usa1.cn - robtex.com
usa1.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.207.71.218🇲🇺 HKIDC-AS-AP45.207.64.0/18 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 | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1784799443 | ||||||
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=2035172895 | ||||||
Same first word
Similar names
sau1.ru |
aus1.net |
us1a.com |
a1us.net |
1aus.com |
1sua.com |
uas1.com |
aus1.com |
1usa.us |
1usa.com |
uas1.co |
1aus.cn |
1usa.co |
aus1.com.au |
a1us.com |
1usa.de |
sau1.com |
sau1.org |
asu1.net |
1usa.org |
DNS History
15 records (3 active, 12 former)
○NScp4.simplehelix.com2015-06-30 → 2015-06-30 · 3 obs
● 2015-06-30 18:17:56
○ 2017-07-10 09:25:02
○ 2026-08-12 19:26:18
○ 2017-07-10 09:25:02
○ 2026-08-12 19:26:18
○NSdns15.hichina.com2017-07-10 → 2017-07-10 · 4 obs
○ 2015-06-30 18:17:56
● 2017-07-10 09:25:02
○ 2026-07-19 14:44:28
○ 2026-08-12 19:26:18
● 2017-07-10 09:25:02
○ 2026-07-19 14:44:28
○ 2026-08-12 19:26:18
○NSdns16.hichina.com2017-07-10 → 2017-07-10 · 4 obs
○ 2015-06-30 18:17:56
● 2017-07-10 09:25:02
○ 2026-07-19 14:44:28
○ 2026-08-12 19:26:18
● 2017-07-10 09:25:02
○ 2026-07-19 14:44:28
○ 2026-08-12 19:26:18
●NSns1.nowcndns.com2026-07-19 → 2026-08-12 · 3 obs
○ 2017-07-10 09:25:02
● 2026-07-19 14:44:28
● 2026-08-12 19:26:18
● 2026-07-19 14:44:28
● 2026-08-12 19:26:18
○NSns17.xincache.com2015-06-30 → 2015-06-30 · 3 obs
● 2015-06-30 18:17:56
○ 2017-07-10 09:25:02
○ 2026-08-12 19:26:18
○ 2017-07-10 09:25:02
○ 2026-08-12 19:26:18
○NSns18.xincache.com2015-06-30 → 2015-06-30 · 3 obs
● 2015-06-30 18:17:56
○ 2017-07-10 09:25:02
○ 2026-08-12 19:26:18
○ 2017-07-10 09:25:02
○ 2026-08-12 19:26:18
●NSns2.nowcndns.com2026-07-19 → 2026-08-12 · 3 obs
○ 2017-07-10 09:25:02
● 2026-07-19 14:44:28
● 2026-08-12 19:26:18
● 2026-07-19 14:44:28
● 2026-08-12 19:26:18
○MXmail.skrimple.com2015-11-19 → 2015-11-19 · 3 obs
● 2015-11-19 00:10:50
○ 2026-07-19 14:44:28
○ 2026-08-12 19:26:18
○ 2026-07-19 14:44:28
○ 2026-08-12 19:26:18
○A154.204.24.1362026-07-19 → 2026-07-19 · 3 obs
○ 2017-07-10 09:25:02
● 2026-07-19 14:44:28
○ 2026-08-12 19:26:18
● 2026-07-19 14:44:28
○ 2026-08-12 19:26:18
○A184.105.178.922015-11-19 → 2015-11-19 · 4 obs
○ 2015-06-30 18:17:56
● 2015-11-19 00:10:50
○ 2016-05-09 11:52:18
○ 2026-08-12 19:26:18
● 2015-11-19 00:10:50
○ 2016-05-09 11:52:18
○ 2026-08-12 19:26:18
○A42.200.34.2492016-05-09 → 2016-05-09 · 4 obs
○ 2015-11-19 00:10:50
● 2016-05-09 11:52:18
○ 2016-07-02 13:08:54
○ 2026-08-12 19:26:18
● 2016-05-09 11:52:18
○ 2016-07-02 13:08:54
○ 2026-08-12 19:26:18
○A42.200.35.1392016-05-09 → 2016-07-02 · 5 obs
○ 2015-11-19 00:10:50
● 2016-05-09 11:52:18
● 2016-07-02 13:08:54
○ 2026-07-19 14:44:28
○ 2026-08-12 19:26:18
● 2016-05-09 11:52:18
● 2016-07-02 13:08:54
○ 2026-07-19 14:44:28
○ 2026-08-12 19:26:18
●A45.207.71.2182026-08-12 → 2026-08-12 · 2 obs
○ 2026-07-19 14:44:28
● 2026-08-12 19:26:18
● 2026-08-12 19:26:18
○A47.90.20.172016-07-02 → 2016-07-02 · 4 obs
○ 2016-05-09 11:52:18
● 2016-07-02 13:08:54
○ 2026-07-19 14:44:28
○ 2026-08-12 19:26:18
● 2016-07-02 13:08:54
○ 2026-07-19 14:44:28
○ 2026-08-12 19:26:18
○A74.119.234.992015-06-30 → 2015-06-30 · 3 obs
● 2015-06-30 18:17:56
○ 2017-07-10 09:25:02
○ 2026-08-12 19:26:18
○ 2017-07-10 09:25:02
○ 2026-08-12 19:26:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, c.dns.cn, a.dns.cn, b.dns.cn... | - |
| usa1.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:211.99.99.38
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usa1.cn (unsigned zone)
⏱️ Timing
Total: 1412ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.207.71.218 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
usa1.cn directs to one IP number, which is 45.207.71.218.
Other host names, such as www.oleebranch.com, share IP numbers with usa1.cn.
Name Servers
usa1.cn is delegated to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
usa1.cn has the same name server delegation as a number of other domains, such as linsuanyao.cn, hzsoft.com.cn, ostkj.cn and two more.
ns1.nowcndns.com and ns2.nowcndns.com each have three IP addresses — ns1.nowcndns.com directs to 1.193.216.204, 218.98.111.129 and 218.98.111.138; ns2.nowcndns.com directs to 61.158.128.11, 183.253.57.202 and 211.99.99.38.