claude4.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

claude4.dev

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:d6c8🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5dd3🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.93.211Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.214.200🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjohn.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bb9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohn.ns.cloudflare.com
A2803:f800:50::6ca2:c1b9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjohn.ns.cloudflare.com
A2a06:98c1:50::ac40:21b9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjohn.ns.cloudflare.com
A108.162.193.185🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohn.ns.cloudflare.com
A172.64.33.185🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohn.ns.cloudflare.com
A173.245.59.185🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjohn.ns.cloudflare.com
NSkatja.ns.cloudflare.com
A2606:4700:50::a29f:2635🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatja.ns.cloudflare.com
A2803:f800:50::6ca2:c235🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkatja.ns.cloudflare.com
A2a06:98c1:50::ac40:2235🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkatja.ns.cloudflare.com
A108.162.194.53🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatja.ns.cloudflare.com
A162.159.38.53Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatja.ns.cloudflare.com
A172.64.34.53🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkatja.ns.cloudflare.com
TXTgoogle-site-verification=AdVpR8UAvaMmhjATyDW4byLZybUXl2x9SF1UWlaO8T0
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.93.211, 172.67.214.200
IPv6 hints2606:4700:3035::ac43:d6c8, 2606:4700:3037::6815:5dd3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=66, name=cloudflare-ech.com
SOAjohn.ns.cloudflare.comdns@cloudflare.com serial=2412109119

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Subdomains

www.claude4.dev
api.claude4.dev
proxy.claude4.dev

Same first word

claude4.org
claude4.pro
claude4.ggff.net
claude4.me
claude4.pages.dev
claude4.chat
claude4.discount
claude4.dev
claude4.us.com
claude4.net
claude4.com
claude4.ai

DNS History

6 records (6 active, 0 former)

NSjohn.ns.cloudflare.comkatja.ns.cloudflare.comA104.21.93.211172.67.214.2002606:4700:3035::ac43:d6c82606:4700:3037::6815:5dd3
●NSjohn.ns.cloudflare.com2026-08-11 → 2026-08-17 · 2 obs
● 2026-08-11 14:51:04
● 2026-08-17 14:36:48
●NSkatja.ns.cloudflare.com2026-08-11 → 2026-08-17 · 2 obs
● 2026-08-11 14:51:04
● 2026-08-17 14:36:48
●A104.21.93.2112026-08-11 → 2026-08-17 · 2 obs
● 2026-08-11 14:51:04
● 2026-08-17 14:36:48
●A172.67.214.2002026-08-11 → 2026-08-17 · 2 obs
● 2026-08-11 14:51:04
● 2026-08-17 14:36:48
●A2606:4700:3035::ac43:d6c82026-08-11 → 2026-08-17 · 2 obs
● 2026-08-11 14:51:04
● 2026-08-17 14:36:48
●A2606:4700:3037::6815:5dd32026-08-11 → 2026-08-17 · 2 obs
● 2026-08-11 14:51:04
● 2026-08-17 14:36:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
claude4.devkatja.ns.cloudflare.com, john.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.185

NS records: katja.ns.cloudflare.com, john.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for claude4.dev (unsigned zone)

⏱️ Timing

Total: 339ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.214.200, 104.21.93.211
AAAA22606:4700:3037::6815:5dd3, 2606:4700:3035::ac43:d6c8
NS2john.ns.cloudflare.com, katja.ns.cloudflare.com
TXT1google-site-verification=AdVpR8UAvaMmhjA
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1john.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

claude4.dev sits above www.claude4.dev, api.claude4.dev and proxy.claude4.dev in the domain hierarchy.

IP Addresses

claude4.dev points to the four IP addresses 104.21.93.211, 172.67.214.200, 2606:4700:3035::ac43:d6c8 and 2606:4700:3037::6815:5dd3.

Two other host names, along with pyndraget.pro, detoxificationabc.cf and dramasq.live, also share IP numbers with claude4.dev.

Name Servers

claude4.dev is delegated to two name servers: john.ns.cloudflare.com and katja.ns.cloudflare.com.

claude4.dev shares its NS records with other domains, for example nodeproxies.xyz, casinoo67.monster, casinogsh.study and two others.

There is at least partial name server overlap between claude4.dev and other domains — lemaymuseum.org, anourishingplate.com, 81ja.com and two more among them.

These name servers are routinely deployed together with the name servers princess.ns.cloudflare.com.

DNS names with 6 IP addresses:

john.ns.cloudflare.com resolves to 108.162.193.185, 172.64.33.185, 173.245.59.185 and 3 other IP addresses.

katja.ns.cloudflare.com resolves to 108.162.194.53, 162.159.38.53, 172.64.34.53 and 3 other IP addresses.