ls51.cn - robtex.com
ls51.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 101.37.223.183🇨🇳 Alibaba-Cloud101.37.128.0/17 | ||||||
| NS | dns7.hichina.com ⭐ | ||||||
| NS | dns8.hichina.com | ||||||
| A | 2408:4009:501::16🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.44🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.54🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.204🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.214🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.44🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.54🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.114🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.124🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | dns7.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
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=2035066170 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSdns7.hichina.com2026-05-29 → 2026-07-20 · 3 obs
● 2026-05-29 10:31:58
● 2026-07-20 15:56:40
●NSdns8.hichina.com2026-05-29 → 2026-07-20 · 3 obs
● 2026-05-29 10:31:58
● 2026-07-20 15:56:40
○NSf1g1ns1.dnspod.net2015-07-12 → 2015-11-16 · 4 obs
● 2015-11-16 07:51:36
○ 2026-05-29 10:31:58
○ 2026-07-20 15:56:40
○NSf1g1ns2.dnspod.net2015-07-12 → 2015-11-16 · 4 obs
● 2015-11-16 07:51:36
○ 2026-05-29 10:31:58
○ 2026-07-20 15:56:40
●A101.37.223.1832026-05-29 → 2026-07-20 · 3 obs
● 2026-05-29 10:31:58
● 2026-07-20 15:56:40
○A68.64.164.202015-07-12 → 2015-11-16 · 4 obs
● 2015-11-16 07:51:36
○ 2026-05-29 10:31:58
○ 2026-07-20 15:56:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| ls51.cn | dns7.hichina.com, dns8.hichina.com | - |
✅ Authoritative Response
Server:120.76.107.44
NS records: dns7.hichina.com, dns8.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ls51.cn (unsigned zone)
⏱️ Timing
Total: 4474ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 101.37.223.183 |
| NS | 2 | dns7.hichina.com, dns8.hichina.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | dns7.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
ls51.cn points to a single IP number: 101.37.223.183.
Additional host names — dashi100.cn, ds-yb.cn, idashi.cn and two others — share IP numbers with ls51.cn.
Name Servers
The NS records for ls51.cn delegate to dns7.hichina.com and dns8.hichina.com.
ls51.cn shares its name server setup with other domains, including qic.cn, rujinhongbao.com, chaci.cc and two others.
The name servers of ls51.cn overlap at least partially with those of other domains — among them cloudke.com, lancel.cn, ewqcxz.com and two more.
These name servers commonly appear alongside the name servers expirens3.hichina.com and expirens4.hichina.com.
Host names with 9 IP numbers:
dns8.hichina.com maps to 39.96.153.44, 39.96.153.54, 47.118.199.204 and 6 additional IP addresses.
Mail Servers
ls51.cn has two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
ls51.cn shares the same mail server setup as other domains, including playhudong.com, yishexu.cn, 322workhouse.com and two others.
ls51.cn partially shares its mail servers with other domains — including ricsson-cn.com, zsit.cc, hi-jia.com and wapgoo.com.