hdszedu.cn - dns.ninja
hdszedu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.188.94.81🇺🇸 PEGTECHINC140.188.64.0/18 PEG TECH INC | ||||||
| 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 | ||||||
| SOA | dm1.longmingdns.comdnsadmin@longmingdns.com serial=1777640988 | ||||||
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=2035119357 | ||||||
Same first word
Similar names
DNS History
11 records (3 active, 8 former)
●NSdm1.longmingdns.com2026-04-24 → 2026-08-01 · 3 obs
● 2026-04-24 01:29:42
● 2026-08-01 05:43:08
●NSdm2.longmingdns.com2026-04-24 → 2026-08-01 · 3 obs
● 2026-04-24 01:29:42
● 2026-08-01 05:43:08
○NSns1.myhostadmin.net2018-05-09 → 2018-05-09 · 3 obs
○ 2026-04-24 01:29:42
○ 2026-08-01 05:43:08
○NSns2.myhostadmin.net2018-05-09 → 2018-05-09 · 3 obs
○ 2026-04-24 01:29:42
○ 2026-08-01 05:43:08
○NSns3.myhostadmin.net2018-05-09 → 2018-05-09 · 3 obs
○ 2026-04-24 01:29:42
○ 2026-08-01 05:43:08
○NSns4.myhostadmin.net2018-05-09 → 2018-05-09 · 3 obs
○ 2026-04-24 01:29:42
○ 2026-08-01 05:43:08
○NSns5.myhostadmin.net2018-05-09 → 2018-05-09 · 3 obs
○ 2026-04-24 01:29:42
○ 2026-08-01 05:43:08
○NSns6.myhostadmin.net2018-05-09 → 2018-05-09 · 3 obs
○ 2026-04-24 01:29:42
○ 2026-08-01 05:43:08
○A104.202.177.312018-05-09 → 2018-05-09 · 3 obs
○ 2026-04-24 01:29:42
○ 2026-08-01 05:43:08
●A140.188.94.812026-06-20 → 2026-08-01 · 3 obs
● 2026-06-20 04:07:46
● 2026-08-01 05:43:08
○A38.11.178.472026-04-24 → 2026-04-24 · 5 obs
● 2026-04-24 01:29:42
● 2026-04-24 14:02:50
○ 2026-06-20 04:07:46
○ 2026-08-01 05:43:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, e.dns.cn, d.dns.cn, c.dns.cn... | - |
| hdszedu.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 hdszedu.cn (unsigned zone)
⏱️ Timing
Total: 4537ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.188.94.81 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
hdszedu.cn directs to one IP number, which is 140.188.94.81.
Among others, changbaishanhotel.cn, ksup.com.cn, jldjx.cn and cafesalon.cn resolve to the same IP numbers as hdszedu.cn.
Name Servers
hdszedu.cn uses two name servers for its delegation: dm1.longmingdns.com and dm2.longmingdns.com.
hdszedu.cn has the same name server delegation as a number of other domains, such as gzsguqin.cn, cnn-kaiyun.icu, keqi123.com.cn and two more.
Hosts with two IP numbers each:
dm2.longmingdns.com directs traffic to 183.253.57.197 and 211.99.99.56.
Hosts that resolve to one IP address:
dm1.longmingdns.com has the IP address 218.98.111.163.