zk520.cn - robtex.com
zk520.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.177.136.75🇺🇸 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) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1773478251 | ||||||
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=2034670590 | ||||||
Same first word
zk520.cn |
DNS History
3 records (3 active, 0 former)
●NSns1.nowcndns.com2026-03-14 → 2026-04-14 · 2 obs
● 2026-03-14 20:02:42
● 2026-04-14 20:47:08
● 2026-04-14 20:47:08
●NSns2.nowcndns.com2026-03-14 → 2026-04-14 · 2 obs
● 2026-03-14 20:02:42
● 2026-04-14 20:47:08
● 2026-04-14 20:47:08
●A38.177.136.752026-03-14 → 2026-04-14 · 2 obs
● 2026-03-14 20:02:42
● 2026-04-14 20:47:08
● 2026-04-14 20:47:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| zk520.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:218.98.111.129
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for zk520.cn (unsigned zone)
⏱️ Timing
Total: 1821ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.177.136.75 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
zk520.cn resolves to a single IP address: 38.177.136.75.
Other host names, such as mail.freepict.cn and freepict.cn, share IP numbers with zk520.cn.
Name Servers
zk520.cn's delegation uses two name servers, ns1.nowcndns.com and ns2.nowcndns.com.
zk520.cn shares the same name server setup as other domains, for example dusibo.cn, shuiguo360.cn, smker.cn, dotjava.cn and test17.cn.
Host names with three IPs:
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