tydsun.cn - robtex.com
tydsun.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.177.140.72🇺🇸 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=1772939022 | ||||||
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=2034617724 | ||||||
Same first word
tydsun.cn |
Similar names
sytdun.com |
nstudy.com |
nstudy.ru |
nudyst.com |
tyudns.com |
sunydt.com |
dustyn.de |
studny.net |
dustyn.org |
stdyun.com |
nstudy.info |
nystud.com |
studyn.jp |
DNS History
3 records (3 active, 0 former)
●NSns1.nowcndns.com2026-03-23 → 2026-03-31 · 2 obs
● 2026-03-23 21:27:50
● 2026-03-31 21:14:22
● 2026-03-31 21:14:22
●NSns2.nowcndns.com2026-03-23 → 2026-03-31 · 2 obs
● 2026-03-23 21:27:50
● 2026-03-31 21:14:22
● 2026-03-31 21:14:22
●A38.177.140.722026-03-23 → 2026-03-31 · 2 obs
● 2026-03-23 21:27:50
● 2026-03-31 21:14:22
● 2026-03-31 21:14:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| tydsun.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:61.158.128.11
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tydsun.cn (unsigned zone)
⏱️ Timing
Total: 1901ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.177.140.72 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
tydsun.cn points to IP number: 38.177.140.72.
Other host names for instance czchzl.cn, jumogu.cn, hnsphypt.cn and jkgc.com.cn share IP numbers with tydsun.cn.
Name Servers
tydsun.cn is delegated to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
tydsun.cn shares the same name server setup as yddfyrj.cn, 66099.com.cn, tsmtsy.com.cn, wordpress5.cn and jshaiwei.com.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.