smartusb.com.cn - robtex.com
smartusb.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.12.179.214🇺🇸 PEGTECHINC38.12.128.0/18 PEG TECH INC | ||||||
| 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=1751342926 | ||||||
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=2030567076 | ||||||
Previously NS for
smartusb.com.cn |
Subdomains
mail.smartusb.com.cn |
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSns1.nowcndns.com2026-03-18 → 2026-05-14 · 3 obs
● 2026-03-18 13:15:12
● 2026-05-14 03:26:46
●NSns2.nowcndns.com2026-03-18 → 2026-05-14 · 3 obs
● 2026-03-18 13:15:12
● 2026-05-14 03:26:46
○NSsmartusb.com.cn2017-01-01 → 2017-08-28 · 4 obs
● 2017-08-28 22:55:28
○ 2026-03-18 13:15:12
○ 2026-05-14 03:26:46
○MXmail.smartusb.com.cn2017-01-01 → 2017-08-28 · 4 obs
● 2017-08-28 22:55:28
○ 2026-03-18 13:15:12
○ 2026-05-14 03:26:46
○A121.201.37.802017-01-01 → 2017-01-01 · 3 obs
○ 2017-07-01 16:09:22
○ 2026-05-14 03:26:46
●A38.12.179.2142026-03-18 → 2026-05-14 · 3 obs
● 2026-03-18 13:15:12
● 2026-05-14 03:26:46
○CNAMEbgp08.jotop.com.cn2017-01-01 → 2017-08-28 · 4 obs
● 2017-08-28 22:55:28
○ 2026-03-18 13:15:12
○ 2026-05-14 03:26:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn... | - |
✅ Authoritative Response
Server:203.119.28.1
NS records: d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 748ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Hierarchy
The parent of mail.smartusb.com.cn is smartusb.com.cn.
IP Addresses
smartusb.com.cn points to a single IP: 38.12.179.214.
Other host names, such as mail.smartusb.com.cn, share IP numbers with smartusb.com.cn.
Name Servers
Two name servers ns1.nowcndns.com and ns2.nowcndns.com handle delegation for smartusb.com.cn.
smartusb.com.cn uses the same name server setup as other domains, for example 90v0.cn, sdwenyi.cn, x-hui.cn, qjcs.com.cn and jcxing.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.