youdaoai.tech - robtex.com

youdaoai.tech

DNSSEC⚠️ Not signed
NSdns3.hichina.com ⭐
A2408:4009:501::11πŸ‡¨πŸ‡³ Alibaba-Cloud2408:4009:501::/48
A39.96.153.43πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.63πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.203πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.213πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.43πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A120.76.107.63πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A139.224.142.113πŸ‡¨πŸ‡³ 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,
A139.224.142.123πŸ‡¨πŸ‡³ 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,
NSdns4.hichina.com
A2408:4009:501::12πŸ‡¨πŸ‡³ Alibaba-Cloud2408:4009:501::/48
A39.96.153.44πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.54πŸ‡¨πŸ‡³ Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.204πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.214πŸ‡¨πŸ‡³ Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.44πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A120.76.107.54πŸ‡¨πŸ‡³ Alibaba-Cloud120.76.0.0/17
A139.224.142.114πŸ‡¨πŸ‡³ 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,
A139.224.142.124πŸ‡¨πŸ‡³ 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,
MXmx1.qiye.aliyun.com ⭐
A47.246.137.47πŸ‡ΊπŸ‡Έ Alibaba-Cloud47.246.136.0/22 Alibaba CLoud
MXmx2.qiye.aliyun.com(10)
A47.246.136.231πŸ‡ΊπŸ‡Έ Alibaba-Cloud47.246.136.0/22 Alibaba CLoud
PTRcz-clare.com
PTRreachsmartdwell.com
PTRwevolt.tech
MXmx3.qiye.aliyun.com(15)
A47.246.146.58πŸ‡ΊπŸ‡Έ Alibaba-Cloud47.246.146.0/24 Alibaba Cloud
A47.246.146.255πŸ‡ΊπŸ‡Έ Alibaba-Cloud47.246.146.0/24 Alibaba Cloud
TXTv=spf1 include:spf.qiye.aliyun.com -all
SOAdns3.hichina.comhostmaster@hichina.com 2026-03-03 #11

tech

DNSSECπŸ”’ Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1776011349
⚠️ On DNS blocklist: tif

Same first word

DNS History

5 records (5 active, 0 former)

NSdns3.hichina.comdns4.hichina.comMXmx1.qiye.aliyun.commx2.qiye.aliyun.commx3.qiye.aliyun.com
●NSdns3.hichina.com2026-04-02 β†’ 2026-04-12 Β· 2 obs
● 2026-04-02 09:17:34
● 2026-04-12 16:59:34
●NSdns4.hichina.com2026-04-02 β†’ 2026-04-12 Β· 2 obs
● 2026-04-02 09:17:34
● 2026-04-12 16:59:34
●MXmx1.qiye.aliyun.com2026-04-02 β†’ 2026-04-12 Β· 2 obs
● 2026-04-02 09:17:34
● 2026-04-12 16:59:34
●MXmx2.qiye.aliyun.com2026-04-02 β†’ 2026-04-12 Β· 2 obs
● 2026-04-02 09:17:34
● 2026-04-12 16:59:34
●MXmx3.qiye.aliyun.com2026-04-02 β†’ 2026-04-12 Β· 2 obs
● 2026-04-02 09:17:34
● 2026-04-12 16:59:34

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
techns01.trs-dns.net, ns10.trs-dns.info, ns01.trs-dns.com, ns10.trs-dns.org8 records
youdaoai.techdns4.hichina.com, dns3.hichina.com-

βœ… Authoritative Response

Server:47.118.199.214

NS records: dns4.hichina.com, dns3.hichina.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for youdaoai.tech (unsigned zone)

⏱️ Timing

Total: 1093ms | Queries: -

πŸ“„ Records

TypeCountSample Data
NS2dns4.hichina.com, dns3.hichina.com
MX3mx2.qiye.aliyun.com (pri: 10), mx3.qiye.aliyun.com (pri: 15)...
TXT1v=spf1 include:spf.qiye.aliyun.com -all
SOA1dns3.hichina.com hostmaster.hichina.com

πŸ“Œ 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.