insul.cn - robtex.com
insul.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 123.57.80.56🇨🇳 Alibaba-Cloud123.57.0.0/16 Alibaba (US) Technology Co., Ltd. | ||||||
| NS | dns9.hichina.com ⭐ | ||||||
| A | 2408:4009:501::17🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.112🇨🇳 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 | 139.224.142.122🇨🇳 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, | ||||||
| NS | dns10.hichina.com | ||||||
| A | 2408:4009:501::18🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.111🇨🇳 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 | 139.224.142.121🇨🇳 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 | mail.insul.cn ⭐ | ||||||
| A | 123.57.80.56🇨🇳 Alibaba-Cloud123.57.0.0/16 Alibaba (US) Technology Co., Ltd. | ||||||
| TXT | v=spf1 include:spf.mxhichina.com ~all | ||||||
| SOA | dns9.hichina.comhostmaster@hichina.com 2026-01-09 #13 | ||||||
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=2034660176 | ||||||
Subdomains
mail.insul.cn |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSdns10.hichina.com2017-01-01 → 2026-04-11 · 2 obs
● 2026-04-11 21:39:06
●NSdns9.hichina.com2017-01-01 → 2026-04-11 · 2 obs
● 2026-04-11 21:39:06
●MXmail.insul.cn2017-01-01 → 2026-04-11 · 2 obs
● 2026-04-11 21:39:06
●A123.57.80.562017-01-01 → 2026-04-11 · 2 obs
● 2026-04-11 21:39:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| insul.cn | dns9.hichina.com, dns10.hichina.com | - |
✅ Authoritative Response
Server:39.96.153.52
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for insul.cn (unsigned zone)
⏱️ Timing
Total: 1221ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 123.57.80.56 |
| NS | 2 | dns9.hichina.com, dns10.hichina.com |
| MX | 1 | mail.insul.cn (pri: 1) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com ~all |
| SOA | 1 | dns9.hichina.com hostmaster.hichina.com |
Analysis
Hierarchy
The parent of mail.insul.cn is insul.cn.
IP Addresses
insul.cn points to IP number: 123.57.80.56.
Other host names, for instance mail.insul.cn share IP numbers with insul.cn.
Name Servers
insul.cn is delegated to two name servers: dns10.hichina.com and dns9.hichina.com.
insul.cn shares the same name server setup as juqitech.com, hkoa.cn, ecmore.net, xmgo.cn and ewmsms.com.
insul.cn at least partially shares name servers with other domains, for instance ikedou.net, mijigui.net, jxmofang.com, ascot.cn and kekeqiqi.com.
These name servers are commonly used with expirens3.hichina.com and expirens4.hichina.com.
Nine IP numbers per host:
dns10.hichina.com points to: 2408:4009:501::18, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.
dns9.hichina.com points to: 2408:4009:501::17, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.
Mail Servers
insul.cn is handled by a single mail server, mail.insul.cn.
mail.insul.cn points to a single IP: 123.57.80.56.