filter100.cn - robtex.com
filter100.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.56.47.21🇺🇸 USZNI-AS-AP207.56.32.0/19 | ||||||
| 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=1760610092 | ||||||
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=2034598724 | ||||||
Subdomains
www.filter100.cn |
Same first word
filter100.cn |
DNS History
6 records (3 active, 3 former)
○NSns1.dnsdun.com2018-10-17 → 2018-10-17 · 3 obs
○ 2026-03-26 21:41:18
○ 2026-03-28 12:55:30
○NSns1.dnsdun.net2018-10-17 → 2018-10-17 · 3 obs
○ 2026-03-26 21:41:18
○ 2026-03-28 12:55:30
●NSns1.nowcndns.com2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 21:41:18
● 2026-03-28 12:55:30
●NSns2.nowcndns.com2026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 21:41:18
● 2026-03-28 12:55:30
●A207.56.47.212026-03-26 → 2026-03-28 · 3 obs
● 2026-03-26 21:41:18
● 2026-03-28 12:55:30
○A23.245.248.982018-10-17 → 2018-10-17 · 3 obs
○ 2026-03-26 21:41:18
○ 2026-03-28 12:55:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| filter100.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 filter100.cn (unsigned zone)
⏱️ Timing
Total: 4735ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 207.56.47.21 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
Hierarchy
filter100.cn is parent of www.filter100.cn.
IP Addresses
filter100.cn points to a single IP: 207.56.47.21.
Other host names such as valle.com.cn and www.filter100.cn share IP numbers with filter100.cn.
Name Servers
filter100.cn's delegation is to two name servers ns1.nowcndns.com and ns2.nowcndns.com.
filter100.cn shares the same name server configuration as other domains, such as adnet8.cn, bshgf.cn, 72660.cn, mimifafa.cn and remx.cn.
Host names with three IP numbers
The host name ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138; the host name ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38