videoconference.cn - robtex.com
videoconference.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.239.40.56🇺🇸 HDHK38.239.32.0/20 | ||||||
| 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=1774352001 | ||||||
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=2034663972 | ||||||
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSdm1.longmingdns.com2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 07:14:24
● 2026-04-13 00:29:58
●NSdm2.longmingdns.com2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 07:14:24
● 2026-04-13 00:29:58
○NSns1.8hy.cn2015-05-14 → 2017-05-27 · 4 obs
● 2017-05-27 17:48:12
○ 2026-03-27 07:14:24
○ 2026-04-13 00:29:58
○NSns2.8hy.cn2015-05-14 → 2017-05-27 · 4 obs
● 2017-05-27 17:48:12
○ 2026-03-27 07:14:24
○ 2026-04-13 00:29:58
○A103.227.128.2452015-05-14 → 2015-05-14 · 3 obs
○ 2015-10-09 00:54:32
○ 2026-04-13 00:29:58
●A38.239.40.562026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 07:14:24
● 2026-04-13 00:29:58
○A79.98.59.82015-10-09 → 2017-05-27 · 5 obs
● 2015-10-09 00:54:32
● 2017-05-27 17:48:12
○ 2026-03-27 07:14:24
○ 2026-04-13 00:29:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| videoconference.cn | dm1.longmingdns.com, dm2.longmingdns.com | - |
✅ Authoritative Response
Server:183.253.57.197
NS records: dm1.longmingdns.com, dm2.longmingdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for videoconference.cn (unsigned zone)
⏱️ Timing
Total: 1972ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.239.40.56 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
videoconference.cn points to a single IP address: 38.239.40.56.
Other host names such as udcjxw.cn, mthv.cn, idsi.cn, yigo88.cn and utoh.cn share IPs with videoconference.cn.
Name Servers
Two name servers dm1.longmingdns.com and dm2.longmingdns.com handle the delegation for videoconference.cn.
videoconference.cn shares the same name server setup as other domains, for example wqjf.com.cn, hzaxvip.cn, hnups.cn, dihan2000.cn and 04356666.cn.
Host names with two IP numbers:
dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
Host names with one IP number:
dm1.longmingdns.com points to 218.98.111.163.