linuxhelp.cn - dns.ninja
linuxhelp.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.199.27.200🇭🇰 DXTL-145.199.24.0/21 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=1774691193 | ||||||
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=2034929529 | ||||||
Same first word
Similar names
DNS History
13 records (3 active, 10 former)
●NSdm1.longmingdns.com2026-06-03 → 2026-06-17 · 3 obs
● 2026-06-03 07:22:20
● 2026-06-17 15:42:16
●NSdm2.longmingdns.com2026-06-03 → 2026-06-17 · 3 obs
● 2026-06-03 07:22:20
● 2026-06-17 15:42:16
○NSdns10.hichina.com2015-06-13 → 2016-02-03 · 4 obs
● 2016-02-03 21:45:36
○ 2016-04-18 10:23:32
○ 2026-06-17 15:42:16
○NSdns9.hichina.com2015-06-13 → 2016-02-03 · 4 obs
● 2016-02-03 21:45:36
○ 2016-04-18 10:23:32
○ 2026-06-17 15:42:16
○NSexpirens3.hichina.com2016-04-18 → 2016-04-18 · 4 obs
● 2016-04-18 10:23:32
○ 2016-11-28 20:38:38
○ 2026-06-17 15:42:16
○NSexpirens4.hichina.com2016-04-18 → 2016-04-18 · 4 obs
● 2016-04-18 10:23:32
○ 2016-11-28 20:38:38
○ 2026-06-17 15:42:16
○NSf1g1ns1.dnspod.net2017-07-09 → 2017-07-09 · 4 obs
● 2017-07-09 09:17:16
○ 2026-06-03 07:22:20
○ 2026-06-17 15:42:16
○NSf1g1ns2.dnspod.net2017-07-09 → 2017-07-09 · 4 obs
● 2017-07-09 09:17:16
○ 2026-06-03 07:22:20
○ 2026-06-17 15:42:16
○A0.0.0.02016-02-03 → 2016-02-03 · 3 obs
○ 2016-04-18 10:23:32
○ 2026-06-17 15:42:16
○A42.120.158.782016-04-18 → 2016-04-18 · 4 obs
● 2016-04-18 10:23:32
○ 2016-11-28 20:38:38
○ 2026-06-17 15:42:16
○A45.194.214.1182026-06-03 → 2026-06-17 · 2 obs
○ 2026-06-17 15:42:16
●A45.199.27.2002026-06-03 → 2026-06-17 · 3 obs
● 2026-06-03 07:22:20
● 2026-06-17 15:42:16
○CNAMEcnlinuxhelp.imwork.net2016-02-03 → 2016-02-03 · 3 obs
○ 2016-04-18 10:23:32
○ 2026-06-17 15:42:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, e.dns.cn, b.dns.cn, ns.cernet.net... | 11 records |
| linuxhelp.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 linuxhelp.cn (unsigned zone)
⏱️ Timing
Total: 3439ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
📌 Glue Records Collected
Total: 11
In-bailiwick: 10 (e.dns.cn, d.dns.cn, c.dns.cn...)
Out-of-bailiwick: 1 (ns.cernet.net)
Analysis
IP Addresses
linuxhelp.cn points to a single IP number: 45.199.27.200.
kn59.cn, tinghuren.cn, www.wdqda.cn and wdqda.cn are among the host names that share IP numbers with linuxhelp.cn.
Name Servers
linuxhelp.cn has two authoritative name servers — dm1.longmingdns.com and dm2.longmingdns.com.
linuxhelp.cn shares its name server setup with other domains, including 3g86.cn, poem-press.com, bycu.cn and two others.
The name servers for linuxhelp.cn overlap at least partially with those of other domains — for example 1277img.com.
Host names with two IP numbers:
dm2.longmingdns.com resolves to 183.253.57.197 and 211.99.99.56.
Host names pointing to a single IP address:
dm1.longmingdns.com resolves to 218.98.111.163.