b-group.cn - robtex.com
b-group.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.235.134.183🇭🇰 DXTL-1156.235.134.0/24 Proxy-registered route object | ||||||
| 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=1774603386 | ||||||
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=2034700039 | ||||||
Same first word
b-group.nl |
b-group.se |
b-group.at |
b-group.org |
b-group.cz |
b-group.com.mx |
b-group.xyz |
b-group.de |
b-group.net |
b-group.com |
b-group.co.uk |
b-group.be |
b-group.ru |
b-group.cn |
Similar names
DNS History
10 records (3 active, 7 former)
●NSdm1.longmingdns.com2026-04-15 → 2026-04-22 · 3 obs
○ 2020-03-11 09:33:46
● 2026-04-15 17:45:28
● 2026-04-22 18:30:38
● 2026-04-15 17:45:28
● 2026-04-22 18:30:38
●NSdm2.longmingdns.com2026-04-15 → 2026-04-22 · 3 obs
○ 2020-03-11 09:33:46
● 2026-04-15 17:45:28
● 2026-04-22 18:30:38
● 2026-04-15 17:45:28
● 2026-04-22 18:30:38
○NSdns31.hichina.com2015-07-01 → 2015-12-12 · 4 obs
● 2015-07-01 22:02:44
● 2015-12-12 12:46:52
○ 2016-03-22 12:51:54
○ 2026-04-22 18:30:38
● 2015-12-12 12:46:52
○ 2016-03-22 12:51:54
○ 2026-04-22 18:30:38
○NSdns32.hichina.com2015-07-01 → 2015-12-12 · 4 obs
● 2015-07-01 22:02:44
● 2015-12-12 12:46:52
○ 2016-03-22 12:51:54
○ 2026-04-22 18:30:38
● 2015-12-12 12:46:52
○ 2016-03-22 12:51:54
○ 2026-04-22 18:30:38
○NSjm1.dns.com2020-03-11 → 2020-03-11 · 4 obs
○ 2016-03-22 12:51:54
● 2020-03-11 09:33:46
○ 2026-04-15 17:45:28
○ 2026-04-22 18:30:38
● 2020-03-11 09:33:46
○ 2026-04-15 17:45:28
○ 2026-04-22 18:30:38
○NSjm2.dns.com2020-03-11 → 2020-03-11 · 4 obs
○ 2016-03-22 12:51:54
● 2020-03-11 09:33:46
○ 2026-04-15 17:45:28
○ 2026-04-22 18:30:38
● 2020-03-11 09:33:46
○ 2026-04-15 17:45:28
○ 2026-04-22 18:30:38
○A115.239.252.542015-07-01 → 2015-12-12 · 4 obs
● 2015-07-01 22:02:44
● 2015-12-12 12:46:52
○ 2016-03-22 12:51:54
○ 2026-04-22 18:30:38
● 2015-12-12 12:46:52
○ 2016-03-22 12:51:54
○ 2026-04-22 18:30:38
○A156.229.101.1782020-03-11 → 2020-03-11 · 4 obs
○ 2016-03-22 12:51:54
● 2020-03-11 09:33:46
○ 2026-04-15 17:45:28
○ 2026-04-22 18:30:38
● 2020-03-11 09:33:46
○ 2026-04-15 17:45:28
○ 2026-04-22 18:30:38
●A156.235.134.1832026-04-15 → 2026-04-22 · 3 obs
○ 2020-03-11 09:33:46
● 2026-04-15 17:45:28
● 2026-04-22 18:30:38
● 2026-04-15 17:45:28
● 2026-04-22 18:30:38
○A38.239.15.32026-04-15 → 2026-04-22 · 2 obs
○ 2026-04-15 17:45:28
○ 2026-04-22 18:30:38
○ 2026-04-22 18:30:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| b-group.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 b-group.cn (unsigned zone)
⏱️ Timing
Total: 1209ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.235.134.183 |
| NS | 2 | dm1.longmingdns.com, dm2.longmingdns.com |
| SOA | 1 | dm1.longmingdns.com dnsadmin.longmingdns |
Analysis
IP Addresses
b-group.cn maps to IP address 156.235.134.183.
Name Servers
Two name servers dm1.longmingdns.com and dm2.longmingdns.com are delegated to b-group.cn.
b-group.cn uses the same name server configuration as other domains, such as blossompc.com, hualongmj.cn, dwqt.cn, dongbwl.cn and enwb.cn.
Host names by IP count:
Two IP numbers: The host name dm2.longmingdns.com points to 183.253.57.197 and 211.99.99.56.
One IP number: The host name dm1.longmingdns.com points to 218.98.111.163.