What is my IP address (VC internal or public external)
What is my web browser user agent (and external IP)
What is my public IP address and ISP
Ookla Download Speed Test
Speakeasy Download Speed Test
Country code for IP address
DNSsy (DNS) tests
DNS Stuff (DNS) tests
DNS (Dig) tests
DNSSEC tests
DNS (LetsEncrypt CAA Test)
MX Toolbox (MX/DNS) tests
E-mail header analysis
E-mail DMARC analysis
E-mail DMARC test
Qualys SSL Server Test port 443 only
ImmuniWeb SSL Server Test any port
SSH Server Test
Outbound port test any port
Secunia - Security Advisories
Data Breaches
IP Abuse database (check IP for bad activity)
IP Blacklist check (check IP for Blacklist)
MS Patch Tuesday CVSS Dashboard
URL Scan - Sandbox
URL-Virus Scan tool