csbu.cn - robtex.com
csbu.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 107.149.51.166🇺🇸 PEGTECHINC107.149.0.0/18 | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| 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) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1773324444 | ||||||
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=2034673715 | ||||||
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSns1.nowcndns.com2026-03-27 → 2026-04-15 · 2 obs
● 2026-03-27 13:51:22
● 2026-04-15 15:12:22
● 2026-04-15 15:12:22
●NSns2.nowcndns.com2026-03-27 → 2026-04-15 · 2 obs
● 2026-03-27 13:51:22
● 2026-04-15 15:12:22
● 2026-04-15 15:12:22
●A107.149.51.1662026-03-27 → 2026-04-15 · 3 obs
○ 2016-06-22 04:02:04
● 2026-03-27 13:51:22
● 2026-04-15 15:12:22
● 2026-03-27 13:51:22
● 2026-04-15 15:12:22
○A42.200.35.1392016-06-22 → 2016-06-22 · 4 obs
○ 2016-01-03 14:18:50
● 2016-06-22 04:02:04
○ 2026-03-27 13:51:22
○ 2026-04-15 15:12:22
● 2016-06-22 04:02:04
○ 2026-03-27 13:51:22
○ 2026-04-15 15:12:22
○A47.90.20.172016-06-22 → 2016-06-22 · 4 obs
○ 2016-01-03 14:18:50
● 2016-06-22 04:02:04
○ 2026-03-27 13:51:22
○ 2026-04-15 15:12:22
● 2016-06-22 04:02:04
○ 2026-03-27 13:51:22
○ 2026-04-15 15:12:22
○A64.62.224.2532015-10-27 → 2016-01-03 · 4 obs
● 2015-10-27 03:34:40
● 2016-01-03 14:18:50
○ 2016-06-22 04:02:04
○ 2026-04-15 15:12:22
● 2016-01-03 14:18:50
○ 2016-06-22 04:02:04
○ 2026-04-15 15:12:22
○CNAME1075.dragonparking.com2016-10-29 → 2016-10-29 · 3 obs
● 2016-10-29 15:28:38
○ 2026-03-27 13:51:22
○ 2026-04-15 15:12:22
○ 2026-03-27 13:51:22
○ 2026-04-15 15:12:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| csbu.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:211.99.99.38
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for csbu.cn (unsigned zone)
⏱️ Timing
Total: 4851ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 107.149.51.166 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
csbu.cn points to a single IP number: 107.149.51.166.
Other host names, for instance newvis.com.cn, hskl.com.cn and pyej.cn share IP numbers with csbu.cn.
Name Servers
csbu.cn is delegated to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
csbu.cn uses the same name server setup as other domains, for instance sdswsbjxh.org.cn, pengchuchuju.cn, qivpt.cn, elrv.cn and tzwxpt.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.