bb19.cn - robtex.com
bb19.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.237.187.9🇭🇰 DXTL-AS-AP156.237.176.0/20 Proxy-registered route object | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| PTR | ip-1-193-216-204.defastlink.net | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| PTR | ip-218-98-111-129.defastlink.net | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| PTR | ip-218-98-111-138.defastlink.net | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| PTR | ip-183-253-57-202.defastlink.net | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| PTR | ip-211-99-99-38.defastlink.net | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1762256844 | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034456417 | ||||||
Same first word
Similar names
DNS History
5 records (3 active, 2 former)
○NSf1g1ns1.dnspod.net2017-06-18 → 2017-06-18 · 3 obs
● 2017-06-18 01:53:52
○ 2026-03-04 16:35:50
○ 2026-03-04 18:18:44
○ 2026-03-04 16:35:50
○ 2026-03-04 18:18:44
●NSns1.nowcndns.com2026-03-04 → 2026-03-04 · 3 obs
○ 2017-06-18 01:53:52
● 2026-03-04 16:35:50
● 2026-03-04 18:18:44
● 2026-03-04 16:35:50
● 2026-03-04 18:18:44
●NSns2.nowcndns.com2026-03-04 → 2026-03-04 · 3 obs
○ 2017-06-18 01:53:52
● 2026-03-04 16:35:50
● 2026-03-04 18:18:44
● 2026-03-04 16:35:50
● 2026-03-04 18:18:44
●A156.237.187.92026-03-04 → 2026-03-04 · 3 obs
○ 2017-06-18 01:53:52
● 2026-03-04 16:35:50
● 2026-03-04 18:18:44
● 2026-03-04 16:35:50
● 2026-03-04 18:18:44
○A23.225.247.2092017-06-18 → 2017-06-18 · 3 obs
● 2017-06-18 01:53:52
○ 2026-03-04 16:35:50
○ 2026-03-04 18:18:44
○ 2026-03-04 16:35:50
○ 2026-03-04 18:18:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | 11 records |
| bb19.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server: 218.98.111.129
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bb19.cn (unsigned zone)
⏱️ Timing
Total: 2343ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.237.187.9 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
📌 Glue Records Collected
Total: 11
In-bailiwick: 10 (a.dns.cn, a.dns.cn, b.dns.cn...)
Out-of-bailiwick: 1 (ns.cernet.net)
Analysis
IP Addresses
bb19.cn points to a single IP address: 156.237.187.9.
Name Servers
bb19.cn is delegated to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
bb19.cn uses the same name server setup as other domains, including tantan123.cn, ipmtv.cn, u531.cn, oyuq.cn and chisor.cn.
Host names with three IP numbers:
ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138; ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38.