51240.cn - robtex.com
51240.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 191.214.137.169🇧🇷 UNSPECIFIED160.0.0.0/3 | ||||||
| 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=1775545996 | ||||||
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=2035162028 | ||||||
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
○NSf1g1ns1.dnspod.net2015-05-30 → 2015-10-21 · 4 obs
● 2015-10-21 07:02:58
○ 2026-07-17 03:14:44
○ 2026-08-10 04:25:22
○NSf1g1ns2.dnspod.net2015-05-30 → 2015-10-21 · 4 obs
● 2015-10-21 07:02:58
○ 2026-07-17 03:14:44
○ 2026-08-10 04:25:22
●NSns1.nowcndns.com2026-07-17 → 2026-08-10 · 3 obs
● 2026-07-17 03:14:44
● 2026-08-10 04:25:22
●NSns2.nowcndns.com2026-07-17 → 2026-08-10 · 3 obs
● 2026-07-17 03:14:44
● 2026-08-10 04:25:22
○MXmail.skrimple.com2015-12-21 → 2017-04-05 · 4 obs
● 2017-04-05 11:14:38
○ 2026-07-17 03:14:44
○ 2026-08-10 04:25:22
○A103.51.144.812016-09-14 → 2017-04-05 · 5 obs
● 2016-09-14 13:12:12
● 2017-04-05 11:14:38
○ 2026-07-17 03:14:44
○ 2026-08-10 04:25:22
○A123.254.111.1902015-05-30 → 2015-10-21 · 4 obs
● 2015-10-21 07:02:58
○ 2015-12-21 22:52:04
○ 2026-08-10 04:25:22
●A191.214.137.1692026-07-17 → 2026-08-10 · 3 obs
● 2026-07-17 03:14:44
● 2026-08-10 04:25:22
○A65.19.157.2352015-12-21 → 2016-02-04 · 5 obs
● 2015-12-21 22:52:04
● 2016-02-04 12:54:10
○ 2016-09-14 13:12:12
○ 2026-08-10 04:25:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 51240.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:1.193.216.204
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51240.cn (unsigned zone)
⏱️ Timing
Total: 1772ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 191.214.137.169 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
51240.cn points to a single IP number: 191.214.137.169.
Additional host names — hyluntai.com, jewelrymall.cc, ming7.cn and two others — share IP numbers with 51240.cn.
Name Servers
The NS records for 51240.cn delegate to ns1.nowcndns.com and ns2.nowcndns.com.
51240.cn shares its name server setup with other domains, including settles.cn, hsqj.com.cn, cb-gy.cn and two others.
ns1.nowcndns.com and ns2.nowcndns.com each resolve to three IP addresses. ns1.nowcndns.com resolves to 1.193.216.204, 218.98.111.129 and 218.98.111.138. ns2.nowcndns.com resolves to 61.158.128.11, 183.253.57.202 and 211.99.99.38.