520tr.cn - robtex.com
520tr.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 140.188.70.47🇺🇸 PEGTECHINC140.188.64.0/18 PEG TECH INC | ||||||
| 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=1781779382 | ||||||
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 2035-08-12 #61 | ||||||
Same first word
Similar names
DNS History
16 records (3 active, 13 former)
○NSa.dnspod.com2017-05-14 → 2017-05-14 · 4 obs
○ 2016-09-05 12:38:00
● 2017-05-14 19:46:54
○ 2026-04-26 09:16:54
○ 2026-07-23 22:35:12
● 2017-05-14 19:46:54
○ 2026-04-26 09:16:54
○ 2026-07-23 22:35:12
○NSb.dnspod.com2017-05-14 → 2017-05-14 · 4 obs
○ 2016-09-05 12:38:00
● 2017-05-14 19:46:54
○ 2026-04-26 09:16:54
○ 2026-07-23 22:35:12
● 2017-05-14 19:46:54
○ 2026-04-26 09:16:54
○ 2026-07-23 22:35:12
○NSc.dnspod.com2017-05-14 → 2017-05-14 · 4 obs
○ 2016-09-05 12:38:00
● 2017-05-14 19:46:54
○ 2026-04-26 09:16:54
○ 2026-07-23 22:35:12
● 2017-05-14 19:46:54
○ 2026-04-26 09:16:54
○ 2026-07-23 22:35:12
○NSns1.myhostadmin.net2016-09-05 → 2016-09-05 · 3 obs
● 2016-09-05 12:38:00
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
●NSns1.nowcndns.com2026-04-26 → 2026-07-23 · 3 obs
○ 2017-05-14 19:46:54
● 2026-04-26 09:16:54
● 2026-07-23 22:35:12
● 2026-04-26 09:16:54
● 2026-07-23 22:35:12
○NSns2.myhostadmin.net2016-09-05 → 2016-09-05 · 3 obs
● 2016-09-05 12:38:00
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
●NSns2.nowcndns.com2026-04-26 → 2026-07-23 · 3 obs
○ 2017-05-14 19:46:54
● 2026-04-26 09:16:54
● 2026-07-23 22:35:12
● 2026-04-26 09:16:54
● 2026-07-23 22:35:12
○NSns3.myhostadmin.net2016-09-05 → 2016-09-05 · 3 obs
● 2016-09-05 12:38:00
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
○NSns4.myhostadmin.net2016-09-05 → 2016-09-05 · 3 obs
● 2016-09-05 12:38:00
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
○NSns5.myhostadmin.net2016-09-05 → 2016-09-05 · 3 obs
● 2016-09-05 12:38:00
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
○NSns6.myhostadmin.net2016-09-05 → 2016-09-05 · 3 obs
● 2016-09-05 12:38:00
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
○A103.56.112.2262017-05-14 → 2017-05-14 · 4 obs
○ 2016-09-05 12:38:00
● 2017-05-14 19:46:54
○ 2026-04-26 09:16:54
○ 2026-07-23 22:35:12
● 2017-05-14 19:46:54
○ 2026-04-26 09:16:54
○ 2026-07-23 22:35:12
●A140.188.70.472026-07-23 → 2026-07-23 · 3 obs
○ 2026-05-17 12:01:40
● 2026-07-23 22:35:10
● 2026-07-23 22:35:12
● 2026-07-23 22:35:10
● 2026-07-23 22:35:12
○A172.106.241.692016-09-05 → 2016-09-05 · 3 obs
● 2016-09-05 12:38:00
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
○ 2017-05-14 19:46:54
○ 2026-07-23 22:35:12
○A38.11.41.2142026-05-17 → 2026-05-17 · 4 obs
○ 2026-04-26 09:16:54
● 2026-05-17 12:01:40
○ 2026-07-23 22:35:10
○ 2026-07-23 22:35:12
● 2026-05-17 12:01:40
○ 2026-07-23 22:35:10
○ 2026-07-23 22:35:12
○A38.12.210.2302026-04-26 → 2026-04-26 · 4 obs
○ 2017-05-14 19:46:54
● 2026-04-26 09:16:54
○ 2026-05-17 12:01:40
○ 2026-07-23 22:35:12
● 2026-04-26 09:16:54
○ 2026-05-17 12:01:40
○ 2026-07-23 22:35:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 520tr.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 520tr.cn (unsigned zone)
⏱️ Timing
Total: 2991ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 140.188.70.47 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
520tr.cn resolves to one IP address: 140.188.70.47.
Name Servers
DNS delegation for 520tr.cn points to two name servers: ns1.nowcndns.com and ns2.nowcndns.com.
520tr.cn uses the same name servers as several other domains — among them myessay.cn, soupuwang.cn, jnqajs.cn and two more.
520tr.cn has partial name server overlap with other domains, including dgyike.com.
The hosts ns1.nowcndns.com and ns2.nowcndns.com both resolve to three IP numbers: ns1.nowcndns.com to 1.193.216.204, 218.98.111.129 and 218.98.111.138, and ns2.nowcndns.com to 61.158.128.11, 183.253.57.202 and 211.99.99.38.