ivku.cn - robtex.com
ivku.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.240.31.126🇭🇰 USZNI-AS-AP156.240.16.0/20 Megalayer | ||||||
| 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=1760699625 | ||||||
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=2034772197 | ||||||
Subdomains
www.ivku.cn |
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
○NSdns10.hichina.com2015-11-24 → 2016-11-05 · 4 obs
● 2015-11-24 23:41:04
● 2016-11-05 14:13:28
○ 2026-02-15 19:21:58
○ 2026-05-09 22:25:24
● 2016-11-05 14:13:28
○ 2026-02-15 19:21:58
○ 2026-05-09 22:25:24
○NSdns9.hichina.com2015-11-24 → 2016-11-05 · 4 obs
● 2015-11-24 23:41:04
● 2016-11-05 14:13:28
○ 2026-02-15 19:21:58
○ 2026-05-09 22:25:24
● 2016-11-05 14:13:28
○ 2026-02-15 19:21:58
○ 2026-05-09 22:25:24
●NSns1.nowcndns.com2026-02-15 → 2026-05-09 · 3 obs
○ 2016-11-05 14:13:28
● 2026-02-15 19:21:58
● 2026-05-09 22:25:24
● 2026-02-15 19:21:58
● 2026-05-09 22:25:24
●NSns2.nowcndns.com2026-02-15 → 2026-05-09 · 3 obs
○ 2016-11-05 14:13:28
● 2026-02-15 19:21:58
● 2026-05-09 22:25:24
● 2026-02-15 19:21:58
● 2026-05-09 22:25:24
○MXmxdomain.qq.com2015-11-24 → 2026-02-15 · 4 obs
● 2015-11-24 23:41:04
● 2026-02-15 19:21:58
○ 2026-03-09 05:01:10
○ 2026-05-09 22:25:24
● 2026-02-15 19:21:58
○ 2026-03-09 05:01:10
○ 2026-05-09 22:25:24
○A115.159.83.1892015-11-24 → 2015-12-05 · 5 obs
○ 2015-07-21 18:53:42
● 2015-11-24 23:41:04
● 2015-12-05 21:43:56
○ 2016-03-17 22:58:36
○ 2026-05-09 22:25:24
● 2015-11-24 23:41:04
● 2015-12-05 21:43:56
○ 2016-03-17 22:58:36
○ 2026-05-09 22:25:24
○A115.29.140.1522016-03-17 → 2017-07-07 · 5 obs
○ 2015-12-05 21:43:56
● 2016-03-17 22:58:36
● 2017-07-07 14:53:24
○ 2026-02-15 19:21:58
○ 2026-05-09 22:25:24
● 2016-03-17 22:58:36
● 2017-07-07 14:53:24
○ 2026-02-15 19:21:58
○ 2026-05-09 22:25:24
●A156.240.31.1262026-02-15 → 2026-05-09 · 3 obs
○ 2017-07-07 14:53:24
● 2026-02-15 19:21:58
● 2026-05-09 22:25:24
● 2026-02-15 19:21:58
● 2026-05-09 22:25:24
○A221.8.69.252015-07-21 → 2015-07-21 · 3 obs
● 2015-07-21 18:53:42
○ 2015-11-24 23:41:04
○ 2026-05-09 22:25:24
○ 2015-11-24 23:41:04
○ 2026-05-09 22:25:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ivku.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 ivku.cn (unsigned zone)
⏱️ Timing
Total: 2030ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.240.31.126 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
Hierarchy
ivku.cn is the parent of www.ivku.cn.
IP Addresses
ivku.cn resolves to a single IP address: 156.240.31.126.
Other host names, for instance www.ivku.cn, share IP numbers with ivku.cn.
Name Servers
ivku.cn's delegation uses two name servers, ns1.nowcndns.com and ns2.nowcndns.com.
ivku.cn shares the same name server setup as other domains, for example aabvy.cn, ghgd.com.cn, gzpaimai.cn, mebian.cn and ajaxsamples.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