tz-by.cn - robtex.com
tz-by.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.204.229.180🇭🇰 OWGELS-AS-AP45.204.224.0/20 AresIDC Limited | ||||||
| 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=1773138263 | ||||||
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=2034668262 | ||||||
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.nowcndns.com2026-03-13 → 2026-04-14 · 2 obs
● 2026-03-13 07:48:20
● 2026-04-14 04:17:22
● 2026-04-14 04:17:22
●NSns2.nowcndns.com2026-03-13 → 2026-04-14 · 2 obs
● 2026-03-13 07:48:20
● 2026-04-14 04:17:22
● 2026-04-14 04:17:22
●A45.204.229.1802026-03-13 → 2026-04-14 · 2 obs
● 2026-03-13 07:48:20
● 2026-04-14 04:17:22
● 2026-04-14 04:17:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, a.dns.cn, b.dns.cn, c.dns.cn... | - |
| tz-by.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:218.98.111.138
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tz-by.cn (unsigned zone)
⏱️ Timing
Total: 1764ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.204.229.180 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
tz-by.cn resolves to one IP number: 45.204.229.180.
Other host names such as quanken.cn and hyida.com.cn share IP numbers with tz-by.cn.
Name Servers
tz-by.cn is delegated to two name servers ns1.nowcndns.com and ns2.nowcndns.com.
tz-by.cn shares the same name server setup as other domains, for instance d515.cn, lzzkzx.cn, xianrenminsquarehoel.cn, leqilvyou.com.cn and figaro.net.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.