stackcost.dev - robtex.com
stackcost.dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2606:4700:3033::6815:11fc🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:b2f4🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.17.252Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.178.244🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | brad.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b69🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brad.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c169🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | brad.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2169🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | brad.ns.cloudflare.com | ||||||
| A | 108.162.193.105🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brad.ns.cloudflare.com | ||||||
| A | 172.64.33.105🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brad.ns.cloudflare.com | ||||||
| A | 173.245.59.105🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | brad.ns.cloudflare.com | ||||||
| NS | olivia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26dd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | olivia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2dd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | olivia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22dd🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | olivia.ns.cloudflare.com | ||||||
| A | 108.162.194.221🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | olivia.ns.cloudflare.com | ||||||
| A | 162.159.38.221Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | olivia.ns.cloudflare.com | ||||||
| A | 172.64.34.221🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | olivia.ns.cloudflare.com | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.17.252, 172.67.178.244 | ||||||
| IPv6 hints | 2606:4700:3033::6815:11fc, 2606:4700:3033::ac43:b2f4 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=115, name=cloudflare-ech.com | ||||||
| SOA | brad.ns.cloudflare.comdns@cloudflare.com serial=2414569585 | ||||||
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
10 records (6 active, 4 former)
●NSbrad.ns.cloudflare.com2026-09-13 → 2026-09-14 · 2 obs
● 2026-09-14 16:22:32
●NSolivia.ns.cloudflare.com2026-09-13 → 2026-09-14 · 2 obs
● 2026-09-14 16:22:32
●A104.21.17.2522026-09-14 → 2026-09-14 · 3 obs
● 2026-09-14 03:33:22
● 2026-09-14 16:22:32
●A172.67.178.2442026-09-14 → 2026-09-14 · 3 obs
● 2026-09-14 03:33:22
● 2026-09-14 16:22:32
○A188.114.96.42026-09-13 → 2026-09-13 · 3 obs
○ 2026-09-14 03:33:22
○ 2026-09-14 16:22:32
○A188.114.97.42026-09-13 → 2026-09-13 · 3 obs
○ 2026-09-14 03:33:22
○ 2026-09-14 16:22:32
●A2606:4700:3033::6815:11fc2026-09-14 → 2026-09-14 · 3 obs
● 2026-09-14 03:33:22
● 2026-09-14 16:22:32
●A2606:4700:3033::ac43:b2f42026-09-14 → 2026-09-14 · 3 obs
● 2026-09-14 03:33:22
● 2026-09-14 16:22:32
○A2a06:98c1:3120::2026-09-13 → 2026-09-13 · 3 obs
○ 2026-09-14 03:33:22
○ 2026-09-14 16:22:32
○A2a06:98c1:3121::2026-09-13 → 2026-09-13 · 3 obs
○ 2026-09-14 03:33:22
○ 2026-09-14 16:22:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | - |
| stackcost.dev | olivia.ns.cloudflare.com, brad.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.221
NS records: olivia.ns.cloudflare.com, brad.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 975ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.17.252, 172.67.178.244 |
| AAAA | 2 | 2606:4700:3033::ac43:b2f4, 2606:4700:3033::6815:11fc |
| NS | 2 | brad.ns.cloudflare.com, olivia.ns.cloudflare.com |
| TXT | 1 | v=spf1 -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | brad.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
stackcost.dev has four IP addresses: 104.21.17.252, 172.67.178.244, 2606:4700:3033::6815:11fc and 2606:4700:3033::ac43:b2f4.
Additional host names — cecbr.com.br, stels1.com, astroanswerapp.com and two others — share IP numbers with stackcost.dev.
Name Servers
stackcost.dev uses two name servers for its delegation: brad.ns.cloudflare.com and olivia.ns.cloudflare.com.
stackcost.dev shares its name server setup with other domains, including allie0853yrd.workers.dev, wci-reboot-108.pages.dev, nuria-web.pages.dev and two others.
stackcost.dev partially shares its NS delegation with several other domains, including fishgames87.pages.dev, edge-96aec520.pages.dev, yonghi1209.top and two others.
These name servers regularly co-occur with the name servers peyton.ns.cloudflare.com, serenity.ns.cloudflare.com and pranab.ns.cloudflare.com.
Host names with 6 IP numbers:
Hostname brad.ns.cloudflare.com directs to 108.162.193.105, 172.64.33.105 and 173.245.59.105 along with 3 other IP addresses.
Hostname olivia.ns.cloudflare.com directs to 108.162.194.221, 162.159.38.221 and 172.64.34.221 along with 3 other IP addresses.