosts with two IPs:
dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
Hosts with one IP:
dm1.longmingdns.com points to 218.98.111.163.