cfcourse-online.com - robtex.com
cfcourse-online.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=1774673307 | ||||||
Same first word
cfcourse-online.co.uk |
cfcourse-online.com |
DNS History
5 records (4 active, 1 former)
●NSns65.domaincontrol.com2020-03-18 → 2026-03-28 · 2 obs
● 2026-03-28 05:13:56
●NSns66.domaincontrol.com2020-03-18 → 2026-03-28 · 2 obs
● 2026-03-28 05:13:56
●MXcfcourseonline-com02b.mail.protection.outlook.com2026-03-28 → 2026-03-28 · 1 obs
●A46.4.70.22026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 05:13:56
○A94.130.134.982020-03-18 → 2020-03-18 · 2 obs
○ 2026-03-28 05:13:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net... | - |
| cfcourse-online.com | ns66.domaincontrol.com, ns65.domaincontrol.com | 4 records |
✅ Authoritative Response
Server:173.201.70.43
NS records: ns66.domaincontrol.com, ns65.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cfcourse-online.com (unsigned zone)
⏱️ Timing
Total: 180ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.4.70.2 |
| NS | 2 | ns65.domaincontrol.com, ns66.domaincontrol.com |
| MX | 1 | cfcourseonline-com02b.mail.protection.ou |
| TXT | 3 | mandrill_verify.4MqiN-zgNA6qmgT3IfXEIA, NETORGFT10214375.onmicrosoft.com... |
| SOA | 1 | ns65.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns66.domaincontrol.com, ns66.domaincontrol.com, ns65.domaincontrol.com...)
Analysis
IP Addresses
cfcourse-online.com points to a single IP number: 46.4.70.2.
Other host names, for instance static.2.70.4.46.clients.your-server.de, share IP numbers with cfcourse-online.com.
Name Servers
cfcourse-online.com is delegated to two name servers: ns65.domaincontrol.com and ns66.domaincontrol.com.
cfcourse-online.com uses the same name server setup as other domains, for instance b2a.ca, travepia.com, bohemaison.com, moletech.com and hotrodnewz.com.
Host names with two IP numbers:
The host ns65.domaincontrol.com points to 2603:5:2164::2b and 97.74.102.43.
The host ns66.domaincontrol.com points to 2603:5:2264::2b and 173.201.70.43.
Mail Servers
The mail server for cfcourse-online.com is cfcourseonline-com02b.mail.protection.outlook.com.
Host cfcourseonline-com02b.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::, 52.101.89.1, 52.101.89.2, 52.101.99.0 and 52.101.99.2.