itsupport.cn - robtex.com
itsupport.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=2034609900 | ||||||
Subdomains
www.itsupport.cn |
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
●NSdns11.hichina.com2026-03-26 → 2026-03-30 · 3 obs
○ 2018-09-17 18:47:32
● 2026-03-26 20:28:58
● 2026-03-30 06:00:30
● 2026-03-26 20:28:58
● 2026-03-30 06:00:30
●NSdns12.hichina.com2026-03-26 → 2026-03-30 · 3 obs
○ 2018-09-17 18:47:32
● 2026-03-26 20:28:58
● 2026-03-30 06:00:30
● 2026-03-26 20:28:58
● 2026-03-30 06:00:30
○NSwww.itsupport.cn2018-09-17 → 2018-09-17 · 3 obs
● 2018-09-17 18:47:32
○ 2026-03-26 20:28:58
○ 2026-03-30 06:00:30
○ 2026-03-26 20:28:58
○ 2026-03-30 06:00:30
○A42.200.35.1392016-06-20 → 2016-06-20 · 4 obs
○ 2016-02-28 00:52:28
● 2016-06-20 05:03:48
○ 2018-09-17 18:47:32
○ 2026-03-30 06:00:30
● 2016-06-20 05:03:48
○ 2018-09-17 18:47:32
○ 2026-03-30 06:00:30
○A47.90.20.172016-06-20 → 2016-06-20 · 4 obs
○ 2016-02-28 00:52:28
● 2016-06-20 05:03:48
○ 2018-09-17 18:47:32
○ 2026-03-30 06:00:30
● 2016-06-20 05:03:48
○ 2018-09-17 18:47:32
○ 2026-03-30 06:00:30
○A64.62.224.2532015-06-26 → 2016-02-28 · 4 obs
● 2015-06-26 14:05:58
● 2016-02-28 00:52:28
○ 2016-06-20 05:03:48
○ 2026-03-30 06:00:30
● 2016-02-28 00:52:28
○ 2016-06-20 05:03:48
○ 2026-03-30 06:00:30
○CNAMEi.dcoin.co2018-09-17 → 2018-09-17 · 3 obs
● 2018-09-17 18:47:32
○ 2026-03-26 20:28:58
○ 2026-03-30 06:00:30
○ 2026-03-26 20:28:58
○ 2026-03-30 06:00:30
●CNAMEoverdue.aliyun.com2026-03-26 → 2026-03-30 · 3 obs
○ 2018-09-17 18:47:32
● 2026-03-26 20:28:58
● 2026-03-30 06:00:30
● 2026-03-26 20:28:58
● 2026-03-30 06:00:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| itsupport.cn | dns11.hichina.com, dns12.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.121
NS records: dns11.hichina.com, dns12.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for itsupport.cn (unsigned zone)
⏱️ Timing
Total: 1525ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns12.hichina.com, dns11.hichina.com |
| CNAME | 1 | overdue.aliyun.com |
| SOA | 1 | dns11.hichina.com hostmaster.hichina.com |
Analysis
Hierarchy
itsupport.cn is the parent of www.itsupport.cn.
IP Addresses
itsupport.cn resolves to one IP number: 170.33.12.185.
other host names including fkcx.cn, hldm.cn, ahjq.cn, bpsp.cn and btdb.cn share IP numbers with itsupport.cn.