ltop.cn - robtex.com
ltop.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=2034609060 | ||||||
Subdomains
mx.ltop.cn |
Same first word
Similar names
DNS History
7 records (3 active, 4 former)
●NSdns11.hichina.com2026-03-27 → 2026-03-30 · 3 obs
○ 2017-03-30 06:53:36
● 2026-03-27 16:24:56
● 2026-03-30 01:48:10
● 2026-03-27 16:24:56
● 2026-03-30 01:48:10
●NSdns12.hichina.com2026-03-27 → 2026-03-30 · 3 obs
○ 2017-03-30 06:53:36
● 2026-03-27 16:24:56
● 2026-03-30 01:48:10
● 2026-03-27 16:24:56
● 2026-03-30 01:48:10
○NSns1.8hy.cn2015-04-30 → 2017-03-30 · 4 obs
● 2015-04-30 11:59:00
● 2017-03-30 06:53:36
○ 2026-03-27 16:24:56
○ 2026-03-30 01:48:10
● 2017-03-30 06:53:36
○ 2026-03-27 16:24:56
○ 2026-03-30 01:48:10
○NSns2.8hy.cn2015-04-30 → 2017-03-30 · 4 obs
● 2015-04-30 11:59:00
● 2017-03-30 06:53:36
○ 2026-03-27 16:24:56
○ 2026-03-30 01:48:10
● 2017-03-30 06:53:36
○ 2026-03-27 16:24:56
○ 2026-03-30 01:48:10
○NSns3.8hy.cn2016-09-10 → 2016-09-10 · 4 obs
○ 2015-04-30 11:59:00
● 2016-09-10 17:14:32
○ 2017-03-30 06:53:36
○ 2026-03-30 01:48:10
● 2016-09-10 17:14:32
○ 2017-03-30 06:53:36
○ 2026-03-30 01:48:10
○MXmx.ltop.cn2015-04-30 → 2017-03-30 · 4 obs
● 2015-04-30 11:59:00
● 2017-03-30 06:53:36
○ 2026-03-27 16:24:56
○ 2026-03-30 01:48:10
● 2017-03-30 06:53:36
○ 2026-03-27 16:24:56
○ 2026-03-30 01:48:10
●CNAMEoverdue.aliyun.com2026-03-27 → 2026-03-30 · 2 obs
● 2026-03-27 16:24:56
● 2026-03-30 01:48:10
● 2026-03-30 01:48:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, e.dns.cn, d.dns.cn, c.dns.cn... | - |
| ltop.cn | dns11.hichina.com, dns12.hichina.com | - |
✅ Authoritative Response
Server:120.76.107.41
NS records: dns11.hichina.com, dns12.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ltop.cn (unsigned zone)
⏱️ Timing
Total: 1899ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns11.hichina.com, dns12.hichina.com |
| CNAME | 1 | overdue.aliyun.com |
| SOA | 1 | dns11.hichina.com hostmaster.hichina.com |
Analysis
Hierarchy
The parent of mx.ltop.cn is ltop.cn.
IP Addresses
ltop.cn points to a single IP address: 170.33.12.185.
Other host names such as mwcs.cn, zmkb.cn, hghp.cn, ewem.cn and topoac.com share IPs with ltop.cn.