du91.cn - robtex.com
du91.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 79.110.179.131🇺🇸 QUICKPACKET79.110.176.0/21 | ||||||
| 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=1756017564 | ||||||
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=2034583043 | ||||||
Same first word
du91.cn |
Similar names
DNS History
5 records (3 active, 2 former)
○NSns1.51dns.com2015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 11:55:16
○ 2016-09-22 08:34:38
○ 2026-03-24 21:00:40
○ 2016-09-22 08:34:38
○ 2026-03-24 21:00:40
●NSns1.nowcndns.com2026-03-10 → 2026-03-24 · 3 obs
○ 2016-09-22 08:34:38
● 2026-03-10 05:59:26
● 2026-03-24 21:00:40
● 2026-03-10 05:59:26
● 2026-03-24 21:00:40
●NSns2.nowcndns.com2026-03-10 → 2026-03-24 · 3 obs
○ 2016-09-22 08:34:38
● 2026-03-10 05:59:26
● 2026-03-24 21:00:40
● 2026-03-10 05:59:26
● 2026-03-24 21:00:40
○A104.233.173.2082015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 11:55:16
○ 2016-09-22 08:34:38
○ 2026-03-24 21:00:40
○ 2016-09-22 08:34:38
○ 2026-03-24 21:00:40
●A79.110.179.1312026-03-10 → 2026-03-24 · 3 obs
○ 2016-09-22 08:34:38
● 2026-03-10 05:59:26
● 2026-03-24 21:00:40
● 2026-03-10 05:59:26
● 2026-03-24 21:00:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| du91.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 du91.cn (unsigned zone)
⏱️ Timing
Total: 1536ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 79.110.179.131 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
du91.cn points to IP number: 79.110.179.131.
Name Servers
du91.cn is delegated to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
du91.cn shares the same name server setup as gzjdfz.cn, hsjsclyxgs.cn, cbom.cn, laiersidan.com.cn and jinfengguyun.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.