sjcooling.cn - robtex.com
sjcooling.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.40.68.187🇨🇳 Alibaba-Cloud121.40.0.0/15 | ||||||
| NS | dns17.hichina.com ⭐ | ||||||
| A | 2408:4009:501::25🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.40🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.60🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.200🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.220🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.40🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.60🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.100🇨🇳 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 | 139.224.142.110🇨🇳 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 | dns18.hichina.com | ||||||
| A | 2408:4009:501::26🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.38🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.61🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.198🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.222🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.38🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.61🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.98🇨🇳 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 | 139.224.142.108🇨🇳 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, | ||||||
| SOA | dns17.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=2035077085 | ||||||
rank #6692 in the tld
Same first word
sjcooling.cn |
DNS History
4 records (3 active, 1 former)
●NSdns17.hichina.com2026-07-09 → 2026-07-23 · 2 obs
● 2026-07-23 00:53:48
●NSdns18.hichina.com2026-07-09 → 2026-07-23 · 2 obs
● 2026-07-23 00:53:48
●A121.40.68.1872026-07-09 → 2026-07-23 · 2 obs
● 2026-07-23 00:53:48
○A139.224.52.1132026-07-09 → 2026-07-23 · 2 obs
○ 2026-07-23 00:53:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, b.dns.cn, a.dns.cn, e.dns.cn... | - |
| sjcooling.cn | dns17.hichina.com, dns18.hichina.com | - |
✅ Authoritative Response
Server:47.118.199.200
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sjcooling.cn (unsigned zone)
⏱️ Timing
Total: 1200ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.40.68.187 |
| NS | 2 | dns18.hichina.com, dns17.hichina.com |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
sjcooling.cn resolves to just one IP address, 121.40.68.187.
Host names such as xindajs.com, www.wxrsly.com and wxrsly.com share their IP numbers with sjcooling.cn.
Name Servers
sjcooling.cn is served by two delegated name servers, dns17.hichina.com and dns18.hichina.com.
sjcooling.cn shares its NS records with other domains, for example ixxido.com, poly-pm.com, zzxkyj.com and two others.
sjcooling.cn shares at least some of its name servers with other domains, for example ngux.cn, wxmzy.com, xunjiage.com and 383t.cn.
These name servers tend to be deployed in combination with the name servers expirens3.hichina.com and expirens4.hichina.com.
DNS names with 9 IP addresses:
dns17.hichina.com carries IP addresses 39.96.153.40, 39.96.153.60 and 47.118.199.200, with 6 other addresses beyond those.
dns18.hichina.com carries IP addresses 39.96.153.38, 39.96.153.61 and 47.118.199.198, with 6 other addresses beyond those.