instructive.dev - dns.ninja
instructive.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix | ||||||
| NS | curitiba.ns.porkbun.com ⭐ | ||||||
| A | 2400:cb00:2049:1::adf5:3a25🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 173.245.58.37🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | fortaleza.ns.porkbun.com | ||||||
| A | 2400:cb00:2049:1::a29f:88c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.8.140Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | maceio.ns.porkbun.com | ||||||
| A | 2400:cb00:2049:1::a29f:bb4🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.11.180Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | salvador.ns.porkbun.com | ||||||
| A | 2400:cb00:2049:1::a29f:a96🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.10.150Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| TXT | google-site-verification=93wbjCrwXpHtLbZ8v9jZ5p16BJt9b3cl8FOVbIV9r7c | ||||||
| SOA | curitiba.ns.porkbun.comdns@cloudflare.com serial=2413166504 | ||||||
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
5 records (5 active, 0 former)
●NScuritiba.ns.porkbun.com2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-04 11:37:56
●NSfortaleza.ns.porkbun.com2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-04 11:37:56
●NSmaceio.ns.porkbun.com2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-04 11:37:56
●NSsalvador.ns.porkbun.com2026-09-02 → 2026-09-04 · 2 obs
● 2026-09-04 11:37:56
●A76.76.21.212026-09-02 → 2026-09-04 · 2 obs
● 2026-09-04 11:37:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| instructive.dev | salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com, curitiba.ns.porkbun.com | - |
✅ Authoritative Response
Server:162.159.8.140
NS records: salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com, curitiba.ns.porkbun.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for instructive.dev (unsigned zone)
⏱️ Timing
Total: 1031ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 76.76.21.21 |
| NS | 4 | curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com... |
| TXT | 1 | google-site-verification=93wbjCrwXpHtLbZ |
| SOA | 1 | curitiba.ns.porkbun.com dns.cloudflare.c |
Analysis
IP Addresses
instructive.dev resolves to just one IP address, 76.76.21.21.
Two other host names, along with hielodeldesierto.com, tiertune.com and damacpromotions.com, also share IP numbers with instructive.dev.
Name Servers
The NS records for instructive.dev point to four name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.
instructive.dev has at least partial name server overlap with other domains, such as yoink.design, abanetra-ediiciones.com, veriify.app and two others.
curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com all point to exactly two IP numbers each: curitiba.ns.porkbun.com → 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25; fortaleza.ns.porkbun.com → 162.159.8.140 and 2400:cb00:2049:1::a29f:88c; maceio.ns.porkbun.com → 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4; salvador.ns.porkbun.com → 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.