The ramblings of a computer geek
You want to search your Microsoft Exchange message tracking logs to track an email, you can do this using a Powershell command (run from the Microsoft Exchange Powershell console), the below command will query all your Microsoft Exchange servers to find the tracking logs and then obtain all emails sent by the user “sender@domain.com” between … Read more
Had an issue where we had a client that couldn’t access a particular site, in this case we wanted to determine what encryption ciphers a particular website was offering on its HTTPS server, SSLScan which is a Linux tool available on Ubuntu and other distributions can help, for example:
The resolution of a DNS FQDN requires a number of servers to be queried, typically your machine (or a DNS resolver – on your behalf) will query the root DNS (name) servers, these will then return the (registrar) name servers that serve the TLD (top level domain) e.g. .com, .co.uk etc. for your domain, these … Read more
DNS name resolution is essential to modern connectivity. The ability for hosts to be able to quickly and reliably resolve DNS domain names (e.g. www.google.com) to their IP address equivalents (e.g. 216.58.204.68 or 2a00:1450:4009:827::2004) to connect and consume services ensures consistent and performant network flows. Due to the essential nature of DNS, DNSSEC is an addition … Read more