What is a legal host name on the internet? Brief description with a couple of illustrative examples, please.

What is a legal host name on the internet? Brief description with a couple of illustrative examples, please.

Use the internet and search for information as to what details a namesever may provide. How do you get it? (Hints: search with google, what is nslookup)

In Denmark there is, as in other places, a whois service. Who offers it? What info do you get from it.

Create a telnet opac.shu.ac.uk connection. Re the demos I made the other day. The password is opac. Wireshark the dialog and identify the password in the frame(s) of the dialog.

Use Wireshark to analyze your login to your webmail. Send a screendump of the frames it generates.

Send an email to yourself. use your MUA to analyse it's content. Check your results with your MUA capability of displaying mail headers.