tutorial.express - robtex.com
tutorial.express
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.113.90.168🇩🇪 Microsoft20.64.0.0/10 | ||||||
| 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 | ||||||
| SOA | curitiba.ns.porkbun.comdns@cloudflare.com serial=2414044105 | ||||||
express
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.express ⭐ | ||||||
| NS | v0n1.nic.express | ||||||
| NS | v0n2.nic.express | ||||||
| NS | v0n3.nic.express | ||||||
| NS | v2n0.nic.express | ||||||
| NS | v2n1.nic.express | ||||||
| SOA | v0n0.nic.expresshostmaster@donuts.email serial=1789389222 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NScuritiba.ns.porkbun.com2026-09-09 → 2026-09-14 · 2 obs
● 2026-09-14 12:38:56
●NSfortaleza.ns.porkbun.com2026-09-09 → 2026-09-14 · 2 obs
● 2026-09-14 12:38:56
●NSmaceio.ns.porkbun.com2026-09-09 → 2026-09-14 · 2 obs
● 2026-09-14 12:38:56
●NSsalvador.ns.porkbun.com2026-09-09 → 2026-09-14 · 2 obs
● 2026-09-14 12:38:56
●A20.113.90.1682026-09-09 → 2026-09-14 · 2 obs
● 2026-09-14 12:38:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| express | v0n2.nic.express, v0n1.nic.express, v0n0.nic.express, v2n1.nic.express... | 12 records |
| tutorial.express | maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com | - |
✅ Authoritative Response
Server:162.159.11.180
NS records: maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tutorial.express (unsigned zone)
⏱️ Timing
Total: 535ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.113.90.168 |
| NS | 4 | curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com... |
| SOA | 1 | curitiba.ns.porkbun.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.express, v0n1.nic.express, v0n2.nic.express...)
Analysis
IP Addresses
tutorial.express points to a single IP number: 20.113.90.168.
Other host names share IP numbers with tutorial.express; calendar.click is one such example.
Name Servers
tutorial.express has four authoritative name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.
At least some of tutorial.express's name servers are shared with other domains, for example charitywavepro.com, bigbraindesk.com, easyvino.com and two more.
Four hostnames, each resolving to a pair of IP addresses: curitiba.ns.porkbun.com directs to 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25; fortaleza.ns.porkbun.com directs to 162.159.8.140 and 2400:cb00:2049:1::a29f:88c; maceio.ns.porkbun.com directs to 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4; salvador.ns.porkbun.com directs to 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.