dd4000.cn - robtex.com
dd4000.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.177.181.175🇺🇸 AS39847838.177.128.0/18 PEG TECH INC PT-82 | ||||||
| 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) | ||||||
| PTR | ip-183-253-57-202.defastlink.net | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1773124731 | ||||||
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=2034597842 | ||||||
Same first word
DNS History
5 records (3 active, 2 former)
●NSns1.nowcndns.com2026-02-22 → 2026-03-28 · 2 obs
● 2026-03-28 07:37:50
●NSns2.nowcndns.com2026-02-22 → 2026-03-28 · 2 obs
● 2026-03-28 07:37:50
○A210.209.85.512015-08-21 → 2016-04-19 · 4 obs
● 2016-04-19 09:23:08
○ 2026-02-22 12:00:36
○ 2026-03-28 07:37:50
○A38.177.143.612026-02-22 → 2026-03-04 · 4 obs
● 2026-02-22 12:00:36
● 2026-03-04 09:39:00
○ 2026-03-28 07:37:50
●A38.177.181.1752026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 07:37:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, c.dns.cn, a.dns.cn, b.dns.cn... | - |
| dd4000.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:183.253.57.202
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dd4000.cn (unsigned zone)
⏱️ Timing
Total: 4201ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.177.181.175 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
dd4000.cn points to a single IP number: 38.177.181.175.
other host names for instance odxbxlx.cn, wutec.cn, gybin.cn, htbzj.cn and eloundabay.cn share IP numbers with dd4000.cn.
Name Servers
dd4000.cn is delegated to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
dd4000.cn shares the same name server setup as other domains, for example ifeng.ac.cn, rioy.cn, cuifo.cn, qiann.com.cn and tyxld.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.