youhuatech.com - robtex.com
youhuatech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.104.140.146🇨🇳 CHINANET-BACKBONE202.104.0.0/15 China Telecom Corporation | ||||||
| PTR | mail.youhuatech.com | ||||||
| NS | dns31.hichina.com ⭐ | ||||||
| A | 2408:4009:501::39🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.39🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.59🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.199🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.219🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.39🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.59🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.99🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.109🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | dns32.hichina.com | ||||||
| A | 2408:4009:501::40🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.37🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.62🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.197🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.221🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.37🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.62🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.102🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.107🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com(10) | ||||||
| TXT | v=spf1 include:spf.mail.qq.com ~all | ||||||
| SOA | dns31.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
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=1786847139 | ||||||
Same first word
youhuatech.cn |
youhuatech.com |
Similar names
DNS History
10 records (5 active, 5 former)
●NSdns31.hichina.com2015-06-20 → 2026-08-16 · 2 obs
● 2026-08-16 02:26:46
●NSdns32.hichina.com2015-06-20 → 2026-08-16 · 2 obs
● 2026-08-16 02:26:46
●MXmxbiz1.qq.com2026-05-20 → 2026-08-16 · 3 obs
● 2026-05-20 23:24:24
● 2026-08-16 02:26:46
●MXmxbiz2.qq.com2026-05-20 → 2026-08-16 · 3 obs
● 2026-05-20 23:24:24
● 2026-08-16 02:26:46
○MXmxn.mxhichina.com2015-06-20 → 2019-03-26 · 4 obs
● 2019-03-26 11:45:36
○ 2026-05-20 23:24:24
○ 2026-08-16 02:26:46
○MXmxw.mxhichina.com2015-06-20 → 2019-03-26 · 4 obs
● 2019-03-26 11:45:36
○ 2026-05-20 23:24:24
○ 2026-08-16 02:26:46
○A121.196.35.2512015-06-20 → 2016-05-02 · 4 obs
● 2016-05-02 22:12:52
○ 2017-01-14 04:58:10
○ 2026-08-16 02:26:46
○A121.201.65.1912019-03-26 → 2019-03-26 · 4 obs
● 2019-03-26 11:45:36
○ 2026-05-20 23:24:24
○ 2026-08-16 02:26:46
●A202.104.140.1462026-05-20 → 2026-08-16 · 3 obs
● 2026-05-20 23:24:24
● 2026-08-16 02:26:46
○A43.228.240.2452017-01-14 → 2017-01-14 · 4 obs
● 2017-01-14 04:58:10
○ 2019-03-26 11:45:36
○ 2026-08-16 02:26:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| youhuatech.com | dns31.hichina.com, dns32.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.39
NS records: dns31.hichina.com, dns32.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for youhuatech.com (unsigned zone)
⏱️ Timing
Total: 606ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.104.140.146 |
| NS | 2 | dns32.hichina.com, dns31.hichina.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | dns31.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns31.hichina.com, dns31.hichina.com, dns31.hichina.com...)
Analysis
IP Addresses
youhuatech.com resolves to one IP address: 202.104.140.146.
Name Servers
The NS records for youhuatech.com delegate to dns31.hichina.com and dns32.hichina.com.
youhuatech.com uses the same name servers as several other domains — among them prici.com.cn, 961.cn, tengzon.com and two more.
At least some of youhuatech.com's name servers are shared with other domains, for example wm-wj.com, daxinglassbottle.com, webscan.net.cn and two more.
These name servers are often deployed together with the name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
Hostnames that resolve to 9 IP addresses:
dns31.hichina.com maps to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 additional IP addresses.
dns32.hichina.com maps to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 additional IP addresses.
Mail Servers
Mail for youhuatech.com is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.
youhuatech.com uses an identical mail server configuration to several other domains — among them ean360.com, miniyuan.com, tonycandice.com and two more.
youhuatech.com has at least partial mail server overlap with other domains such as geteles.com, skscore.com, chtiger.com and two more.