curso.app - robtex.com
curso.app
app
| 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=101427 | ||||||
Subdomains
Same first word
curso.dev |
curso.es |
curso.study |
curso.it |
curso.email |
curso.org.br |
curso.pro |
curso.one |
curso.me |
curso.pl |
curso.net |
curso.app |
curso.digital |
curso.help |
curso.in |
curso.tv |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns-1014.awsdns-62.net2026-03-06 → 2026-03-19 · 2 obs
● 2026-03-19 05:10:40
●NSns-1374.awsdns-43.org2026-03-06 → 2026-03-19 · 2 obs
● 2026-03-19 05:10:40
●NSns-1870.awsdns-41.co.uk2026-03-06 → 2026-03-19 · 2 obs
● 2026-03-19 05:10:40
●NSns-35.awsdns-04.com2026-03-06 → 2026-03-19 · 2 obs
● 2026-03-19 05:10:40
●MXinbound-smtp.us-east-1.amazonaws.com.curso.app2026-03-06 → 2026-03-19 · 2 obs
● 2026-03-19 05:10:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| curso.app | ns-1374.awsdns-43.org, ns-1870.awsdns-41.co.uk, ns-35.awsdns-04.com, ns-1014.awsdns-62.net | - |
✅ Authoritative Response
Server: 205.251.192.35
NS records: ns-1374.awsdns-43.org, ns-1870.awsdns-41.co.uk, ns-35.awsdns-04.com, ns-1014.awsdns-62.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for curso.app (unsigned zone)
⏱️ Timing
Total: 590ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns-1014.awsdns-62.net, ns-1374.awsdns-43.org... |
| MX | 1 | inbound-smtp.us-east-1.amazonaws.com.cur |
| SOA | 1 | ns-1870.awsdns-41.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
Hierarchy
The parent of com.curso.app, mx.curso.app and auth.curso.app is curso.app.
Name Servers
curso.app delegates to four name servers: ns-35.awsdns-04.com, ns-1014.awsdns-62.net, ns-1374.awsdns-43.org and ns-1870.awsdns-41.co.uk.
curso.app at least partially shares name servers with other domains, for instance lapresse.org, gillarylaw.com, brightpointbaystreet.org, therosegardenfrederic.com and printyourbest.com.
Host names with two IP numbers: ns-35.awsdns-04.com points to 2600:9000:5300:2300::1 and 205.251.192.35; ns-1014.awsdns-62.net points to 2600:9000:5303:f600::1 and 205.251.195.246; ns-1374.awsdns-43.org points to 2600:9000:5305:5e00::1 and 205.251.197.94; ns-1870.awsdns-41.co.uk points to 2600:9000:5307:4e00::1 and 205.251.199.78.
Mail Servers
curso.app is handled by a single mail server, inbound-smtp.us-east-1.amazonaws.com.curso.app.
Host inbound-smtp.us-east-1.amazonaws.com.curso.app points to four IP numbers: 3.171.38.91, 3.171.38.95, 3.171.38.110 and 3.171.38.123.