youdao-app.dev - robtex.com
youdao-app.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:1fdf🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:b407🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.31.223Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.180.7🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bristol.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:262f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bristol.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c22f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | bristol.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:222f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | bristol.ns.cloudflare.com | ||||||
| A | 108.162.194.47🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bristol.ns.cloudflare.com | ||||||
| A | 162.159.38.47Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bristol.ns.cloudflare.com | ||||||
| A | 172.64.34.47🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bristol.ns.cloudflare.com | ||||||
| NS | cesar.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c77🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cesar.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c377🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | cesar.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2377🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | cesar.ns.cloudflare.com | ||||||
| A | 108.162.195.119🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cesar.ns.cloudflare.com | ||||||
| A | 162.159.44.119Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cesar.ns.cloudflare.com | ||||||
| A | 172.64.35.119🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cesar.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.31.223, 172.67.180.7 | ||||||
| IPv6 hints | 2606:4700:3033::6815:1fdf, 2606:4700:3037::ac43:b407 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=8, name=cloudflare-ech.com | ||||||
| SOA | bristol.ns.cloudflare.comdns@cloudflare.com serial=2411081848 | ||||||
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
🔒 HSTS Preload (+subdomains)
Same first word
youdao-app.com |
youdao-app.dev |
youdao-app.org |
Similar names
DNS History
6 records (6 active, 0 former)
●NSbristol.ns.cloudflare.com2026-08-02 → 2026-08-09 · 2 obs
● 2026-08-09 18:31:34
●NScesar.ns.cloudflare.com2026-08-02 → 2026-08-09 · 2 obs
● 2026-08-09 18:31:34
●A104.21.31.2232026-08-02 → 2026-08-09 · 2 obs
● 2026-08-09 18:31:34
●A172.67.180.72026-08-02 → 2026-08-09 · 2 obs
● 2026-08-09 18:31:34
●A2606:4700:3033::6815:1fdf2026-08-02 → 2026-08-09 · 2 obs
● 2026-08-09 18:31:34
●A2606:4700:3037::ac43:b4072026-08-02 → 2026-08-09 · 2 obs
● 2026-08-09 18:31:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| youdao-app.dev | cesar.ns.cloudflare.com, bristol.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.119
NS records: cesar.ns.cloudflare.com, bristol.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for youdao-app.dev (unsigned zone)
⏱️ Timing
Total: 1815ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.31.223, 172.67.180.7 |
| AAAA | 2 | 2606:4700:3033::6815:1fdf, 2606:4700:3037::ac43:b407 |
| NS | 2 | bristol.ns.cloudflare.com, cesar.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | bristol.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
youdao-app.dev resolves to four IP addresses: 104.21.31.223, 172.67.180.7, 2606:4700:3033::6815:1fdf and 2606:4700:3037::ac43:b407.
Two other host names, along with deliverymasaji.com, thepcmdgazette.com.cdn.cloudflare.net and m.bets10vipadresleri.com, also share IP numbers with youdao-app.dev.
Name Servers
youdao-app.dev is served by two delegated name servers, bristol.ns.cloudflare.com and cesar.ns.cloudflare.com.
youdao-app.dev shares its NS records with other domains, for example altyazilihubal.cyou, turkce(0x706f726e)z.shop, spujah.com and two others.
youdao-app.dev shares at least some of its name servers with other domains, including sp.org, wyspyskarbow.pl, 123moviesfree.com.pl and two others.
These name servers are frequently paired with the name servers lewis.ns.cloudflare.com, hugh.ns.cloudflare.com and sydney.ns.cloudflare.com.
DNS names with 6 IP addresses:
bristol.ns.cloudflare.com carries IP addresses 108.162.194.47, 162.159.38.47 and 172.64.34.47, with 3 other addresses beyond those.
cesar.ns.cloudflare.com carries IP addresses 108.162.195.119, 162.159.44.119 and 172.64.35.119, with 3 other addresses beyond those.