flexsys.cn - dns.ninja
flexsys.cn
| CNAME | overdue.aliyun.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 170.33.12.185🇸🇬 Alibaba_Cloud_SEC170.33.12.0/24 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=2035125250 | ||||||
Same first word
Similar names
DNS History
9 records (3 active, 6 former)
●NSdns3.hichina.com2026-03-23 → 2026-08-02 · 3 obs
○ 2017-06-30 04:52:12
● 2026-03-23 13:13:50
● 2026-08-02 19:23:50
● 2026-03-23 13:13:50
● 2026-08-02 19:23:50
●NSdns4.hichina.com2026-03-23 → 2026-08-02 · 3 obs
○ 2017-06-30 04:52:12
● 2026-03-23 13:13:50
● 2026-08-02 19:23:50
● 2026-03-23 13:13:50
● 2026-08-02 19:23:50
○NSwww.flexsys.cn2015-05-15 → 2017-06-30 · 4 obs
● 2015-05-15 19:27:36
● 2017-06-30 04:52:12
○ 2026-03-23 13:13:50
○ 2026-08-02 19:23:50
● 2017-06-30 04:52:12
○ 2026-03-23 13:13:50
○ 2026-08-02 19:23:50
○MXio.bouncemx.com2015-12-30 → 2016-03-28 · 4 obs
● 2015-12-30 00:35:08
● 2016-03-28 09:22:00
○ 2017-06-30 04:52:12
○ 2026-08-02 19:23:50
● 2016-03-28 09:22:00
○ 2017-06-30 04:52:12
○ 2026-08-02 19:23:50
○A70.39.84.2282015-05-15 → 2015-05-15 · 3 obs
● 2015-05-15 19:27:36
○ 2017-06-30 04:52:12
○ 2026-08-02 19:23:50
○ 2017-06-30 04:52:12
○ 2026-08-02 19:23:50
○A70.39.84.2312015-12-30 → 2015-12-30 · 4 obs
○ 2015-05-15 19:27:36
● 2015-12-30 00:35:08
○ 2016-03-28 09:22:00
○ 2026-08-02 19:23:50
● 2015-12-30 00:35:08
○ 2016-03-28 09:22:00
○ 2026-08-02 19:23:50
○A70.39.84.2412016-03-28 → 2016-03-28 · 4 obs
○ 2015-12-30 00:35:08
● 2016-03-28 09:22:00
○ 2017-06-30 04:52:12
○ 2026-08-02 19:23:50
● 2016-03-28 09:22:00
○ 2017-06-30 04:52:12
○ 2026-08-02 19:23:50
○CNAMEf.dcoin.co2015-05-15 → 2017-06-30 · 4 obs
● 2015-05-15 19:27:36
● 2017-06-30 04:52:12
○ 2026-03-23 13:13:50
○ 2026-08-02 19:23:50
● 2017-06-30 04:52:12
○ 2026-03-23 13:13:50
○ 2026-08-02 19:23:50
●CNAMEoverdue.aliyun.com2026-03-23 → 2026-08-02 · 3 obs
○ 2017-06-30 04:52:12
● 2026-03-23 13:13:50
● 2026-08-02 19:23:50
● 2026-03-23 13:13:50
● 2026-08-02 19:23:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, e.dns.cn, b.dns.cn, a.dns.cn... | - |
| flexsys.cn | dns3.hichina.com, dns4.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.123
NS records: dns3.hichina.com, dns4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for flexsys.cn (unsigned zone)
⏱️ Timing
Total: 1367ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns4.hichina.com, dns3.hichina.com |
| CNAME | 1 | overdue.aliyun.com |
| SOA | 1 | dns3.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
flexsys.cn resolves to one IP address: 170.33.12.185.
bc4399.com, dounao.com, buchaoxi.com and two other host names share IP numbers with flexsys.cn.