bddu.cn - robtex.com
bddu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.40.112.252🇭🇰 POWERLINE-HK103.40.112.0/24 POWER LINE (HK) CO., LIMITED UNIT 04/7F BRIGHT WAY TOWER NO.35 | ||||||
| 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=1773289224 | ||||||
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=2034721647 | ||||||
Same first word
bddu.cn |
Similar names
DNS History
16 records (3 active, 13 former)
●NSdm1.longmingdns.com2026-03-26 → 2026-04-28 · 3 obs
● 2026-03-26 14:11:48
● 2026-04-28 04:23:12
●NSdm2.longmingdns.com2026-03-26 → 2026-04-28 · 3 obs
● 2026-03-26 14:11:48
● 2026-04-28 04:23:12
○NSdns1.iidns.com2015-07-22 → 2016-08-14 · 4 obs
● 2016-08-14 16:51:16
○ 2026-03-26 14:11:48
○ 2026-04-28 04:23:12
○NSdns2.iidns.com2015-07-22 → 2016-08-14 · 4 obs
● 2016-08-14 16:51:16
○ 2026-03-26 14:11:48
○ 2026-04-28 04:23:12
○NSdns3.iidns.com2015-07-22 → 2016-08-14 · 4 obs
● 2016-08-14 16:51:16
○ 2026-03-26 14:11:48
○ 2026-04-28 04:23:12
○NSdns4.iidns.com2015-07-22 → 2016-08-14 · 4 obs
● 2016-08-14 16:51:16
○ 2026-03-26 14:11:48
○ 2026-04-28 04:23:12
○NSdns5.iidns.com2015-07-22 → 2016-08-14 · 4 obs
● 2016-08-14 16:51:16
○ 2026-03-26 14:11:48
○ 2026-04-28 04:23:12
○NSdns6.iidns.com2015-07-22 → 2016-08-14 · 4 obs
● 2016-08-14 16:51:16
○ 2026-03-26 14:11:48
○ 2026-04-28 04:23:12
●A103.40.112.2522026-03-26 → 2026-04-28 · 3 obs
● 2026-03-26 14:11:48
● 2026-04-28 04:23:12
○A107.167.19.722016-03-04 → 2016-03-04 · 4 obs
● 2016-03-04 05:12:12
○ 2016-08-14 16:51:16
○ 2026-04-28 04:23:12
○A107.167.19.732016-03-04 → 2016-03-04 · 4 obs
● 2016-03-04 05:12:12
○ 2016-08-14 16:51:16
○ 2026-04-28 04:23:12
○A107.167.19.742016-08-14 → 2016-08-14 · 4 obs
● 2016-08-14 16:51:16
○ 2026-03-26 14:11:48
○ 2026-04-28 04:23:12
○A107.167.19.752016-08-14 → 2016-08-14 · 4 obs
● 2016-08-14 16:51:16
○ 2026-03-26 14:11:48
○ 2026-04-28 04:23:12
○A198.148.92.872015-07-22 → 2015-07-22 · 3 obs
○ 2026-03-26 14:11:48
○ 2026-04-28 04:23:12
○A198.148.92.882015-07-22 → 2015-07-22 · 3 obs
○ 2026-03-26 14:11:48
○ 2026-04-28 04:23:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| bddu.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 bddu.cn (unsigned zone)
⏱️ Timing
Total: 4739ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.40.112.252 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
bddu.cn points to a single IP address: 103.40.112.252.
Other host names such as jqstv.cn, 817331.cn, 817961.cn, afhpx.cn and delps.cn share IP numbers with bddu.cn.
Name Servers
bddu.cn is delegated to two name servers: dm1.longmingdns.com and dm2.longmingdns.com.
bddu.cn uses the same name server setup as other domains, including kaihuisd.com, printedsocks.com.cn, dy4u.cn, tglc.cn and hfjlzs.com.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.