polytech.com.cn - robtex.com
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 | 47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| A | 47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| MX | hzmx02.mxmail.netease.com(10) | ||||||
| A | 47.251.71.119🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| A | 47.251.84.126🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object | ||||||
| TXT | v=spf1 include:spf.qiye.163.com -all | ||||||
| SOA | vip1.alidns.comhostmaster@hichina.com 2025-12-11 #7 | ||||||
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=2030691573 | ||||||
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 → 2026-07-17 · 2 obs
● 2026-07-17 21:00:08
●NSvip2.alidns.com2026-05-26 → 2026-07-17 · 2 obs
● 2026-07-17 21:00:08
●MXhzmx01.mxmail.netease.com2026-05-26 → 2026-07-17 · 2 obs
● 2026-07-17 21:00:08
●MXhzmx02.mxmail.netease.com2026-05-26 → 2026-07-17 · 2 obs
● 2026-07-17 21:00:08
●A121.41.6.952026-05-26 → 2026-07-17 · 2 obs
● 2026-07-17 21:00:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, b.dns.cn, a.dns.cn, c.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: 1931ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.41.6.95 |
| NS | 2 | vip2.alidns.com, vip1.alidns.com |
| MX | 2 | hzmx02.mxmail.netease.com (pri: 10), hzmx01.mxmail.netease.com (pri: 5) |
| 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 hosts including huikangtech.com.cn, huikangtech.cn and huikangtech.com share IP addresses with polytech.com.cn.
Name Servers
polytech.com.cn is served by two delegated name servers, vip1.alidns.com and vip2.alidns.com.
polytech.com.cn uses the same name servers as several other domains — among them fsrpg.net, goodnight.com.cn, mcneko.com and two more.
polytech.com.cn has name servers in common with a number of other domains — mzchn.net, best-inc.com, ldnews.cn and xinheyun.com among them.
The name servers vip3.alidns.com, vip4.alidns.com and vip5.alidns.com are often found in combination with these name servers.
Hostnames that resolve to 6 IP addresses:
vip1.alidns.com carries IP addresses 8.212.93.1, 140.205.1.1 and 170.33.32.208, with 3 other addresses beyond those.
vip2.alidns.com carries IP addresses 8.212.93.2, 140.205.1.2 and 170.33.32.209, with 3 other addresses beyond those.
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, dualrays.com and two more.
polytech.com.cn and other domains — shzq.edu.cn for instance — share at least some mail servers.
The host names hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com both direct to 47.251.71.119 and 47.251.84.126.
These two host names — hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com — each point to 47.251.71.119 IP addresses.
These two host names — hzmx01.mxmail.netease.com and hzmx02.mxmail.netease.com — each point to 47.251.84.126 IP addresses.