zkthink.com - robtex.com
zkthink.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 47.107.28.149🇨🇳 Alibaba-Cloud47.107.0.0/16 | ||||||
| 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 | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| SOA | vip1.alidns.comhostmaster@hichina.com 2025-12-11 #12 | ||||||
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=1777217266 | ||||||
Same first word
zkthink.com |
DNS History
6 records (5 active, 1 former)
●NSvip1.alidns.com2019-12-14 → 2026-04-26 · 2 obs
● 2026-04-26 15:43:48
●NSvip2.alidns.com2019-12-14 → 2026-04-26 · 2 obs
● 2026-04-26 15:43:48
○A39.108.68.792019-12-14 → 2019-12-14 · 2 obs
○ 2026-04-26 15:43:48
●A47.107.28.1492026-04-26 → 2026-04-26 · 2 obs
● 2026-04-26 15:43:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| zkthink.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 zkthink.com (unsigned zone)
⏱️ Timing
Total: 3304ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.107.28.149 |
| NS | 2 | vip1.alidns.com, vip2.alidns.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| 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
IP Addresses
zkthink.com resolves to a single IP: 47.107.28.149.
Name Servers
zkthink.com has two name servers: vip1.alidns.com and vip2.alidns.com.
zkthink.com shares the same name server setup as other domains, for example daiyanbao.com, english1v1.com, qq4q.com, meikankeji.com and maigoo.com.
zkthink.com shares some name servers with other domains, for example kxnrl.com, shpri.com.cn, staticszh.com, 78ya.top and tsingoal.com.
These name servers are commonly used together with vip3.alidns.com and vip4.alidns.com.
Host names with six IP numbers: 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; 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.
Mail Servers
zkthink.com is served by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
zkthink.com shares the mail server setup with other domains, for example shsaichi.cn, pudongweikang.com, htchina.net, 777hai.com and xzrschool.com.
zkthink.com shares some mail servers with other domains, at least partially; for instance zh-yk.com, wanguo.net, ucsensor.com, shunt-h5-fy06bjb1.wdfangyi.com and rainto.com.