dumbbell.cn - robtex.com
dumbbell.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 156.239.175.88🇺🇸 USZNI-AS-AP156.239.160.0/20 | ||||||
| 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=1770025638 | ||||||
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=2034775998 | ||||||
Same first word
DNS History
8 records (3 active, 5 former)
○NSdns.bizcn.com2016-12-30 → 2017-02-25 · 5 obs
○ 2016-01-26 16:47:20
● 2016-12-30 03:17:30
● 2017-02-25 17:26:42
○ 2026-03-26 02:32:44
○ 2026-05-10 22:59:34
● 2016-12-30 03:17:30
● 2017-02-25 17:26:42
○ 2026-03-26 02:32:44
○ 2026-05-10 22:59:34
○NSns1.dns.com.cn2016-01-26 → 2017-02-25 · 5 obs
○ 2015-07-04 21:50:56
● 2016-01-26 16:47:20
● 2017-02-25 17:26:42
○ 2026-03-26 02:32:44
○ 2026-05-10 22:59:34
● 2016-01-26 16:47:20
● 2017-02-25 17:26:42
○ 2026-03-26 02:32:44
○ 2026-05-10 22:59:34
●NSns1.nowcndns.com2026-03-26 → 2026-05-10 · 3 obs
○ 2017-02-25 17:26:42
● 2026-03-26 02:32:44
● 2026-05-10 22:59:34
● 2026-03-26 02:32:44
● 2026-05-10 22:59:34
○NSns2.dns.com.cn2015-07-04 → 2017-02-25 · 6 obs
● 2015-07-04 21:50:56
● 2016-01-26 16:47:20
○ 2016-12-30 03:17:30
● 2017-02-25 17:26:42
○ 2026-03-26 02:32:44
○ 2026-05-10 22:59:34
● 2016-01-26 16:47:20
○ 2016-12-30 03:17:30
● 2017-02-25 17:26:42
○ 2026-03-26 02:32:44
○ 2026-05-10 22:59:34
●NSns2.nowcndns.com2026-03-26 → 2026-05-10 · 3 obs
○ 2017-02-25 17:26:42
● 2026-03-26 02:32:44
● 2026-05-10 22:59:34
● 2026-03-26 02:32:44
● 2026-05-10 22:59:34
○MXmx62.dns.com.cn2016-01-26 → 2017-02-25 · 4 obs
● 2016-01-26 16:47:20
● 2017-02-25 17:26:42
○ 2026-03-26 02:32:44
○ 2026-05-10 22:59:34
● 2017-02-25 17:26:42
○ 2026-03-26 02:32:44
○ 2026-05-10 22:59:34
●A156.239.175.882026-03-26 → 2026-05-10 · 3 obs
○ 2017-02-25 17:26:42
● 2026-03-26 02:32:44
● 2026-05-10 22:59:34
● 2026-03-26 02:32:44
● 2026-05-10 22:59:34
○A222.76.216.2462015-07-04 → 2017-02-25 · 4 obs
● 2015-07-04 21:50:56
● 2017-02-25 17:26:42
○ 2026-03-26 02:32:44
○ 2026-05-10 22:59:34
● 2017-02-25 17:26:42
○ 2026-03-26 02:32:44
○ 2026-05-10 22:59:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| dumbbell.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:1.193.216.204
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at dumbbell.cn: Error: DNS query timeout: 203.119.29.1 for DS dumbbell.cn
⏱️ Timing
Total: 4370ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 156.239.175.88 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
dumbbell.cn resolves to a single IP: 156.239.175.88.
Name Servers
dumbbell.cn has two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
dumbbell.cn shares the same name server setup as other domains, for example henanpenhui.com.cn, ndghykj.cn, flwq.com.cn, ehrsoft.cn and hg008866.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.