cltools.cn - robtex.com
cltools.cn
| CNAME | 301.cdn300.cn | ||||||
| CNAME | forward301-tcp-51bcce23f7f482f7.elb.ap-east-1.amazonaws.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2406:da1e:a87:67ff:6f38:5690:328f:1b68🇨🇳 Amazon2406:da1e:800::/38 | ||||||
| A | 16.163.201.39🇭🇰 Amazon16.162.0.0/15 EC2 HKG Prefix | ||||||
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=2034665395 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSce1.xincache.com2026-03-18 → 2026-04-13 · 2 obs
● 2026-03-18 18:09:14
● 2026-04-13 08:00:02
● 2026-04-13 08:00:02
●NSce2.xincache.com2026-03-18 → 2026-04-13 · 2 obs
● 2026-03-18 18:09:14
● 2026-04-13 08:00:02
● 2026-04-13 08:00:02
●NSns11.xincache.com2026-03-18 → 2026-04-13 · 2 obs
● 2026-03-18 18:09:14
● 2026-04-13 08:00:02
● 2026-04-13 08:00:02
●MXhzmx01.mxmail.netease.com2026-03-18 → 2026-04-13 · 2 obs
● 2026-03-18 18:09:14
● 2026-04-13 08:00:02
● 2026-04-13 08:00:02
●MXhzmx02.mxmail.netease.com2026-03-18 → 2026-04-13 · 2 obs
● 2026-03-18 18:09:14
● 2026-04-13 08:00:02
● 2026-04-13 08:00:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn... | - |
| cltools.cn | ce1.xincache.com, ce2.xincache.com | - |
✅ Authoritative Response
Server:129.211.176.239
NS records: ce1.xincache.com, ce2.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cltools.cn (unsigned zone)
⏱️ Timing
Total: 4220ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ce1.xincache.com, ce2.xincache.com |
| MX | 2 | hzmx01.mxmail.netease.com (pri: 5), hzmx02.mxmail.netease.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.com -all |
| CNAME | 1 | 301.cdn300.cn |
| SOA | 1 | ns11.xincache.com ns12.xincache.com |
Analysis
IP Addresses
cltools.cn points to two IP numbers: 2406:da1e:a87:67ff:6f38:5690:328f:1b68 and 16.163.201.39.
Other host names such as forward301-tcp-51bcce23f7f482f7.elb.ap-east-1.amazonaws.com, olang.cn, hxqyda.com and ec2-16-163-201-39.ap-east-1.compute.amazonaws.com share IP numbers with cltools.cn.