qualtech.com.cn - robtex.com
qualtech.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com -all | ||||||
| SOA | vip3.alidns.comhostmaster@hichina.com 2018-04-22 #22 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
Same first word
qualtech.com.hk |
qualtech.pl |
qualtech.hk |
qualtech.com |
qualtech.com.cn |
qualtech.co.uk |
qualtech.net |
qualtech.ca |
qualtech.click |
qualtech.co.jp |
qualtech.com.au |
Similar names
DNS History
14 records (4 active, 10 former)
○NSdns21.hichina.com2026-05-03 → 2026-05-13 · 4 obs
● 2026-05-03 19:35:48
● 2026-05-13 16:59:40
○ 2026-08-03 05:03:10
○NSdns22.hichina.com2026-05-03 → 2026-05-13 · 4 obs
● 2026-05-03 19:35:48
● 2026-05-13 16:59:40
○ 2026-08-03 05:03:10
○NSns10.cdncenter.com2015-05-29 → 2018-09-28 · 4 obs
● 2018-09-28 09:25:22
○ 2026-05-03 19:35:48
○ 2026-08-03 05:03:10
○NSns11.cdncenter.com2015-05-29 → 2018-09-28 · 4 obs
● 2018-09-28 09:25:22
○ 2026-05-03 19:35:48
○ 2026-08-03 05:03:10
○NSns12.cdncenter.com2015-05-29 → 2018-09-28 · 4 obs
● 2018-09-28 09:25:22
○ 2026-05-03 19:35:48
○ 2026-08-03 05:03:10
○NSns7.cdncenter.com2015-05-29 → 2018-09-28 · 4 obs
● 2018-09-28 09:25:22
○ 2026-05-03 19:35:48
○ 2026-08-03 05:03:10
○NSns8.cdncenter.com2015-05-29 → 2018-09-28 · 4 obs
● 2018-09-28 09:25:22
○ 2026-05-03 19:35:48
○ 2026-08-03 05:03:10
○NSns9.cdncenter.com2015-05-29 → 2018-09-28 · 4 obs
● 2018-09-28 09:25:22
○ 2026-05-03 19:35:48
○ 2026-08-03 05:03:10
●NSvip3.alidns.com2026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 05:03:10
●NSvip4.alidns.com2026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 05:03:10
○A112.124.183.1362015-05-29 → 2017-01-09 · 4 obs
● 2017-01-09 13:40:12
○ 2018-09-28 09:25:22
○ 2026-08-03 05:03:10
○A121.42.83.862018-09-28 → 2018-09-28 · 4 obs
● 2018-09-28 09:25:22
○ 2026-05-03 19:35:48
○ 2026-08-03 05:03:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, e.dns.cn, b.dns.cn, d.dns.cn... | - |
| qualtech.com.cn | vip3.alidns.com, vip4.alidns.com | - |
✅ Authoritative Response
Server:170.33.80.11
NS records: vip3.alidns.com, vip4.alidns.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at cn: Error: DNS query timeout: 203.119.25.1 for DNSKEY cn
⏱️ Timing
Total: 4550ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | vip3.alidns.com, vip4.alidns.com |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com -all |
| SOA | 1 | vip3.alidns.com hostmaster.hichina.com |
Analysis
Name Servers
DNS delegation for qualtech.com.cn points to two name servers: vip3.alidns.com and vip4.alidns.com.
qualtech.com.cn uses the same name servers as several other domains — among them sensecore.cn, usfsoft.com, gotin.online and two more.
The name servers of qualtech.com.cn overlap at least partially with those of other domains — among them ottai.com, dogedoge.com, hundsun.com and two more.
These name servers commonly appear alongside the name servers vip1.alidns.com and vip2.alidns.com.
Hostnames that resolve to 7 IP addresses:
vip3.alidns.com has IP addresses 8.212.93.3, 140.205.1.5 and 170.33.32.210, plus 4 other.
vip4.alidns.com has IP addresses 8.212.93.4, 140.205.1.6 and 170.33.32.211, plus 4 other.
Mail Servers
Mail for qualtech.com.cn is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.
qualtech.com.cn uses an identical mail server configuration to several other domains — among them 0827ug.com, zcread.com, zohd.net and two more.
qualtech.com.cn has at least partial mail server overlap with other domains such as jiuye.gov.cn, csott.cn, fssocks.com and two more.