jmt21.cn - robtex.com
jmt21.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 154.80.170.33🇭🇰 DXTL-HK154.80.160.0/20 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=1773234663 | ||||||
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=2034661319 | ||||||
Subdomains
www.jmt21.cn |
Same first word
jmt21.cn |
DNS History
3 records (3 active, 0 former)
●NSdm1.longmingdns.com2026-03-14 → 2026-04-12 · 2 obs
● 2026-04-12 05:49:54
●NSdm2.longmingdns.com2026-03-14 → 2026-04-12 · 2 obs
● 2026-04-12 05:49:54
●A154.80.170.332026-03-14 → 2026-04-12 · 2 obs
● 2026-04-12 05:49:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| jmt21.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 jmt21.cn (unsigned zone)
⏱️ Timing
Total: 3749ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.194.207.194 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
Hierarchy
jmt21.cn is the parent of www.jmt21.cn.
IP Addresses
jmt21.cn points to IP number 154.80.170.33.
Other host names for example saibeixue.com.cn, 10086hk.cn and changyulong.cn share IP numbers with jmt21.cn.
Name Servers
jmt21.cn is delegated to two name servers: dm1.longmingdns.com and dm2.longmingdns.com.
jmt21.cn uses the same name server setup as other domains such as deenoo.cn, moedl.cn, asfi.cn, cwgv.cn and 66720.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.