51ipo.cn - robtex.com
51ipo.cn
| CNAME | cs1.ename.net | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.179.117.50🇸🇬 Amazon54.179.0.0/17 SIN prefix | ||||||
| PTR | ec2-54-179-117-50.ap-southeast-1.compute.amazonaws.com | ||||||
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 | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035159688 | ||||||
Same first word
51ipo.cn |
Similar names
DNS History
13 records (3 active, 10 former)
○NSdns1.iidns.com2015-06-13 → 2016-11-27 · 4 obs
● 2015-06-13 16:13:34
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
○NSdns2.iidns.com2015-06-13 → 2016-11-27 · 4 obs
● 2015-06-13 16:13:34
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
○NSdns3.iidns.com2015-06-13 → 2016-11-27 · 4 obs
● 2015-06-13 16:13:34
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
○NSdns4.iidns.com2015-06-13 → 2016-11-27 · 4 obs
● 2015-06-13 16:13:34
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
○NSdns5.iidns.com2015-06-13 → 2016-11-27 · 4 obs
● 2015-06-13 16:13:34
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
○NSdns6.iidns.com2015-06-13 → 2016-11-27 · 4 obs
● 2015-06-13 16:13:34
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
●NSns1.ename.net2026-06-24 → 2026-08-09 · 3 obs
○ 2016-11-27 21:40:10
● 2026-06-24 04:29:16
● 2026-08-09 13:06:22
● 2026-06-24 04:29:16
● 2026-08-09 13:06:22
●NSns2.ename.net2026-06-24 → 2026-08-09 · 3 obs
○ 2016-11-27 21:40:10
● 2026-06-24 04:29:16
● 2026-08-09 13:06:22
● 2026-06-24 04:29:16
● 2026-08-09 13:06:22
○A67.198.140.2362015-10-26 → 2015-10-26 · 4 obs
○ 2015-06-13 16:13:34
● 2015-10-26 07:37:08
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
● 2015-10-26 07:37:08
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
○A69.176.84.352015-06-13 → 2015-06-13 · 3 obs
● 2015-06-13 16:13:34
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
●CNAMEcs1.ename.net2026-06-24 → 2026-08-09 · 3 obs
○ 2016-11-27 21:40:10
● 2026-06-24 04:29:16
● 2026-08-09 13:06:22
● 2026-06-24 04:29:16
● 2026-08-09 13:06:22
○CNAMEns.dns12.idcys.com2015-10-26 → 2016-11-27 · 7 obs
○ 2015-06-13 16:13:34
● 2015-10-26 07:37:08
○ 2016-01-14 04:00:36
○ 2016-04-06 02:20:40
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
● 2015-10-26 07:37:08
○ 2016-01-14 04:00:36
○ 2016-04-06 02:20:40
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
○CNAMEnstianyouzhan.dns8.idcys.com2015-06-13 → 2016-11-27 · 7 obs
● 2015-06-13 16:13:34
● 2015-10-26 07:37:08
○ 2016-01-14 04:00:36
○ 2016-04-06 02:20:40
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
● 2015-10-26 07:37:08
○ 2016-01-14 04:00:36
○ 2016-04-06 02:20:40
● 2016-11-27 21:40:10
○ 2026-06-24 04:29:16
○ 2026-08-09 13:06:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, ns.cernet.net... | 11 records |
| 51ipo.cn | ns1.ename.net, ns2.ename.net | - |
✅ Authoritative Response
Server:1.193.216.198
NS records: ns1.ename.net, ns2.ename.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51ipo.cn (unsigned zone)
⏱️ Timing
Total: 4825ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.ename.net, ns2.ename.net |
| CNAME | 1 | cs1.ename.net |
| SOA | 1 | ns1.ename.net admin.ename.net |
📌 Glue Records Collected
Total: 11
In-bailiwick: 10 (e.dns.cn, e.dns.cn, a.dns.cn...)
Out-of-bailiwick: 1 (ns.cernet.net)
Analysis
IP Addresses
51ipo.cn directs to one IP number, which is 54.179.117.50.
Among the host names that share IP numbers with 51ipo.cn are jgnz.net, pianhan.com, www.www.saima.net and two others.