cheapcourses.co - robtex.com
cheapcourses.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 207.207.210.107 | ||||||
| A | 207.207.210.229 | ||||||
| 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=2410601668 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759717372 | ||||||
Same first word
cheapcourses.com |
cheapcourses.eu |
cheapcourses.co |
DNS History
14 records (6 active, 8 former)
●NScuritiba.ns.porkbun.com2026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 08:35:38
○NSelisa.ns.cloudflare.com2026-03-20 → 2026-03-20 · 2 obs
○ 2026-07-27 08:35:38
○NSelliott.ns.cloudflare.com2026-03-20 → 2026-03-20 · 2 obs
○ 2026-07-27 08:35:38
●NSfortaleza.ns.porkbun.com2026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 08:35:38
●NSmaceio.ns.porkbun.com2026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 08:35:38
●NSsalvador.ns.porkbun.com2026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 08:35:38
○A104.21.2.972026-03-20 → 2026-03-20 · 2 obs
○ 2026-07-27 08:35:38
○A172.67.129.142026-03-20 → 2026-03-20 · 2 obs
○ 2026-07-27 08:35:38
●A207.207.210.1072026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 08:35:38
●A207.207.210.2292026-07-27 → 2026-07-27 · 2 obs
● 2026-07-27 08:35:38
○A2606:4700:3031::6815:2612026-07-24 → 2026-07-24 · 3 obs
● 2026-07-24 03:12:38
○ 2026-07-27 08:35:38
○A2606:4700:3035::ac43:810e2026-03-20 → 2026-03-20 · 3 obs
○ 2026-07-24 03:12:38
○ 2026-07-27 08:35:38
○A2606:4700:3037::6815:2612026-03-20 → 2026-03-20 · 3 obs
○ 2026-07-24 03:12:38
○ 2026-07-27 08:35:38
○A2606:4700:3037::ac43:810e2026-07-24 → 2026-07-24 · 3 obs
● 2026-07-24 03:12:38
○ 2026-07-27 08:35:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | b.registrydns.co, d.registrydns.co, a.registrydns.co, c.registrydns.co | - |
| cheapcourses.co | maceio.ns.porkbun.com, salvador.ns.porkbun.com, curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com | - |
✅ Authoritative Response
Server:162.159.10.150
NS records: maceio.ns.porkbun.com, salvador.ns.porkbun.com, curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cheapcourses.co (unsigned zone)
⏱️ Timing
Total: 443ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 207.207.210.107, 207.207.210.229 |
| NS | 4 | curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com... |
| SOA | 1 | curitiba.ns.porkbun.com dns.cloudflare.c |
Analysis
IP Addresses
cheapcourses.co resolves to the IP addresses 207.207.210.107 and 207.207.210.229
Additional host names — platypy.com, conversioncrafters.info, adibi.net and two others — share IP numbers with cheapcourses.co.
Name Servers
cheapcourses.co has four authoritative name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.
cheapcourses.co has at least partial name server overlap with other domains, such as acenteredplace.org, hlr.nyc, ten52.com 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.