ztro.com.cn - robtex.com
ztro.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.85.145.7🇭🇰 DXTL-1154.85.128.0/19 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=1774605189 | ||||||
com.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=2030516598 | ||||||
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
●NSdm1.longmingdns.com2026-04-13 → 2026-04-15 · 3 obs
○ 2017-03-29 07:40:06
● 2026-04-13 19:24:42
● 2026-04-15 22:48:06
● 2026-04-13 19:24:42
● 2026-04-15 22:48:06
●NSdm2.longmingdns.com2026-04-13 → 2026-04-15 · 3 obs
○ 2017-03-29 07:40:06
● 2026-04-13 19:24:42
● 2026-04-15 22:48:06
● 2026-04-13 19:24:42
● 2026-04-15 22:48:06
○NSns4.dnsdun.com2017-03-29 → 2017-03-29 · 3 obs
● 2017-03-29 07:40:06
○ 2026-04-13 19:24:42
○ 2026-04-15 22:48:06
○ 2026-04-13 19:24:42
○ 2026-04-15 22:48:06
○NSns6.dnsdun.net2017-03-29 → 2017-03-29 · 3 obs
● 2017-03-29 07:40:06
○ 2026-04-13 19:24:42
○ 2026-04-15 22:48:06
○ 2026-04-13 19:24:42
○ 2026-04-15 22:48:06
●A154.85.145.72026-04-13 → 2026-04-15 · 3 obs
○ 2017-03-29 07:40:06
● 2026-04-13 19:24:42
● 2026-04-15 22:48:06
● 2026-04-13 19:24:42
● 2026-04-15 22:48:06
○A68.64.164.1312017-03-29 → 2017-03-29 · 3 obs
● 2017-03-29 07:40:06
○ 2026-04-13 19:24:42
○ 2026-04-15 22:48:06
○ 2026-04-13 19:24:42
○ 2026-04-15 22:48:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, a.dns.cn, e.dns.cn, b.dns.cn... | - |
| ztro.com.cn | dm1.longmingdns.com, dm2.longmingdns.com | - |
✅ Authoritative Response
Server:211.99.99.56
NS records: dm1.longmingdns.com, dm2.longmingdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ztro.com.cn (unsigned zone)
⏱️ Timing
Total: 984ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.85.145.7 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
ztro.com.cn points to a single IP: 154.85.145.7.
Other host names such as lbctc.cn and skpin.cn share IP numbers with ztro.com.cn.
Name Servers
Two name servers dm1.longmingdns.com and dm2.longmingdns.com handle delegation for ztro.com.cn.
ztro.com.cn uses the same name server setup as other domains, for example daren6.cn, fwtn.com.cn, jngqhg.cn, dgforce.cn and 97do.cn.
Host names with two IP numbers:
The host name dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
Host names with one IP number:
The host name dm1.longmingdns.com points to 218.98.111.163.