21app.cc - robtex.com
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21app.cc
| DNSSEC | ⚠️ Not signed | ||||||
| A | 120.79.20.122🇨🇳 ALIBABA-CN-NET | ||||||
| NS | dns9.hichina.com ⭐ | ||||||
| A | 2408:4009:501::17🇨🇳 ALIBABA-CN-NET | ||||||
| A | 39.96.153.42🇨🇳 ALIBABA-CN-NET | ||||||
| A | 39.96.153.52🇨🇳 ALIBABA-CN-NET | ||||||
| A | 47.118.199.202🇨🇳 ALIBABA-CN-NET | ||||||
| A | 47.118.199.212🇨🇳 ALIBABA-CN-NET | ||||||
| A | 120.76.107.42🇨🇳 ALIBABA-CN-NET | ||||||
| A | 120.76.107.52🇨🇳 ALIBABA-CN-NET | ||||||
| A | 139.224.142.112🇨🇳 ALIBABA-CN-NET | ||||||
| A | 139.224.142.122🇨🇳 ALIBABA-CN-NET | ||||||
| NS | dns10.hichina.com | ||||||
| A | 2408:4009:501::18🇨🇳 ALIBABA-CN-NET | ||||||
| A | 39.96.153.41🇨🇳 ALIBABA-CN-NET | ||||||
| A | 39.96.153.51🇨🇳 ALIBABA-CN-NET | ||||||
| A | 47.118.199.201🇨🇳 ALIBABA-CN-NET | ||||||
| A | 47.118.199.211🇨🇳 ALIBABA-CN-NET | ||||||
| A | 120.76.107.41🇨🇳 ALIBABA-CN-NET | ||||||
| A | 120.76.107.51🇨🇳 ALIBABA-CN-NET | ||||||
| A | 139.224.142.111🇨🇳 ALIBABA-CN-NET | ||||||
| A | 139.224.142.121🇨🇳 ALIBABA-CN-NET | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | dns9.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
cc
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1770688192 | ||||||
Same first word
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cc | ac4.nstld.com, ac1.nstld.com, ac2.nstld.com, ac3.nstld.com | - |
| 21app.cc | dns9.hichina.com, dns10.hichina.com | - |
✅ Authoritative Response
Server: 139.224.142.122
NS records: dns9.hichina.com, dns10.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21app.cc (unsigned zone)
⏱️ Timing
Total: 1176ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 120.79.20.122 |
| NS | 2 | dns9.hichina.com, dns10.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 | dns9.hichina.com hostmaster.hichina.com |
AI analysis
21app.cc maps to IP address 120.79.20.122.
Other host names, for instance 91jjw.com, ffiabm.top, ffiabf.top, capp.xin and capp.ren share IP numbers with 21app.cc.
Two name servers dns10.hichina.com and dns9.hichina.com are delegated to 21app.cc.
21app.cc uses the same name server configuration as other domains, such as perrymining.com, kelalianren.com, 2222110.net, ivhe.cn and cabr-fire.com.
21app.cc shares some name servers with other domains, for example cnfine-lighting.com.
Two hosts with nine IPs each:
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.
Host 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.
Two mail servers handle 21app.cc: mxbiz1.qq.com and mxbiz2.qq.com.
21app.cc shares the same mail server setup as other domains, including 0537ys.com, tedxnanjing.com, rcoreads123.org, axzt.net and cargoee.com.
21app.cc shares mail servers with other domains at least in part, for instance wodeev.com, scze.net, fszxyy.com, 51ad.com and yantaiyifang.com.