51istock.com - robtex.com
51istock.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 120.55.70.97🇨🇳 Alibaba-Cloud120.55.0.0/17 | ||||||
| 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 | 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 | ||||||
| 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 | vip1.alidns.comhostmaster@hichina.com 2026-06-04 #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=1784844637 | ||||||
Same first word
51istock.com |
DNS History
5 records (5 active, 0 former)
●NSvip1.alidns.com2016-12-15 → 2026-07-23 · 2 obs
● 2026-07-23 22:39:52
●NSvip2.alidns.com2016-12-15 → 2026-07-23 · 2 obs
● 2026-07-23 22:39:52
●MXmxn.mxhichina.com2016-12-15 → 2026-07-23 · 2 obs
● 2026-07-23 22:39:52
●MXmxw.mxhichina.com2016-12-15 → 2026-07-23 · 2 obs
● 2026-07-23 22:39:52
●A120.55.70.972016-12-15 → 2026-07-23 · 2 obs
● 2026-07-23 22:39:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 51istock.com | vip1.alidns.com, vip2.alidns.com | 20 records |
✅ Authoritative Response
Server:121.40.6.162
NS records: vip1.alidns.com, vip2.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 51istock.com (unsigned zone)
⏱️ Timing
Total: 719ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 120.55.70.97 |
| NS | 2 | vip2.alidns.com, vip1.alidns.com |
| MX | 2 | mxn.mxhichina.com (pri: 5), mxw.mxhichina.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com ~all |
| 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
51istock.com resolves to just one IP address, 120.55.70.97.
Name Servers
51istock.com has two authoritative name servers — vip1.alidns.com and vip2.alidns.com.
51istock.com shares its NS records with other domains, for example ssl-images-feb.com, 1dd.com, zsdwz.com and two others.
51istock.com shares at least some of its name servers with other domains, including lovengame.com, gameale.com, jaadee.net and two others.
These name servers are frequently paired with the name servers vip3.alidns.com and vip4.alidns.com.
DNS names with 6 IP addresses:
vip1.alidns.com points to 8.212.93.1, 140.205.1.1, 170.33.32.208 and 3 other IP addresses.
vip2.alidns.com points to 8.212.93.2, 140.205.1.2, 170.33.32.209 and 3 other IP addresses.
Mail Servers
51istock.com is served by two mail servers, mxn.mxhichina.com and mxw.mxhichina.com.
Among the domains sharing a mail server setup with 51istock.com are hn777.com.cn, daxiangqiji.com, coxious.com and two others.
There is at least a partial MX overlap between 51istock.com and other domains, including tensense.com.cn, cgckd.com, aotchina.com and two others.
mx1.qiye.aliyun.com, mx2.qiye.aliyun.com, mx3.qiye.aliyun.com and mxdomain.qq.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
mxn.mxhichina.com resolves to 47.246.136.231 and 47.246.137.47.
Host names that point to one IP address:
mxw.mxhichina.com resolves to 47.246.99.195.