dentalstudy.cn - robtex.com
dentalstudy.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 177.211.170.120🇧🇷 UNSPECIFIED160.0.0.0/3 | ||||||
| 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=1774345866 | ||||||
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=2034590369 | ||||||
Same first word
dentalstudy.cn |
dentalstudy.it |
DNS History
10 records (3 active, 7 former)
●NSdm1.longmingdns.com2026-03-24 → 2026-03-26 · 3 obs
○ 2020-01-08 17:16:30
● 2026-03-24 11:39:24
● 2026-03-26 18:04:42
● 2026-03-24 11:39:24
● 2026-03-26 18:04:42
●NSdm2.longmingdns.com2026-03-24 → 2026-03-26 · 3 obs
○ 2020-01-08 17:16:30
● 2026-03-24 11:39:24
● 2026-03-26 18:04:42
● 2026-03-24 11:39:24
● 2026-03-26 18:04:42
○NSf1g1ns1.dnspod.net2015-07-07 → 2017-01-07 · 4 obs
● 2015-07-07 18:40:58
● 2017-01-07 19:06:22
○ 2020-01-08 17:16:30
○ 2026-03-26 18:04:42
● 2017-01-07 19:06:22
○ 2020-01-08 17:16:30
○ 2026-03-26 18:04:42
○NSf1g1ns2.dnspod.net2015-07-07 → 2017-01-07 · 4 obs
● 2015-07-07 18:40:58
● 2017-01-07 19:06:22
○ 2020-01-08 17:16:30
○ 2026-03-26 18:04:42
● 2017-01-07 19:06:22
○ 2020-01-08 17:16:30
○ 2026-03-26 18:04:42
○NSns1.dnspai.com2020-01-08 → 2020-01-08 · 4 obs
○ 2017-01-07 19:06:22
● 2020-01-08 17:16:30
○ 2026-03-24 11:39:24
○ 2026-03-26 18:04:42
● 2020-01-08 17:16:30
○ 2026-03-24 11:39:24
○ 2026-03-26 18:04:42
○NSns2.dnspai.com2020-01-08 → 2020-01-08 · 4 obs
○ 2017-01-07 19:06:22
● 2020-01-08 17:16:30
○ 2026-03-24 11:39:24
○ 2026-03-26 18:04:42
● 2020-01-08 17:16:30
○ 2026-03-24 11:39:24
○ 2026-03-26 18:04:42
○A107.165.79.1902020-01-08 → 2020-01-08 · 4 obs
○ 2015-11-09 16:23:10
● 2020-01-08 17:16:30
○ 2026-03-24 11:39:24
○ 2026-03-26 18:04:42
● 2020-01-08 17:16:30
○ 2026-03-24 11:39:24
○ 2026-03-26 18:04:42
○A156.232.150.1942026-03-24 → 2026-03-26 · 2 obs
○ 2026-03-24 11:39:24
○ 2026-03-26 18:04:42
○ 2026-03-26 18:04:42
●A177.211.170.1202026-03-24 → 2026-03-26 · 3 obs
○ 2020-01-08 17:16:30
● 2026-03-24 11:39:24
● 2026-03-26 18:04:42
● 2026-03-24 11:39:24
● 2026-03-26 18:04:42
○A223.6.109.2032015-07-07 → 2015-07-07 · 3 obs
● 2015-07-07 18:40:58
○ 2015-11-09 16:23:10
○ 2026-03-26 18:04:42
○ 2015-11-09 16:23:10
○ 2026-03-26 18:04:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| dentalstudy.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 dentalstudy.cn (unsigned zone)
⏱️ Timing
Total: 2321ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 177.211.170.120 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
dentalstudy.cn points to a single IP number: 177.211.170.120.
Name Servers
dentalstudy.cn is delegated to two name servers: dm1.longmingdns.com and dm2.longmingdns.com.
dentalstudy.cn uses the same name server setup as other domains, for instance 170sms.cn, dljg2008.cn, heinford.com.cn, sthly.com.cn and maikao.com.cn.
Host names with two IPs:
dm2.longmingdns.com points to: 183.253.57.197 and 211.99.99.56.
Host names with one IP:
dm1.longmingdns.com points to: 218.98.111.163.