cooler-tech.com - robtex.com
cooler-tech.com
| CNAME | u8d8u99.aliyun10.dns4.cn | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.92.0.77🇨🇳 Alibaba-Cloud47.92.0.0/15 CT BeiJing IDC | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774682437 | ||||||
Same first word
cooler-tech.com |
DNS History
4 records (3 active, 1 former)
●NSdns31.hichina.com2026-03-28 → 2026-03-28 · 1 obs
● 2026-03-28 07:39:50
●NSdns32.hichina.com2026-03-28 → 2026-03-28 · 1 obs
● 2026-03-28 07:39:50
○A172.247.70.662017-09-17 → 2017-09-17 · 2 obs
● 2017-09-17 16:34:50
○ 2026-03-28 07:39:50
○ 2026-03-28 07:39:50
●CNAMEu8d8u99.aliyun10.dns4.cn2026-03-28 → 2026-03-28 · 1 obs
● 2026-03-28 07:39:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cooler-tech.com | dns31.hichina.com, dns32.hichina.com | 18 records |
✅ Authoritative Response
Server:2408:4009:501::40
NS records: dns31.hichina.com, dns32.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cooler-tech.com (unsigned zone)
⏱️ Timing
Total: 2548ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns32.hichina.com, dns31.hichina.com |
| CNAME | 1 | u8d8u99.aliyun10.dns4.cn |
| SOA | 1 | dns31.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns31.hichina.com, dns31.hichina.com, dns31.hichina.com...)
Analysis
IP Addresses
cooler-tech.com points to a single IP: 47.92.0.77.
Other host names, for instance ddc9u8.aliyun13.dns4.cn, m8d8fmu.aliyun10.dns4.cn, c8aaeuu.aliyun13.dns4.cn, f8a8mu5.aliyun13.dns4.cn and ue585f.aliyun10.dns4.cn share IP numbers with cooler-tech.com.