400corp.cn - robtex.com
400corp.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.188.153.41🇺🇸 PEGTECHINC140.188.128.0/19 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 | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1785364368 | ||||||
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=2035145755 | ||||||
Subdomains
www.400corp.cn |
Same first word
400corp.cn |
DNS History
12 records (3 active, 9 former)
○NSjuming.dnsdun.com2017-02-19 → 2017-02-19 · 4 obs
● 2017-02-19 12:14:18
○ 2026-08-05 10:45:20
○ 2026-08-05 15:42:26
○NSjuming.dnsdun.net2017-02-19 → 2017-02-19 · 4 obs
● 2017-02-19 12:14:18
○ 2026-08-05 10:45:20
○ 2026-08-05 15:42:26
○NSns.dns.net.cn2015-08-06 → 2016-07-11 · 4 obs
● 2016-07-11 05:45:06
○ 2017-02-19 12:14:18
○ 2026-08-05 15:42:26
●NSns1.nowcndns.com2026-08-05 → 2026-08-05 · 3 obs
● 2026-08-05 10:45:20
● 2026-08-05 15:42:26
●NSns2.nowcndns.com2026-08-05 → 2026-08-05 · 3 obs
● 2026-08-05 10:45:20
● 2026-08-05 15:42:26
○NSns20.dns.net.cn2015-08-06 → 2016-07-11 · 4 obs
● 2016-07-11 05:45:06
○ 2017-02-19 12:14:18
○ 2026-08-05 15:42:26
○NSns7.dns.net.cn2015-08-06 → 2016-07-11 · 5 obs
○ 2015-12-08 15:43:48
● 2016-07-11 05:45:06
○ 2017-02-19 12:14:18
○ 2026-08-05 15:42:26
○MXmx.cnc.jia.net2015-08-06 → 2016-07-11 · 4 obs
● 2016-07-11 05:45:06
○ 2017-02-19 12:14:18
○ 2026-08-05 15:42:26
○A118.145.6.502015-08-06 → 2016-07-11 · 4 obs
● 2016-07-11 05:45:06
○ 2017-02-19 12:14:18
○ 2026-08-05 15:42:26
○A122.114.246.1122017-02-19 → 2017-02-19 · 4 obs
● 2017-02-19 12:14:18
○ 2026-08-05 10:45:20
○ 2026-08-05 15:42:26
●A140.188.153.412026-08-05 → 2026-08-05 · 3 obs
● 2026-08-05 10:45:20
● 2026-08-05 15:42:26
○A38.12.218.742026-08-05 → 2026-08-05 · 2 obs
○ 2026-08-05 15:42:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 400corp.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 400corp.cn (unsigned zone)
⏱️ Timing
Total: 1750ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.188.153.41 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
Hierarchy
400corp.cn serves as the parent of www.400corp.cn.
IP Addresses
400corp.cn resolves to one IP address: 140.188.153.41.
www.400corp.cn, kteng.cn, cueb-edu.cn and two other host names share IP numbers with 400corp.cn.
Name Servers
400corp.cn uses two name servers for its delegation: ns1.nowcndns.com and ns2.nowcndns.com.
400corp.cn uses the same name servers as several other domains — among them yguoa.cn, hothuo.cn, cutelook.cn and two more.
ns1.nowcndns.com and ns2.nowcndns.com each have three IP addresses — ns1.nowcndns.com directs to 1.193.216.204, 218.98.111.129 and 218.98.111.138; ns2.nowcndns.com directs to 61.158.128.11, 183.253.57.202 and 211.99.99.38.