curso.dev - robtex.com
curso.dev
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 | ||||||
Subdomains
www.curso.dev |
Same first word
curso.dev |
curso.nl |
curso.es |
curso.study |
curso.it |
curso.com |
curso.email |
curso.org.br |
curso.pro |
curso.co |
curso.one |
curso.me |
curso.pl |
curso.net |
curso.digital |
curso.gratis |
curso.in |
curso.tv |
Similar names
DNS History
13 records (13 active, 0 former)
●NSgwen.ns.cloudflare.com2026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
●NSterry.ns.cloudflare.com2026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
●MXalt1.aspmx.l.google.com2026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
●MXalt2.aspmx.l.google.com2026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
●MXalt3.aspmx.l.google.com2026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
●MXalt4.aspmx.l.google.com2026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
●MXaspmx.l.google.com2026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
●A104.26.12.1952026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
●A104.26.13.1952026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
●A172.67.74.2502026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
●A2606:4700:20::681a:cc32026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
●A2606:4700:20::681a:dc32026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
●A2606:4700:20::ac43:4afa2026-02-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:59:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| curso.dev | terry.ns.cloudflare.com, gwen.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.237
NS records: terry.ns.cloudflare.com, gwen.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for curso.dev (unsigned zone)
⏱️ Timing
Total: 993ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 104.26.12.195, 104.26.13.195... |
| AAAA | 3 | 2606:4700:20::681a:dc3, 2606:4700:20::681a:cc3... |
| NS | 2 | gwen.ns.cloudflare.com, terry.ns.cloudflare.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)... |
| TXT | 3 | HA! Voce me encontrou, mas o desafio ain, google-site-verification=9VUxqk9vKcs1qJL... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
| SOA | 1 | gwen.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
curso.dev is the parent zone for www.curso.dev.
IP Addresses
curso.dev directs to 6 IP numbers: 104.26.12.195, 104.26.13.195, 172.67.74.250 and 3 other.
Two other host names, along with nakhly.net, flowcv.me and www.armstrongteasdale.com.cdn.cloudflare.net, also share IP numbers with curso.dev.
Name Servers
curso.dev uses two name servers for its delegation: gwen.ns.cloudflare.com and terry.ns.cloudflare.com.
curso.dev shares its NS records with other domains, for example kuderko.com, systemsaude.com.br, finalfile.com and two others.
curso.dev partially shares its NS delegation with several other domains, including hidemymail.org, nerryfit.com, cactuspay.pro and two others.
These name servers often co-occur with the name servers theo.ns.cloudflare.com.
DNS names with 6 IP addresses:
Hostname gwen.ns.cloudflare.com directs to 108.162.192.160, 172.64.32.160 and 173.245.58.160 along with 3 other IP addresses.
Hostname terry.ns.cloudflare.com directs to 108.162.193.237, 172.64.33.237 and 173.245.59.237 along with 3 other IP addresses.
Mail Servers
curso.dev is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
There is at least a partial MX overlap between curso.dev and other domains, including vacanzenelcilento.com, jtx.co.at, ns500734.ns500699.ns500693.ns500693.ns500734.ns500734.ns500588.ns500699.ns500693.ns500699.ns500588.ns500632.ns500110.dtrkdll.com and two others.
alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
aspmx.l.google.com directs traffic to 172.253.139.27 and 2607:f8b0:4004:c21::1a.
alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.
alt3.aspmx.l.google.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1a.