substackapi.com - robtex.com
substackapi.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:84b1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::6815:505🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.5.5Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.132.177🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | gerardo.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2ce6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gerardo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3e6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | gerardo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23e6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | gerardo.ns.cloudflare.com | ||||||
| A | 108.162.195.230🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gerardo.ns.cloudflare.com | ||||||
| A | 162.159.44.230Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gerardo.ns.cloudflare.com | ||||||
| A | 172.64.35.230🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | gerardo.ns.cloudflare.com | ||||||
| NS | lilith.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:268f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lilith.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c28f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lilith.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:228f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lilith.ns.cloudflare.com | ||||||
| A | 108.162.194.143🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lilith.ns.cloudflare.com | ||||||
| A | 162.159.38.143Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lilith.ns.cloudflare.com | ||||||
| A | 172.64.34.143🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lilith.ns.cloudflare.com | ||||||
| TXT | google-site-verification=DsjoPCb1VuBsxtdeLjCn9izQ9u5aDbIbi_sH2zrJt84 | ||||||
| TXT | google-site-verification=KQ0wVbBlojDrgRoZ7D_P6ODVuRHKet2FcptFJZE1mL4 | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.5.5, 172.67.132.177 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:84b1, 2606:4700:3031::6815:505 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=151, name=cloudflare-ech.com | ||||||
| SOA | gerardo.ns.cloudflare.comdns@cloudflare.com serial=2401097914 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778469036 | ||||||
Subdomains
www.substackapi.com |
Same first word
substackapi.com |
DNS History
6 records (6 active, 0 former)
●NSgerardo.ns.cloudflare.com2026-03-15 → 2026-05-11 · 2 obs
● 2026-05-11 03:38:10
●NSlilith.ns.cloudflare.com2026-03-15 → 2026-05-11 · 2 obs
● 2026-05-11 03:38:10
●A104.21.5.52026-03-15 → 2026-05-11 · 2 obs
● 2026-05-11 03:38:10
●A172.67.132.1772026-03-15 → 2026-05-11 · 2 obs
● 2026-05-11 03:38:10
●A2606:4700:3030::ac43:84b12026-03-15 → 2026-05-11 · 2 obs
● 2026-05-11 03:38:10
●A2606:4700:3031::6815:5052026-03-15 → 2026-05-11 · 2 obs
● 2026-05-11 03:38:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net... | - |
| substackapi.com | lilith.ns.cloudflare.com, gerardo.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.230
NS records: lilith.ns.cloudflare.com, gerardo.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for substackapi.com (unsigned zone)
⏱️ Timing
Total: 147ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.132.177, 104.21.5.5 |
| AAAA | 2 | 2606:4700:3030::ac43:84b1, 2606:4700:3031::6815:505 |
| NS | 2 | gerardo.ns.cloudflare.com, lilith.ns.cloudflare.com |
| TXT | 2 | google-site-verification=DsjoPCb1VuBsxtd, google-site-verification=KQ0wVbBlojDrgRo |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | gerardo.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (lilith.ns.cloudflare.com, lilith.ns.cloudflare.com, lilith.ns.cloudflare.com...)
Analysis
Hierarchy
www.substackapi.com has substackapi.com as its parent.
IP Addresses
substackapi.com maps to four IP numbers: 2606:4700:3030::ac43:84b1, 2606:4700:3031::6815:505, 104.21.5.5 and 172.67.132.177.
Other host names, for instance avto-www.convidar.net, weihaijinshi.com, wuzexuan.com, rediban365.com and syphist.com share IP numbers with substackapi.com.
Name Servers
Two name servers gerardo.ns.cloudflare.com and lilith.ns.cloudflare.com are delegated to substackapi.com.
substackapi.com uses the same name server configuration as other domains, such as rjeagle.com, supascribe.com, maigro.org, maigrodigital.com and glennong.com.
substackapi.com at least partially shares name servers with other domains such as olebrook.cloud, otcdoxycycline.com, adrcrta.com, imh.cl and aurothanent.com.
these name servers are commonly used with the name servers rex.ns.cloudflare.com.
Host names with six IP numbers: Host name gerardo.ns.cloudflare.com points to 2606:4700:58::a29f:2ce6, 2803:f800:50::6ca2:c3e6, 2a06:98c1:50::ac40:23e6, 108.162.195.230, 162.159.44.230 and 172.64.35.230; host name lilith.ns.cloudflare.com points to 2606:4700:50::a29f:268f, 2803:f800:50::6ca2:c28f, 2a06:98c1:50::ac40:228f, 108.162.194.143, 162.159.38.143 and 172.64.34.143.