helpu.cn - robtex.com
helpu.cn
| CNAME | show.17ex.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 8.210.157.232🇭🇰 Alibaba-Cloud8.210.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
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=2035045776 | ||||||
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
●NSns1.17ex.com2026-04-27 → 2026-07-16 · 3 obs
○ 2017-04-20 10:21:06
● 2026-04-27 00:10:14
● 2026-07-16 04:55:54
● 2026-04-27 00:10:14
● 2026-07-16 04:55:54
○NSns1.22.cn2015-06-19 → 2017-04-20 · 4 obs
● 2015-06-19 08:33:38
● 2017-04-20 10:21:06
○ 2026-04-27 00:10:14
○ 2026-07-16 04:55:54
● 2017-04-20 10:21:06
○ 2026-04-27 00:10:14
○ 2026-07-16 04:55:54
●NSns2.17ex.com2026-04-27 → 2026-07-16 · 3 obs
○ 2017-04-20 10:21:06
● 2026-04-27 00:10:14
● 2026-07-16 04:55:54
● 2026-04-27 00:10:14
● 2026-07-16 04:55:54
○NSns2.22.cn2016-01-27 → 2016-06-18 · 5 obs
○ 2015-06-19 08:33:38
● 2016-01-27 01:01:24
● 2016-06-18 01:56:52
○ 2017-04-20 10:21:06
○ 2026-07-16 04:55:54
● 2016-01-27 01:01:24
● 2016-06-18 01:56:52
○ 2017-04-20 10:21:06
○ 2026-07-16 04:55:54
○NSns3.22.cn2016-01-27 → 2016-06-18 · 5 obs
○ 2015-06-19 08:33:38
● 2016-01-27 01:01:24
● 2016-06-18 01:56:52
○ 2017-04-20 10:21:06
○ 2026-07-16 04:55:54
● 2016-01-27 01:01:24
● 2016-06-18 01:56:52
○ 2017-04-20 10:21:06
○ 2026-07-16 04:55:54
○NSns4.22.cn2016-01-27 → 2016-06-18 · 5 obs
○ 2015-06-19 08:33:38
● 2016-01-27 01:01:24
● 2016-06-18 01:56:52
○ 2017-04-20 10:21:06
○ 2026-07-16 04:55:54
● 2016-01-27 01:01:24
● 2016-06-18 01:56:52
○ 2017-04-20 10:21:06
○ 2026-07-16 04:55:54
○MXmxbiz1.qq.com2016-01-27 → 2017-04-20 · 4 obs
● 2016-01-27 01:01:24
● 2017-04-20 10:21:06
○ 2026-04-27 00:10:14
○ 2026-07-16 04:55:54
● 2017-04-20 10:21:06
○ 2026-04-27 00:10:14
○ 2026-07-16 04:55:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn... | - |
| helpu.cn | ns1.17ex.com, ns2.17ex.com | - |
✅ Authoritative Response
Server:211.99.99.35
NS records: ns1.17ex.com, ns2.17ex.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for helpu.cn (unsigned zone)
⏱️ Timing
Total: 3288ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.17ex.com, ns2.17ex.com |
| CNAME | 1 | show.17ex.com |
| SOA | 1 | ns1.17ex.com admin.17ex.com |
Analysis
IP Addresses
helpu.cn has exactly one IP address — 8.210.157.232.
acerbis.cn, paozhua.cn, whois.cnkuai.com plus two other host names have IP numbers in common with helpu.cn.