News for hackers. Stuff that matters.

A comment on Ask HN: How do you check a url is valid?.

Re:Ask HN: How do you check a url is valid? by lookingfj on Friday October 20, 2017 @02:11PM (#15517926)
So I think in this instance I would deem valid to be: 1) the url is the correct format 2) the url resolves to an ip address 3) the url is registered and is in use. By this I mean it's not one of the "this domain name is for sale" pages.

Number 3 is the novel and challenging piece of this.

[ Parent | on HN ]

There are no comments on this comment yet.