linux520.com - robtex.com
linux520.com
| CNAME | overdue.aliyun.com | ||||||
| DNSSEC | ⚠️ Not signed | ||||||
| A | 170.33.12.185🇸🇬 Alibaba_Cloud_SEC170.33.12.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
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=1790451494 | ||||||
Subdomains
Same first word
Previous names
linux4real.com |
linux4sam.com |
linux4school.com |
linux4specialists.com |
linux4tech.com |
linux4u.com |
linux4us.com |
linux4you.com |
linux4yourhome.com |
linux50.com |
linux52.com |
Next names
DNS History
7 records (3 active, 4 former)
●NSdns17.hichina.com2026-03-15 → 2026-09-26 · 3 obs
○ 2016-11-08 07:36:04
● 2026-03-15 19:16:36
● 2026-09-26 19:50:00
● 2026-03-15 19:16:36
● 2026-09-26 19:50:00
●NSdns18.hichina.com2026-03-15 → 2026-09-26 · 3 obs
○ 2016-11-08 07:36:04
● 2026-03-15 19:16:36
● 2026-09-26 19:50:00
● 2026-03-15 19:16:36
● 2026-09-26 19:50:00
○NSns75.domaincontrol.com2015-08-14 → 2016-11-08 · 4 obs
● 2015-08-14 10:06:22
● 2016-11-08 07:36:04
○ 2026-03-15 19:16:36
○ 2026-09-26 19:50:00
● 2016-11-08 07:36:04
○ 2026-03-15 19:16:36
○ 2026-09-26 19:50:00
○NSns76.domaincontrol.com2015-08-14 → 2016-11-08 · 4 obs
● 2015-08-14 10:06:22
● 2016-11-08 07:36:04
○ 2026-03-15 19:16:36
○ 2026-09-26 19:50:00
● 2016-11-08 07:36:04
○ 2026-03-15 19:16:36
○ 2026-09-26 19:50:00
○MXmxdomain.qq.com2015-08-14 → 2016-11-08 · 4 obs
● 2015-08-14 10:06:22
● 2016-11-08 07:36:04
○ 2026-03-15 19:16:36
○ 2026-09-26 19:50:00
● 2016-11-08 07:36:04
○ 2026-03-15 19:16:36
○ 2026-09-26 19:50:00
○A106.185.25.372015-08-14 → 2016-11-08 · 4 obs
● 2015-08-14 10:06:22
● 2016-11-08 07:36:04
○ 2026-03-15 19:16:36
○ 2026-09-26 19:50:00
● 2016-11-08 07:36:04
○ 2026-03-15 19:16:36
○ 2026-09-26 19:50:00
●CNAMEoverdue.aliyun.com2026-03-15 → 2026-09-26 · 2 obs
● 2026-03-15 19:16:36
● 2026-09-26 19:50:00
● 2026-09-26 19:50:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net... | - |
| linux520.com | dns17.hichina.com, dns18.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.40
NS records: dns17.hichina.com, dns18.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linux520.com (unsigned zone)
⏱️ Timing
Total: 3534ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns17.hichina.com, dns18.hichina.com |
| CNAME | 1 | overdue.aliyun.com |
| SOA | 1 | dns17.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)
Analysis
Hierarchy
wxw.linux520.com and video.linux520.com each fall under linux520.com as their parent domain.
IP Addresses
linux520.com resolves to just one IP address, 170.33.12.185.
Two other host names, along with hddp.cn, labulac.top and kywlvxing.cn, also share IP numbers with linux520.com.