cortexbuild.dev - dns.ninja
cortexbuild.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:8cfb🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:46f2🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.70.242Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.140.251🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | novalee.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26b6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | novalee.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2b6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | novalee.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22b6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | novalee.ns.cloudflare.com | ||||||
| A | 108.162.194.182🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | novalee.ns.cloudflare.com | ||||||
| A | 162.159.38.182Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | novalee.ns.cloudflare.com | ||||||
| A | 172.64.34.182🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | novalee.ns.cloudflare.com | ||||||
| NS | roman.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c67🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | roman.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c367🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | roman.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2367🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | roman.ns.cloudflare.com | ||||||
| A | 108.162.195.103🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | roman.ns.cloudflare.com | ||||||
| A | 162.159.44.103Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | roman.ns.cloudflare.com | ||||||
| A | 172.64.35.103🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | roman.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.70.242, 172.67.140.251 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:8cfb, 2606:4700:3035::6815:46f2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=121, name=cloudflare-ech.com | ||||||
| SOA | novalee.ns.cloudflare.comdns@cloudflare.com serial=2415533863 | ||||||
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 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSnovalee.ns.cloudflare.com2026-09-24 → 2026-09-26 · 2 obs
● 2026-09-26 05:44:26
●NSroman.ns.cloudflare.com2026-09-24 → 2026-09-26 · 2 obs
● 2026-09-26 05:44:26
●A104.21.70.2422026-09-24 → 2026-09-26 · 2 obs
● 2026-09-26 05:44:26
●A172.67.140.2512026-09-24 → 2026-09-26 · 2 obs
● 2026-09-26 05:44:26
●A2606:4700:3032::ac43:8cfb2026-09-24 → 2026-09-26 · 2 obs
● 2026-09-26 05:44:26
●A2606:4700:3035::6815:46f22026-09-24 → 2026-09-26 · 2 obs
● 2026-09-26 05:44:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| cortexbuild.dev | roman.ns.cloudflare.com, novalee.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.103
NS records: roman.ns.cloudflare.com, novalee.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cortexbuild.dev (unsigned zone)
⏱️ Timing
Total: 1306ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.70.242, 172.67.140.251 |
| AAAA | 2 | 2606:4700:3032::ac43:8cfb, 2606:4700:3035::6815:46f2 |
| NS | 2 | novalee.ns.cloudflare.com, roman.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | novalee.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
cortexbuild.dev points to the four IP addresses 104.21.70.242, 172.67.140.251, 2606:4700:3032::ac43:8cfb and 2606:4700:3035::6815:46f2.
marketingblimps.com, blkparkcity.com, aruzico.com and two other host names share IP numbers with cortexbuild.dev.
Name Servers
cortexbuild.dev uses two name servers for its delegation: novalee.ns.cloudflare.com and roman.ns.cloudflare.com.
cortexbuild.dev uses the same name servers as several other domains — among them the-sprayground.com, mybillieshop.com, ttgzykrkskz7dyoe.workers.dev and two more.
There is at least partial name server overlap between cortexbuild.dev and other domains — laurenhaaron.pages.dev, rocketars030.com, joiniyk.com and two more among them.
The name servers molly.ns.cloudflare.com, jose.ns.cloudflare.com and jill.ns.cloudflare.com are often found in combination with these name servers.
Hostnames that resolve to 6 IP addresses:
Hostname novalee.ns.cloudflare.com directs to 108.162.194.182, 162.159.38.182 and 172.64.34.182 along with 3 other IP addresses.
Hostname roman.ns.cloudflare.com directs to 108.162.195.103, 162.159.44.103 and 172.64.35.103 along with 3 other IP addresses.