ctsat.com - robtex.com
ctsat.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | vip1.alidns.com ⭐ | ||||||
| A | 2408:4009:500::1🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group | ||||||
| A | 8.212.93.1🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 140.205.1.1🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 170.33.32.208🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.73.24🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.80.8🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| NS | vip2.alidns.com | ||||||
| A | 2408:4009:500::2🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group | ||||||
| A | 8.212.93.2🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 140.205.1.2🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 170.33.32.209🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.73.25🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.80.9🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| TXT | 4eadd30d3d18601936640d18b041ec0abe5bafdcf35493453c6968fcdce9a4de | ||||||
| SOA | vip1.alidns.comhostmaster@hichina.com 2026-01-07 #16 | ||||||
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=1774482357 | ||||||
Same first word
Similar names
DNS History
5 records (2 active, 3 former)
○NSdns13.hichina.com2015-06-12 → 2017-07-09 · 4 obs
● 2017-07-09 12:38:48
○ 2026-03-18 10:53:18
○ 2026-03-25 23:55:06
○NSdns14.hichina.com2015-06-12 → 2017-07-09 · 4 obs
● 2017-07-09 12:38:48
○ 2026-03-18 10:53:18
○ 2026-03-25 23:55:06
●NSvip1.alidns.com2026-03-18 → 2026-03-25 · 3 obs
● 2026-03-18 10:53:18
● 2026-03-25 23:55:06
●NSvip2.alidns.com2026-03-18 → 2026-03-25 · 3 obs
● 2026-03-18 10:53:18
● 2026-03-25 23:55:06
○A211.152.197.522015-06-12 → 2017-07-09 · 4 obs
● 2017-07-09 12:38:48
○ 2026-03-18 10:53:18
○ 2026-03-25 23:55:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ctsat.com | vip1.alidns.com, vip2.alidns.com | 20 records |
✅ Authoritative Response
Server:121.40.6.161
NS records: vip1.alidns.com, vip2.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ctsat.com (unsigned zone)
⏱️ Timing
Total: 487ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | vip1.alidns.com, vip2.alidns.com |
| TXT | 1 | 4eadd30d3d18601936640d18b041ec0abe5bafdc |
| SOA | 1 | vip1.alidns.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 20
Out-of-bailiwick: 20 (vip1.alidns.com, vip1.alidns.com, vip1.alidns.com...)
Analysis
Name Servers
ctsat.com is delegated to two name servers vip1.alidns.com and vip2.alidns.com.
ctsat.com shares the same name server setup as other domains, for instance 9066.cc, 65308.com, szalive.com, jsbc.com and china-coke.com.cn.
ctsat.com at least partially shares name servers with other domains, for instance duoxiaojh.com.cn, nfshscyz.com, xcsc.com, 91hiwork.com and ozss.com.
these name servers are often used together with vip3.alidns.com, vip4.alidns.com, f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.
Host names with six IP numbers:
Host name vip1.alidns.com points to: 2408:4009:500::1, 8.212.93.1, 140.205.1.1, 170.33.32.208, 170.33.73.24 and 170.33.80.8.
Host name vip2.alidns.com points to: 2408:4009:500::2, 8.212.93.2, 140.205.1.2, 170.33.32.209, 170.33.73.25 and 170.33.80.9.