51ait.cn - robtex.com
51ait.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 8.147.108.145🇨🇳 Alibaba-Cloud8.147.64.0/18 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| NS | vip3.alidns.com ⭐ | ||||||
| A | 2408:4009:500::3🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group | ||||||
| A | 8.212.93.3🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 140.205.1.5🇨🇳 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 | 170.33.32.210🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.40.136🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.73.26🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.80.10🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| NS | vip4.alidns.com | ||||||
| A | 2408:4009:500::4🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group | ||||||
| A | 8.212.93.4🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 140.205.1.6🇨🇳 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 | 170.33.32.211🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.40.137🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.73.27🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 170.33.80.11🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| MX | mxn.mxhichina.com ⭐ | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | ip-47-246-137-47.defastlink.net | ||||||
| MX | mxw.mxhichina.com(10) | ||||||
| A | 47.246.99.195🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object | ||||||
| PTR | reachsmartdwell.com | ||||||
| TXT | v=spf1 include:spf.mxhichina.com -all | ||||||
| SOA | vip3.alidns.comhostmaster@hichina.com 2026-01-07 #16 | ||||||
cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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=2034456417 | ||||||
DNS History
7 records (5 active, 2 former)
○NSdns23.hichina.com2020-02-14 → 2020-02-14 · 2 obs
○ 2026-02-27 05:15:48
○NSdns24.hichina.com2020-02-14 → 2020-02-14 · 2 obs
○ 2026-02-27 05:15:48
●NSvip3.alidns.com2026-02-27 → 2026-02-27 · 2 obs
● 2026-02-27 05:15:48
●NSvip4.alidns.com2026-02-27 → 2026-02-27 · 2 obs
● 2026-02-27 05:15:48
●MXmxn.mxhichina.com2020-02-14 → 2026-02-27 · 2 obs
● 2026-02-27 05:15:48
●MXmxw.mxhichina.com2020-02-14 → 2026-02-27 · 2 obs
● 2026-02-27 05:15:48
●A8.147.108.1452026-02-27 → 2026-02-27 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | b.dns.cn, e.dns.cn, d.dns.cn, a.dns.cn... | - |
| 51ait.cn | vip3.alidns.com, vip4.alidns.com | - |
✅ Authoritative Response
Server: 170.33.80.10
NS records: vip3.alidns.com, vip4.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51ait.cn (unsigned zone)
⏱️ Timing
Total: 959ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 8.147.108.145 |
| NS | 2 | vip3.alidns.com, vip4.alidns.com |
| MX | 2 | mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com -all |
| SOA | 1 | vip3.alidns.com hostmaster.hichina.com |
AI analysis
51ait.cn points to an IP address: 8.147.108.145.
Two name servers vip3.alidns.com and vip4.alidns.com handle the delegation for 51ait.cn.
51ait.cn shares the same name server setup as other domains, for instance 36kr.com, newsxy.com, elangshen.com, kbstarchina.com and catl.com.
51ait.cn at least partially shares name servers with other domains, including gopayinc.com.cn and quanlue.com.cn.
Host names with seven IP numbers:
vip3.alidns.com points to 2408:4009:500::3, 8.212.93.3, 140.205.1.5, 170.33.32.210, 170.33.40.136, 170.33.73.26 and 170.33.80.10.
vip4.alidns.com points to 2408:4009:500::4, 8.212.93.4, 140.205.1.6, 170.33.32.211, 170.33.40.137, 170.33.73.27 and 170.33.80.11.
51ait.cn is handled by two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.
51ait.cn uses the same mail server setup as other domains, for instance junco.cc, chinayongyao.com, ikabo.cn, linkheer.com and ximiso.com.
51ait.cn shares at least partially some mail servers with other domains, for instance xinseo.net, 365tech.cn, coolmoon.cn, ziheinfo.com and wondershare.com.
Mail servers are commonly used alongside mxbiz1.qq.com, mxbiz2.qq.com and mx1.qiye.aliyun.com.
Host names with two IP numbers: mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.
Host names with one IP number: mxw.mxhichina.com points to 47.246.99.195.