duoduotech.com.cn - robtex.com
duoduotech.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 67.211.69.34🇭🇰 DIMENSION-167.211.69.0/24 67.211.69.0/24 | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.onclouddns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.onclouddns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1777014366 | ||||||
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=2030567848 | ||||||
Same first word
duoduotech.com |
duoduotech.com.cn |
DNS History
11 records (5 active, 6 former)
●NSns1.julydns.com2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 11:47:58
●NSns1.onclouddns.com2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 11:47:58
●NSns2.julydns.com2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 11:47:58
●NSns2.onclouddns.com2026-05-14 → 2026-05-14 · 2 obs
● 2026-05-14 11:47:58
●A67.211.69.342026-05-14 → 2026-05-14 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn... | - |
| duoduotech.com.cn | ns1.onclouddns.com, ns2.onclouddns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.onclouddns.com, ns2.onclouddns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for duoduotech.com.cn (unsigned zone)
⏱️ Timing
Total: 2245ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 67.211.69.34 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
duoduotech.com.cn points to IP number 67.211.69.34.
For instance, other host names 20.lymeijin.cn, 5.jzhhsy.cn, pixp.chengshuoyi.com, okwater.cn and knnln.lvshuyun.com share IP numbers with duoduotech.com.cn.
Name Servers
duoduotech.com.cn is delegated to four name servers: ns1.julydns.com, ns2.julydns.com, ns1.onclouddns.com and ns2.onclouddns.com.
duoduotech.com.cn shares name servers with other domains at least partially, for example jdzxbtw.cn, crod-lykf.com, jvguo.com, 0086678.com and wiyuan.com.
These name servers are commonly used with the name servers ns1.judns.com and ns2.judns.com.
Host names with one IP number:
ns1.julydns.com points to: 162.159.48.223.
ns2.julydns.com points to: 162.159.48.223.
ns1.onclouddns.com points to: 162.159.27.251.
ns2.onclouddns.com points to: 162.159.27.251.
Host names pointing to 162.159.48.223: ns1.julydns.com and ns2.julydns.com.
Host names pointing to 162.159.27.251: ns1.onclouddns.com and ns2.onclouddns.com.