bo21.cn - robtex.com
bo21.cn
| A | 156.226.119.170🇭🇰 MYCLOUD-AS-AP156.226.64.0/18 CloudFly Net Inc | ||||||
| NS | ns1.dnsip.com | ||||||
| A | 2001:df2:f080:1::10🇭🇰 HKCICL-AS-AP2001:df2:f080::/48 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 1.193.216.199🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.202🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.206🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.dnsip.com | ||||||
| A | 240e:97d:10:1402:0:1:0:1008🇨🇳 CHINANET-Guangdong-DongGuan-IDC240e:97d::/36 DongGuan IDC Network | ||||||
| A | 61.158.128.1🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 1.128.158.61.ha.cnc | ||||||
| A | 183.253.57.193🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.29🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| A | 211.99.99.33🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
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=2034662315 | ||||||
Same first word
bo21.cn |
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn... | - |
| bo21.cn | ns1.julydns.com, ns2.julydns.com | - |
✅ Authoritative Response
Server:162.159.48.223
NS records: ns1.julydns.com, ns2.julydns.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn
⏱️ Timing
Total: 3837ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 154.89.199.196 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
bo21.cn resolves to a single IP address: 156.226.119.170.
Other host names, for instance secclass.cn, share IP numbers with bo21.cn.
Name Servers
bo21.cn's delegation uses two name servers, ns1.dnsip.com and ns2.dnsip.com.
bo21.cn shares the same name server setup as other domains, for example 290a.com, 8006.am, 87.cc, w91.cn and yixiangchem.com.
bo21.cn at least partially shares name servers with other domains; for instance 441249.cn.
Host names by IP count:
Five IP numbers: The host name ns2.dnsip.com points to 240e:97d:10:1402:0:1:0:1008, 61.158.128.1, 183.253.57.193, 211.99.99.29 and 211.99.99.33.
Four IP numbers: The host name ns1.dnsip.com points to 2001:df2:f080:1::10, 1.193.216.199, 218.98.111.202 and 218.98.111.206.