polytech.com.cn - dns.ninja
polytech.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 121.41.6.95🇨🇳 Alibaba-Cloud121.40.0.0/15 | ||||||
| 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 | hzmx01.mxmail.netease.com ⭐ | ||||||
| A | 8.209.70.223🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 8.209.88.255🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| MX | hzmx02.mxmail.netease.com(10) | ||||||
| A | 8.209.70.223🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| A | 8.209.88.255🇩🇪 Alibaba-Cloud8.209.64.0/19 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811 | ||||||
| TXT | v=spf1 include:spf.qiye.163.com -all | ||||||
| SOA | vip1.alidns.comhostmaster@hichina.com 2026-06-02 #16 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | c.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | cns.cernet.net ⚠️ Not in parent delegation | ||||||
| NS | d.dns.cn ⚠️ Not in parent delegation | ||||||
| NS | e.dns.cn ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2030722954 | ||||||
Same first word
Similar names
techpoly.co.jp |
techploy.com |
pylotech.com |
phytocel.com |
techoply.com |
plyotech.com |
ploytech.com |
ploytech.cn |
techpoly.com |
ploytech.click |
DNS History
5 records (5 active, 0 former)
●NSvip1.alidns.com2026-05-26 → 2026-08-03 · 2 obs
● 2026-08-03 09:53:24
●NSvip2.alidns.com2026-05-26 → 2026-08-03 · 2 obs
● 2026-08-03 09:53:24
●MXhzmx01.mxmail.netease.com2026-05-26 → 2026-08-03 · 2 obs
● 2026-08-03 09:53:24
●MXhzmx02.mxmail.netease.com2026-05-26 → 2026-08-03 · 2 obs
● 2026-08-03 09:53:24
●A121.41.6.952026-05-26 → 2026-08-03 · 2 obs
● 2026-08-03 09:53:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| polytech.com.cn | vip1.alidns.com, vip2.alidns.com | - |
✅ Authoritative Response
Server:140.205.1.1
NS records: vip1.alidns.com, vip2.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polytech.com.cn (unsigned zone)
⏱️ Timing
Total: 1631ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.41.6.95 |
| NS | 2 | vip1.alidns.com, vip2.alidns.com |
| MX | 2 | hzmx01.mxmail.netease.com (pri: 5), hzmx02.mxmail.netease.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.qiye.163.com -all |
| SOA | 1 | vip1.alidns.com hostmaster.hichina.com |
Analysis
IP Addresses
polytech.com.cn resolves to one IP address: 121.41.6.95.
Other host names, among them huikangtech.com.cn and huikangtech.com, have IP numbers in common with polytech.com.cn.
Name Servers
The NS records for polytech.com.cn delegate to vip1.alidns.com and vip2.alidns.com.
polytech.com.cn uses the same name servers as several other domains — among them fsrpg.net, mcneko.com, dc-ii.com and two more.
polytech.com.cn shares at least some of its name servers with other domains, for example mzchn.net, best-inc.com, ldnews.cn and xinheyun.com.
These name servers tend to be deployed in combination with the name servers vip3.alidns.com and vip4.alidns.com.
Hostnames that resolve to 6 IP addresses:
vip1.alidns.com maps to 8.212.93.1, 140.205.1.1, 170.33.32.208 and 3 additional IP addresses.
vip2.alidns.com maps to 8.212.93.2, 140.205.1.2, 170.33.32.209 and 3 additional IP addresses.
Mail Servers
Mail for polytech.com.cn is handled by two mail servers — hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com.
polytech.com.cn uses an identical mail server configuration to several other domains — among them huayuanlbj.com, hkram.com, ldxy.edu.cn and two more.
polytech.com.cn overlaps on mail servers with certain other domains, shzq.edu.cn among them.
hzmx01.mxmail.netease.com has IP addresses 8.209.70.223 and 8.209.88.255; hzmx02.mxmail.netease.com has the same IP addresses: 8.209.70.223 and 8.209.88.255.
hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com each have 8.209.70.223 IP addresses.
hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com each have 8.209.88.255 IP addresses.