youdaoai.tech - robtex.com
youdaoai.tech
| DNSSEC | β οΈ Not signed | ||||||
| NS | dns3.hichina.com β | ||||||
| A | 2408:4009:501::11π¨π³ Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.43π¨π³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.63π¨π³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.203π¨π³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.213π¨π³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.43π¨π³ Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.63π¨π³ Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.113π¨π³ 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 | 139.224.142.123π¨π³ 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 | dns4.hichina.com | ||||||
| A | 2408:4009:501::12π¨π³ Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.44π¨π³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.54π¨π³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.204π¨π³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.214π¨π³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.44π¨π³ Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.54π¨π³ Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.114π¨π³ 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 | 139.224.142.124π¨π³ 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 | mx1.qiye.aliyun.com β | ||||||
| A | 47.246.137.47πΊπΈ Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| MX | mx2.qiye.aliyun.com(10) | ||||||
| A | 47.246.136.231πΊπΈ Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| MX | mx3.qiye.aliyun.com(15) | ||||||
| A | 47.246.146.58πΊπΈ Alibaba-Cloud47.246.146.0/24 Alibaba Cloud | ||||||
| A | 47.246.146.255πΊπΈ Alibaba-Cloud47.246.146.0/24 Alibaba Cloud | ||||||
| TXT | v=spf1 include:spf.qiye.aliyun.com -all | ||||||
| SOA | dns3.hichina.comhostmaster@hichina.com 2026-03-03 #11 | ||||||
tech
| DNSSEC | π Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com β | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1776011349 | ||||||
Same first word
DNS History
5 records (5 active, 0 former)
βNSdns3.hichina.com2026-04-02 β 2026-04-12 Β· 2 obs
β 2026-04-12 16:59:34
βNSdns4.hichina.com2026-04-02 β 2026-04-12 Β· 2 obs
β 2026-04-12 16:59:34
βMXmx1.qiye.aliyun.com2026-04-02 β 2026-04-12 Β· 2 obs
β 2026-04-12 16:59:34
βMXmx2.qiye.aliyun.com2026-04-02 β 2026-04-12 Β· 2 obs
β 2026-04-12 16:59:34
βMXmx3.qiye.aliyun.com2026-04-02 β 2026-04-12 Β· 2 obs
β 2026-04-12 16:59:34
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns01.trs-dns.net, ns10.trs-dns.info, ns01.trs-dns.com, ns10.trs-dns.org | 8 records |
| youdaoai.tech | dns4.hichina.com, dns3.hichina.com | - |
β Authoritative Response
Server:47.118.199.214
NS records: dns4.hichina.com, dns3.hichina.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for youdaoai.tech (unsigned zone)
β±οΈ Timing
Total: 1093ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns4.hichina.com, dns3.hichina.com |
| MX | 3 | mx2.qiye.aliyun.com (pri: 10), mx3.qiye.aliyun.com (pri: 15)... |
| TXT | 1 | v=spf1 include:spf.qiye.aliyun.com -all |
| SOA | 1 | dns3.hichina.com hostmaster.hichina.com |
π Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net...)
Analysis
Name Servers
youdaoai.tech is delegated to two name servers: dns3.hichina.com and dns4.hichina.com.
youdaoai.tech uses the same name server setup as other domains such as 15scsc.com, xzgj.net, broad-oceanmotor.com, baidu123.com and czsendo.com.
youdaoai.tech shares name servers with other domains at least partially, for example fobs.cn, leinei.com, wapcu.cn, eopen.cn and 5yml.com.
These name servers are commonly used together with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
dns3.hichina.com points to: 2408:4009:501::11, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.
dns4.hichina.com points to: 2408:4009:501::12, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.
Mail Servers
youdaoai.tech is served by three mail servers: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
youdaoai.tech shares mail servers with other domains at least partially; for instance winnermicro.com, moromoro.com, zhonghenb.com, tcserver.net and jtofit.com.
these mail servers are commonly used alongside mxn.mxhichina.com and mxw.mxhichina.com.
Host names with two IP numbers:
mx3.qiye.aliyun.com points to: 47.246.146.58 and 47.246.146.255.
Host names with one IP number:
mx1.qiye.aliyun.com points to: 47.246.137.47.
mx2.qiye.aliyun.com points to: 47.246.136.231.