youadao.com - robtex.com

youadao.com

DNSSEC⚠️ Not signed
A2606:4700:3036::ac43:98bb🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3893🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.147Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.187🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSteagan.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26ae🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRteagan.ns.cloudflare.com
A2803:f800:50::6ca2:c2ae🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRteagan.ns.cloudflare.com
A2a06:98c1:50::ac40:22ae🇺🇸 Cloudflare2a06:98c1:50::/45
PTRteagan.ns.cloudflare.com
A108.162.194.174🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRteagan.ns.cloudflare.com
A162.159.38.174Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRteagan.ns.cloudflare.com
A172.64.34.174🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRteagan.ns.cloudflare.com
NStony.ns.cloudflare.com
A2606:4700:58::adf5:3bf0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtony.ns.cloudflare.com
A2803:f800:50::6ca2:c1f0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtony.ns.cloudflare.com
A2a06:98c1:50::ac40:21f0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtony.ns.cloudflare.com
A108.162.193.240🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtony.ns.cloudflare.com
A172.64.33.240🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtony.ns.cloudflare.com
A173.245.59.240🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtony.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.56.147, 172.67.152.187
IPv6 hints2606:4700:3036::ac43:98bb, 2606:4700:3037::6815:3893
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOAteagan.ns.cloudflare.comdns@cloudflare.com serial=2401403085

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1777257721
⚠️ On DNS blocklist: multi, pro, pro.plus, tif, ultimate

Subdomains

www.youadao.com

Same first word

youadao.com

Similar names

youdaoa.cn

DNS History

10 records (6 active, 4 former)

NSteagan.ns.cloudflare.comtony.ns.cloudflare.comA104.21.56.147172.67.152.1872606:4700:3036::ac43:98bb2606:4700:3037::6815:3893188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSteagan.ns.cloudflare.com2026-02-26 → 2026-04-27 · 2 obs
● 2026-02-26 20:53:18
● 2026-04-27 02:48:22
●NStony.ns.cloudflare.com2026-02-26 → 2026-04-27 · 2 obs
● 2026-02-26 20:53:18
● 2026-04-27 02:48:22
●A104.21.56.1472026-02-26 → 2026-04-27 · 3 obs
● 2026-02-26 20:53:18
○ 2026-03-11 07:59:28
● 2026-04-27 02:48:22
●A172.67.152.1872026-02-26 → 2026-04-27 · 3 obs
● 2026-02-26 20:53:18
○ 2026-03-11 07:59:28
● 2026-04-27 02:48:22
○A188.114.96.02026-03-11 → 2026-03-11 · 3 obs
○ 2026-02-26 20:53:18
● 2026-03-11 07:59:28
○ 2026-04-27 02:48:22
○A188.114.97.02026-03-11 → 2026-03-11 · 3 obs
○ 2026-02-26 20:53:18
● 2026-03-11 07:59:28
○ 2026-04-27 02:48:22
●A2606:4700:3036::ac43:98bb2026-02-26 → 2026-04-27 · 3 obs
● 2026-02-26 20:53:18
○ 2026-03-11 07:59:28
● 2026-04-27 02:48:22
●A2606:4700:3037::6815:38932026-02-26 → 2026-04-27 · 3 obs
● 2026-02-26 20:53:18
○ 2026-03-11 07:59:28
● 2026-04-27 02:48:22
○A2a06:98c1:3120::2026-03-11 → 2026-03-11 · 3 obs
○ 2026-02-26 20:53:18
● 2026-03-11 07:59:28
○ 2026-04-27 02:48:22
○A2a06:98c1:3121::2026-03-11 → 2026-03-11 · 3 obs
○ 2026-02-26 20:53:18
● 2026-03-11 07:59:28
○ 2026-04-27 02:48:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net...-
youadao.comtony.ns.cloudflare.com, teagan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.174

NS records: tony.ns.cloudflare.com, teagan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for youadao.com (unsigned zone)

⏱️ Timing

Total: 337ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.152.187, 104.21.56.147
AAAA22606:4700:3036::ac43:98bb, 2606:4700:3037::6815:3893
NS2teagan.ns.cloudflare.com, tony.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1teagan.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (tony.ns.cloudflare.com, tony.ns.cloudflare.com, tony.ns.cloudflare.com...)

Analysis

Hierarchy

The parent of www.youadao.com is youadao.com.

IP Addresses

youadao.com maps to four IP numbers: 2606:4700:3036::ac43:98bb, 2606:4700:3037::6815:3893, 104.21.56.147 and 172.67.152.187.

Other host names, for instance techblog.co.nz, wordpattern.org, easychickpeasy.com, coinbasez.st and tangki4d2026.org share IP numbers with youadao.com.

Name Servers

Two name servers teagan.ns.cloudflare.com and tony.ns.cloudflare.com handle delegation for youadao.com.

youadao.com uses the same name server setup as other domains, for example mashreqcmsapi.com, thedirectorscut.ca, mashreq.pk, ebay-customer.com and mash.ae.

youadao.com partially shares name servers with other domains; examples include yourdentalguru.com, fina-consult.com, clubhouse-casino-au.com, sanjpianzaxianbofang.com.cn and furgongrad.ru.

These name servers commonly accompany samara.ns.cloudflare.com, amos.ns.cloudflare.com, carl.ns.cloudflare.com and jay.ns.cloudflare.com.

Host names with six IP numbers: teagan.ns.cloudflare.com points to: 2606:4700:50::a29f:26ae, 2803:f800:50::6ca2:c2ae, 2a06:98c1:50::ac40:22ae, 108.162.194.174, 162.159.38.174 and 172.64.34.174; tony.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf0, 2803:f800:50::6ca2:c1f0, 2a06:98c1:50::ac40:21f0, 108.162.193.240, 172.64.33.240 and 173.245.59.240.