stepsci.dev - robtex.com
stepsci.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:c3b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::ac43:c1b4🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.12.59Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.193.180🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dara.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a5b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dara.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c05b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dara.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:205b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dara.ns.cloudflare.com | ||||||
| A | 108.162.192.91🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dara.ns.cloudflare.com | ||||||
| A | 172.64.32.91🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dara.ns.cloudflare.com | ||||||
| A | 173.245.58.91🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dara.ns.cloudflare.com | ||||||
| NS | guy.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bad🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | guy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1ad🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | guy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21ad🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | guy.ns.cloudflare.com | ||||||
| A | 108.162.193.173🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | guy.ns.cloudflare.com | ||||||
| A | 172.64.33.173🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | guy.ns.cloudflare.com | ||||||
| A | 173.245.59.173🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | guy.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.12.59, 172.67.193.180 | ||||||
| IPv6 hints | 2606:4700:3031::6815:c3b, 2606:4700:3032::ac43:c1b4 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=115, name=cloudflare-ech.com | ||||||
| SOA | dara.ns.cloudflare.comdns@cloudflare.com serial=2411940828 | ||||||
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)
●NSdara.ns.cloudflare.com2026-08-16 → 2026-08-25 · 2 obs
● 2026-08-25 04:29:58
●NSguy.ns.cloudflare.com2026-08-16 → 2026-08-25 · 2 obs
● 2026-08-25 04:29:58
●A104.21.12.592026-08-16 → 2026-08-25 · 2 obs
● 2026-08-25 04:29:58
●A172.67.193.1802026-08-16 → 2026-08-25 · 2 obs
● 2026-08-25 04:29:58
●A2606:4700:3031::6815:c3b2026-08-16 → 2026-08-25 · 2 obs
● 2026-08-25 04:29:58
●A2606:4700:3032::ac43:c1b42026-08-16 → 2026-08-25 · 2 obs
● 2026-08-25 04:29:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com... | 10 records |
| stepsci.dev | guy.ns.cloudflare.com, dara.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.173
NS records: guy.ns.cloudflare.com, dara.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stepsci.dev (unsigned zone)
⏱️ Timing
Total: 725ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.12.59, 172.67.193.180 |
| AAAA | 2 | 2606:4700:3031::6815:c3b, 2606:4700:3032::ac43:c1b4 |
| NS | 2 | dara.ns.cloudflare.com, guy.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dara.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
stepsci.dev directs to four IP numbers, which are 104.21.12.59, 172.67.193.180, 2606:4700:3031::6815:c3b and 2606:4700:3032::ac43:c1b4.
Additional host names — www.jupmarkets.biz, atnode.ai, adopslatam.cl and two others — share IP numbers with stepsci.dev.
Name Servers
stepsci.dev uses two name servers for its delegation: dara.ns.cloudflare.com and guy.ns.cloudflare.com.
stepsci.dev shares its name server setup with other domains, including jtarchie.com, herdinoclaude.workers.dev, whereto.ski and two others.
At least some of stepsci.dev's name servers are shared with other domains, for example brettkyle.co, pwg.gr, ols.wtf and two more.
These name servers tend to be deployed in combination with the name servers junade.ns.cloudflare.com and walt.ns.cloudflare.com.
Host names with 6 IP numbers:
Hostname dara.ns.cloudflare.com directs to 108.162.192.91, 172.64.32.91 and 173.245.58.91 along with 3 other IP addresses.
Hostname guy.ns.cloudflare.com directs to 108.162.193.173, 172.64.33.173 and 173.245.59.173 along with 3 other IP addresses.