bcoder.cn - robtex.com
bcoder.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.bdydns.cn ⭐ | ||||||
| A | 240e:940:603:3:0:ff:b05b:137e🇨🇳 CHINANET-BACKBONE240e:940::/32 China Telecom (Hebei) Limited | ||||||
| A | 180.97.36.63🇨🇳 ChinaNet-NANJING-JISHAN-IDC180.97.36.0/24 JS-CT NJ-JS-IDC | ||||||
| A | 183.232.231.249🇨🇳 CMNET-GuangDong-AP183.232.231.0/24 CMI (Customer Route) | ||||||
| NS | ns2.bdydns.cn | ||||||
| A | 240e:940:603:5:0:ff:b0cf:479b🇨🇳 CHINANET-BACKBONE240e:940::/32 China Telecom (Hebei) Limited | ||||||
| A | 14.215.177.154🇨🇳 CHINANET-BACKBONE14.208.0.0/12 China Telecom Network | ||||||
| A | 112.80.248.202🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network | ||||||
| A | 119.75.222.53🇨🇳 Baidu119.75.222.0/24 | ||||||
| A | 124.237.208.58🇨🇳 CHINANET-BACKBONE124.236.0.0/14 CMI (Customer Route) | ||||||
| PTR | 58.208.237.124.broad.bd.he.dynamic.163data.com.cn | ||||||
| SOA | ns1.bdydns.cnsa@dudns.com 2018-08-01 #10 | ||||||
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=2035028807 | ||||||
Subdomains
www.bcoder.cn |
Same first word
Similar names
DNS History
6 records (2 active, 4 former)
○NSn3385.ns.yunjiasu.com2016-12-05 → 2016-12-05 · 3 obs
○ 2026-06-27 19:20:12
○ 2026-07-11 12:26:02
○NSn669.ns.yunjiasu.com2016-12-05 → 2016-12-05 · 3 obs
○ 2026-06-27 19:20:12
○ 2026-07-11 12:26:02
●NSns1.bdydns.cn2026-06-27 → 2026-07-11 · 3 obs
● 2026-06-27 19:20:12
● 2026-07-11 12:26:02
●NSns2.bdydns.cn2026-06-27 → 2026-07-11 · 3 obs
● 2026-06-27 19:20:12
● 2026-07-11 12:26:02
○MXmxdomain.qq.com2016-12-05 → 2016-12-05 · 3 obs
○ 2026-06-27 19:20:12
○ 2026-07-11 12:26:02
○A123.249.15.162016-12-05 → 2016-12-05 · 3 obs
○ 2026-06-27 19:20:12
○ 2026-07-11 12:26:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| bcoder.cn | ns1.bdydns.cn, ns2.bdydns.cn | 4 records |
✅ Authoritative Response
Server:180.97.36.63
NS records: ns1.bdydns.cn, ns2.bdydns.cn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bcoder.cn (unsigned zone)
⏱️ Timing
Total: 3080ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.bdydns.cn, ns1.bdydns.cn |
| SOA | 1 | ns1.bdydns.cn sa.dudns.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.bdydns.cn, ns2.bdydns.cn, ns2.bdydns.cn...)
Analysis
Hierarchy
bcoder.cn is the parent zone for www.bcoder.cn.
Name Servers
bcoder.cn has two authoritative name servers — ns1.bdydns.cn and ns2.bdydns.cn.
bcoder.cn shares its NS records with other domains, for example enjoy1992.com, wxrjjc.com, dns96.cn and two others.
Host names directing to five IP addresses:
ns2.bdydns.cn has four IP addresses — 14.215.177.154, 112.80.248.202, 119.75.222.53 and two others.
Hostnames that map to three IP numbers:
ns1.bdydns.cn resolves to 180.97.36.63, 183.232.231.249 and 240e:940:603:3:0:ff:b05b:137e.