28tel.cn - robtex.com
28tel.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.238.148.115🇺🇸 HDHK38.238.144.0/20 | ||||||
| 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=1768296027 | ||||||
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=2034586102 | ||||||
Same first word
DNS History
7 records (3 active, 4 former)
●NSdm1.longmingdns.com2026-03-19 → 2026-03-25 · 3 obs
○ 2020-01-12 21:57:24
● 2026-03-19 10:52:22
● 2026-03-25 15:19:12
● 2026-03-19 10:52:22
● 2026-03-25 15:19:12
●NSdm2.longmingdns.com2026-03-19 → 2026-03-25 · 3 obs
○ 2020-01-12 21:57:24
● 2026-03-19 10:52:22
● 2026-03-25 15:19:12
● 2026-03-19 10:52:22
● 2026-03-25 15:19:12
○NSjm1.dns.com2020-01-12 → 2020-01-12 · 3 obs
● 2020-01-12 21:57:24
○ 2026-03-19 10:52:22
○ 2026-03-25 15:19:12
○ 2026-03-19 10:52:22
○ 2026-03-25 15:19:12
○NSjm2.dns.com2020-01-12 → 2020-01-12 · 3 obs
● 2020-01-12 21:57:24
○ 2026-03-19 10:52:22
○ 2026-03-25 15:19:12
○ 2026-03-19 10:52:22
○ 2026-03-25 15:19:12
○A154.85.145.142026-03-19 → 2026-03-25 · 2 obs
○ 2026-03-19 10:52:22
○ 2026-03-25 15:19:12
○ 2026-03-25 15:19:12
○A168.206.198.882020-01-12 → 2020-01-12 · 3 obs
● 2020-01-12 21:57:24
○ 2026-03-19 10:52:22
○ 2026-03-25 15:19:12
○ 2026-03-19 10:52:22
○ 2026-03-25 15:19:12
●A38.238.148.1152026-03-19 → 2026-03-25 · 3 obs
○ 2020-01-12 21:57:24
● 2026-03-19 10:52:22
● 2026-03-25 15:19:12
● 2026-03-19 10:52:22
● 2026-03-25 15:19:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 28tel.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 28tel.cn (unsigned zone)
⏱️ Timing
Total: 1919ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.238.148.115 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
28tel.cn resolves to one IP number: 38.238.148.115.
Name Servers
28tel.cn is delegated to two name servers dm1.longmingdns.com and dm2.longmingdns.com.
28tel.cn shares the same name server setup as other domains, for instance dongtaishi.cn, nkxty.net, danbaimei.cn, yifushangyuan.cn and 66765.cn.
Two IP numbers for a host: dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
One IP number for a host: dm1.longmingdns.com points to 218.98.111.163.