optimweb.dev - robtex.com
optimweb.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:de5c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:5e69🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.94.105Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.222.92🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | george.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3ba7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | george.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1a7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | george.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21a7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | george.ns.cloudflare.com | ||||||
| A | 108.162.193.167🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | george.ns.cloudflare.com | ||||||
| A | 172.64.33.167🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | george.ns.cloudflare.com | ||||||
| A | 173.245.59.167🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | george.ns.cloudflare.com | ||||||
| NS | reza.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ad9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reza.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0d9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | reza.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20d9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | reza.ns.cloudflare.com | ||||||
| A | 108.162.192.217🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reza.ns.cloudflare.com | ||||||
| A | 172.64.32.217🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reza.ns.cloudflare.com | ||||||
| A | 173.245.58.217🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reza.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.94.105, 172.67.222.92 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:de5c, 2606:4700:3037::6815:5e69 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=215, name=cloudflare-ech.com | ||||||
| SOA | george.ns.cloudflare.comdns@cloudflare.com serial=2410950634 | ||||||
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 | ||||||
Subdomains
claude.optimweb.dev |
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSgeorge.ns.cloudflare.com2026-08-31 → 2026-08-31 · 2 obs
● 2026-08-31 11:42:56
●NSreza.ns.cloudflare.com2026-08-31 → 2026-08-31 · 2 obs
● 2026-08-31 11:42:56
●A104.21.94.1052026-08-31 → 2026-08-31 · 2 obs
● 2026-08-31 11:42:56
●A172.67.222.922026-08-31 → 2026-08-31 · 2 obs
● 2026-08-31 11:42:56
●A2606:4700:3034::ac43:de5c2026-08-31 → 2026-08-31 · 2 obs
● 2026-08-31 11:42:56
●A2606:4700:3037::6815:5e692026-08-31 → 2026-08-31 · 2 obs
● 2026-08-31 11:42:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | - |
| optimweb.dev | reza.ns.cloudflare.com, george.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.167
NS records: reza.ns.cloudflare.com, george.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimweb.dev (unsigned zone)
⏱️ Timing
Total: 738ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.94.105, 172.67.222.92 |
| AAAA | 2 | 2606:4700:3034::ac43:de5c, 2606:4700:3037::6815:5e69 |
| NS | 2 | george.ns.cloudflare.com, reza.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | george.ns.cloudflare.com dns.cloudflare. |
Analysis
Hierarchy
optimweb.dev serves as the parent of claude.optimweb.dev.
IP Addresses
optimweb.dev resolves to four IP addresses: 104.21.94.105, 172.67.222.92, 2606:4700:3034::ac43:de5c and 2606:4700:3037::6815:5e69.
Additional host names — fswydwzs.com, headless.hr, theworkcenter.org and two others — share IP numbers with optimweb.dev.
Name Servers
optimweb.dev uses two name servers for its delegation: george.ns.cloudflare.com and reza.ns.cloudflare.com.
optimweb.dev shares its name server setup with other domains, including medila.cz, ccr250.com, optimshop.cz and two others.
optimweb.dev has at least partial name server overlap with other domains, such as openrivertrail.sbs, zmpt.top, npturqe56dywx.workers.dev and two others.
It is common to find these name servers paired with the name servers ingrid.ns.cloudflare.com.
Host names with 6 IP numbers:
Hostname george.ns.cloudflare.com directs to 108.162.193.167, 172.64.33.167 and 173.245.59.167 along with 3 other IP addresses.
Hostname reza.ns.cloudflare.com directs to 108.162.192.217, 172.64.32.217 and 173.245.58.217 along with 3 other IP addresses.