usbort.cn - robtex.com
usbort.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.245.86.213🇺🇸 ENERGY-GROUP-NETWORKS173.245.64.0/19 Energy Group Networks 55s Market, San Jose | ||||||
| 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=1755091238 | ||||||
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=2034661615 | ||||||
Same first word
usbort.cn |
Similar names
DNS History
3 records (3 active, 0 former)
●NSns1.nowcndns.com2026-03-31 → 2026-04-12 · 2 obs
● 2026-04-12 07:23:00
●NSns2.nowcndns.com2026-03-31 → 2026-04-12 · 2 obs
● 2026-04-12 07:23:00
●A173.245.86.2132026-03-31 → 2026-04-12 · 2 obs
● 2026-04-12 07:23:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| usbort.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 usbort.cn (unsigned zone)
⏱️ Timing
Total: 4921ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.245.86.213 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
usbort.cn resolves to a single IP address: 173.245.86.213.
Other host names including coolandfun.top, sxh427.top, xierx.top, 362525.cn and ptcuj.com share IP numbers with usbort.cn.
Name Servers
usbort.cn's delegation uses two name servers, ns1.nowcndns.com and ns2.nowcndns.com.
usbort.cn shares the same name server setup as other domains, for example zxrj.org.cn, yinfengbank.cn, 998990.cn, cejj.cn and 88tv.org.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