substack.dev - robtex.com
substack.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:a043🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::6815:99c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.9.156Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.160.67🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ali.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a3b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c03b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:203b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 108.162.192.59🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 172.64.32.59🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 173.245.58.59🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| NS | lee.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b81🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lee.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c181🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lee.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2181🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lee.ns.cloudflare.com | ||||||
| A | 108.162.193.129🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lee.ns.cloudflare.com | ||||||
| A | 172.64.33.129🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lee.ns.cloudflare.com | ||||||
| A | 173.245.59.129🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lee.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.9.156, 172.67.160.67 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:a043, 2606:4700:3031::6815:99c | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=17, name=cloudflare-ech.com | ||||||
| SOA | ali.ns.cloudflare.comdns@cloudflare.com serial=2414927268 | ||||||
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)
●NSali.ns.cloudflare.com2026-09-13 → 2026-09-15 · 2 obs
● 2026-09-15 13:58:18
●NSlee.ns.cloudflare.com2026-09-13 → 2026-09-15 · 2 obs
● 2026-09-15 13:58:18
●A104.21.9.1562026-09-13 → 2026-09-15 · 2 obs
● 2026-09-15 13:58:18
●A172.67.160.672026-09-13 → 2026-09-15 · 2 obs
● 2026-09-15 13:58:18
●A2606:4700:3030::ac43:a0432026-09-13 → 2026-09-15 · 2 obs
● 2026-09-15 13:58:18
●A2606:4700:3031::6815:99c2026-09-13 → 2026-09-15 · 2 obs
● 2026-09-15 13:58:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| substack.dev | ali.ns.cloudflare.com, lee.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.59
NS records: ali.ns.cloudflare.com, lee.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for substack.dev (unsigned zone)
⏱️ Timing
Total: 333ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.160.67, 104.21.9.156 |
| AAAA | 2 | 2606:4700:3030::ac43:a043, 2606:4700:3031::6815:99c |
| NS | 2 | ali.ns.cloudflare.com, lee.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ali.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
substack.dev directs to four IP numbers, which are 104.21.9.156, 172.67.160.67, 2606:4700:3030::ac43:a043 and 2606:4700:3031::6815:99c.
betika.cam, venatora.co.in, sureisquiet.com plus two other host names have IP numbers in common with substack.dev.
Name Servers
substack.dev has two authoritative name servers — ali.ns.cloudflare.com and lee.ns.cloudflare.com.
The name server configuration of substack.dev is shared with other domains, for instance mergedcode.dev, gpz.ru, eqiltd.services and two others.
The name servers of substack.dev overlap at least partially with those of other domains — among them elationprojects.com, newbankingtest.com, mezocaa.com and two more.
These name servers commonly appear alongside the name servers aarav.ns.cloudflare.com and galilea.ns.cloudflare.com.
Hosts with 6 IP addresses each:
ali.ns.cloudflare.com points to 108.162.192.59, 172.64.32.59, 173.245.58.59 and 3 other IP addresses.
lee.ns.cloudflare.com points to 108.162.193.129, 172.64.33.129, 173.245.59.129 and 3 other IP addresses.