onlinecurso.com - robtex.com
onlinecurso.com
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=1778821106 | ||||||
Subdomains
flaviogirol.onlinecurso.com |
Similar names
corneliuson.net |
ruscoonline.com |
closerunion.com |
cursoonline.cl |
ninecolours.com |
coursonline.net |
cursoonline.es |
DNS History
15 records (4 active, 11 former)
●NSchip.ns.cloudflare.com2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 05:02:46
● 2026-05-15 05:02:48
○NSns1.vultr.com2020-02-16 → 2020-02-16 · 4 obs
● 2020-02-16 08:20:12
○ 2026-05-15 05:02:46
○ 2026-05-15 05:02:48
○NSns2.vultr.com2020-02-16 → 2020-02-16 · 4 obs
● 2020-02-16 08:20:12
○ 2026-05-15 05:02:46
○ 2026-05-15 05:02:48
○NSns8359.hostgator.com2015-05-02 → 2017-03-25 · 4 obs
● 2017-03-25 11:55:10
○ 2020-02-16 08:20:12
○ 2026-05-15 05:02:48
○NSns8360.hostgator.com2015-05-02 → 2017-03-25 · 4 obs
● 2017-03-25 11:55:10
○ 2020-02-16 08:20:12
○ 2026-05-15 05:02:48
●NSvita.ns.cloudflare.com2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 05:02:46
● 2026-05-15 05:02:48
○MXinbound-smtp.eu-west-1.amazonaws.com2020-02-16 → 2020-02-16 · 4 obs
● 2020-02-16 08:20:12
○ 2026-05-15 05:02:46
○ 2026-05-15 05:02:48
○MXinbound-smtp.us-east-1.amazonaws.com2020-02-16 → 2020-02-16 · 4 obs
● 2020-02-16 08:20:12
○ 2026-05-15 05:02:46
○ 2026-05-15 05:02:48
●MXmail.onlinecurso.com2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 05:02:46
● 2026-05-15 05:02:48
○MXmx.zoho.com2020-02-16 → 2020-02-16 · 4 obs
● 2020-02-16 08:20:12
○ 2026-05-15 05:02:46
○ 2026-05-15 05:02:48
○MXmx2.zoho.com2020-02-16 → 2020-02-16 · 4 obs
● 2020-02-16 08:20:12
○ 2026-05-15 05:02:46
○ 2026-05-15 05:02:48
○MXonlinecurso.com2015-05-02 → 2017-03-25 · 4 obs
● 2017-03-25 11:55:10
○ 2020-02-16 08:20:12
○ 2026-05-15 05:02:48
○A108.167.143.2402015-05-02 → 2017-03-25 · 4 obs
● 2017-03-25 11:55:10
○ 2020-02-16 08:20:12
○ 2026-05-15 05:02:48
●A162.241.61.2292026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 05:02:46
● 2026-05-15 05:02:48
○A45.32.172.502020-02-16 → 2020-02-16 · 4 obs
● 2020-02-16 08:20:12
○ 2026-05-15 05:02:46
○ 2026-05-15 05:02:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| onlinecurso.com | chip.ns.cloudflare.com, vita.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.84
NS records: chip.ns.cloudflare.com, vita.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for onlinecurso.com (unsigned zone)
⏱️ Timing
Total: 157ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.241.61.229 |
| NS | 2 | chip.ns.cloudflare.com, vita.ns.cloudflare.com |
| MX | 1 | mail.onlinecurso.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:162.241.61.225 +inclu |
| SOA | 1 | chip.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (chip.ns.cloudflare.com, chip.ns.cloudflare.com, chip.ns.cloudflare.com...)
Analysis
Hierarchy
onlinecurso.com is a parent of flaviogirol.onlinecurso.com.
IP Addresses
onlinecurso.com points to a single IP address: 162.241.61.229.
Other host names such as mail.casaplus.com.br, mail.chinter.com.br, ictinovabrasil.org.br, ispb.com.br and mail.gbczeroenergy.org.br share IP numbers with onlinecurso.com.
Name Servers
onlinecurso.com is delegated to two name servers: chip.ns.cloudflare.com and vita.ns.cloudflare.com.
onlinecurso.com uses the same name server setup as other domains, including xunbbo.com, mankin.net, irikka.com, lionslair.net.au and milestonebath.com.
At least part of the name servers for onlinecurso.com are shared with other domains, for instance winter.pk, icheye.com, dnathlete.com, atc-europe.org and semizone.com.
These name servers are often used together with nelly.ns.cloudflare.com, liberty.ns.cloudflare.com and gwen.ns.cloudflare.com.
Host names with six IP numbers:
chip.ns.cloudflare.com points to: 2606:4700:58::adf5:3b54, 2803:f800:50::6ca2:c154, 2a06:98c1:50::ac40:2154, 108.162.193.84, 172.64.33.84 and 173.245.59.84.
vita.ns.cloudflare.com points to: 2606:4700:50::adf5:3aee, 2803:f800:50::6ca2:c0ee, 2a06:98c1:50::ac40:20ee, 108.162.192.238, 172.64.32.238 and 173.245.58.238.
Mail Servers
The mail server for onlinecurso.com is mail.onlinecurso.com.
Host mail.onlinecurso.com points to IP 162.241.61.229.