bobj.com.cn - robtex.com
bobj.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.bobj.com.cn ⭐ | ||||||
| NS | bob-ns1.byhlds.com.cn | ||||||
| NS | bob-ns2.byhlds.com | ||||||
| A | 2408:8719:2500:0:b::1🇨🇳 CHINA169-Backbone2408:8719::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street | ||||||
| A | 42.62.2.29🇨🇳 CHINA-142.62.0.0/21 China Telecom Beijing Co. Ltd. | ||||||
| A | 114.67.16.205🇨🇳 CHINANET-Guangdong-GuangZhou-IDC114.67.16.0/21 Beijing Internet Harbor Technology Co.,Ltd -GZ IDC Network static unicast | ||||||
| A | 119.167.244.44🇨🇳 CHINA169-Backbone119.164.0.0/14 CNC Group CHINA169 Shandong Province Network | ||||||
| A | 203.99.23.3🇨🇳 ZDNS203.99.23.0/24 Internet Domain Name System Beijing Engineering Resrarch Center Ltd. | ||||||
| PTR | vns1.zdnscloud.biz | ||||||
| NS | bob-ns3.byhlds.net | ||||||
| A | 2401:8d00:9::1🇨🇳 ZDNS2401:8d00:9::/48 Internet Domain Name System Beijing Engineering Resrarch Center Ltd. | ||||||
| A | 2401:8d00:f::1🇨🇳 ZDNS2401:8d00:f::/48 Internet Domain Name System Beijing Engineering Resrarch Center Ltd. | ||||||
| A | 42.62.2.29🇨🇳 CHINA-142.62.0.0/21 China Telecom Beijing Co. Ltd. | ||||||
| A | 114.67.16.205🇨🇳 CHINANET-Guangdong-GuangZhou-IDC114.67.16.0/21 Beijing Internet Harbor Technology Co.,Ltd -GZ IDC Network static unicast | ||||||
| A | 119.167.244.44🇨🇳 CHINA169-Backbone119.164.0.0/14 CNC Group CHINA169 Shandong Province Network | ||||||
| A | 203.99.23.3🇨🇳 ZDNS203.99.23.0/24 Internet Domain Name System Beijing Engineering Resrarch Center Ltd. | ||||||
| PTR | vns1.zdnscloud.biz | ||||||
| NS | ns2.bobj.com.cn | ||||||
| A | 2408:8606:0:10::5🇨🇳 CHINA169-BJ2408:8606::/34 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street | ||||||
| A | 2409:8700:8421:50::5🇨🇳 CMNET-BEIJING-AP2409:8700::/32 CMI (Customer Route) | ||||||
| A | 240e:604:10c:2d::5🇨🇳 CHINANET-BACKBONE240e:604::/30 China Telecom (Beijing) Limited | ||||||
| A | 61.135.232.132🇨🇳 CHINA169-BJ61.135.192.0/18 CMI (Customer Route) | ||||||
| A | 219.141.230.4🇨🇳 CHINANET-BJ-METRO219.141.128.0/17 CHINANET Beijing province network | ||||||
| A | 223.71.132.132🇨🇳 CMNET-BEIJING-AP223.71.132.0/22 CMI (Customer Route) | ||||||
| NS | ns3.bobj.com.cn | ||||||
| SOA | ns1.bobj.com.cnmail@bobj.com.cn 2022-12-15 #3 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030722435 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSbob-ns1.byhlds.com.cn2026-07-06 → 2026-08-03 · 2 obs
● 2026-08-03 05:26:50
●NSbob-ns2.byhlds.com2026-07-06 → 2026-08-03 · 2 obs
● 2026-08-03 05:26:50
●NSbob-ns3.byhlds.net2026-07-06 → 2026-08-03 · 2 obs
● 2026-08-03 05:26:50
●NSns1.bobj.com.cn2026-07-06 → 2026-08-03 · 2 obs
● 2026-08-03 05:26:50
●NSns2.bobj.com.cn2026-07-06 → 2026-08-03 · 2 obs
● 2026-08-03 05:26:50
●NSns3.bobj.com.cn2026-07-06 → 2026-08-03 · 2 obs
● 2026-08-03 05:26:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, ns.cernet.net... | 11 records |
| bobj.com.cn | ns1.bobj.com.cn, ns2.bobj.com.cn, ns3.bobj.com.cn, bob-ns1.byhlds.com.cn... | 18 records |
✅ Authoritative Response
Server:61.135.232.132
NS records: ns1.bobj.com.cn, ns2.bobj.com.cn, ns3.bobj.com.cn, bob-ns1.byhlds.com.cn, bob-ns2.byhlds.com, bob-ns3.byhlds.net
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn
⏱️ Timing
Total: 3894ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | ns2.bobj.com.cn, ns1.bobj.com.cn... |
| SOA | 1 | ns1.bobj.com.cn mail.bobj.com.cn |
📌 Glue Records Collected
Total: 29
In-bailiwick: 28 (e.dns.cn, e.dns.cn, a.dns.cn...)
Out-of-bailiwick: 1 (ns.cernet.net)
Analysis
Hierarchy
ns1.bobj.com.cn, ns2.bobj.com.cn and ns3.bobj.com.cn each fall under the parent domain bobj.com.cn.
Name Servers
bobj.com.cn has 6 name servers — bob-ns2.byhlds.com, bob-ns3.byhlds.net, ns1.bobj.com.cn and 3 others.
bobj.com.cn has some name servers in common with other domains such as bobdirectbank.com, 95526.mobi and bankofbeijing.com.cn
In DNS configurations, these name servers often share authority with bob-ns1.byhlds.com.cn, ns1.bobdirectbank.com, ns2.bobdirectbank.com and 7 other name servers.
Host names with 6 IP numbers:
bob-ns3.byhlds.net points to 42.62.2.29, 114.67.16.205, 119.167.244.44 and 3 other IP addresses.
ns2.bobj.com.cn points to 61.135.232.132, 219.141.230.4, 223.71.132.132 and 3 other IP addresses.
Host names that resolve to five IP addresses:
bob-ns2.byhlds.com points to 42.62.2.29, 114.67.16.205, 119.167.244.44 and two other IP addresses.
The host names bob-ns3.byhlds.net and bob-ns2.byhlds.com both resolve to 42.62.2.29 IP addresses.
The host names bob-ns3.byhlds.net and bob-ns2.byhlds.com both resolve to 114.67.16.205 IP addresses.
The host names bob-ns3.byhlds.net and bob-ns2.byhlds.com both resolve to 119.167.244.44 IP addresses.
The host names bob-ns3.byhlds.net and bob-ns2.byhlds.com both resolve to 203.99.23.3 IP addresses.