To convert a domain name to an IP address, your browser uses a Domain Name Service (DNS),[346] which is like a giant address book.
Aditya Agashe • Swipe to Unlock: The Primer on Technology and Business Strategy (Fast Forward Your Product Career: The Two Books Required to Land Any PM Job)
Knowing the IP address(es) of your organization is the first step toward finding what is currently listed, but if you’re not sure there are several options. You can use the IP addresses of the resolver that we utilized earlier in this chapter or you can look at arin.net (Figure 18-16). Using the resolver (or shodan) may return results of server IP
... See moreLee Brotherston, Amanda Berlin • Defensive Security Handbook
So, to summarize, your browser now knows to use HTTPS to grab the homepage of 216.58.219.206, an IP address that humans fondly call google.com. Your browser packages up this “request” and sends it to the huge computers, or “servers,” that power Google’s website.
Aditya Agashe • Swipe to Unlock: The Primer on Technology and Business Strategy (Fast Forward Your Product Career: The Two Books Required to Land Any PM Job)
On the internet, websites are like buildings, hyperlinks are like roads, traffic comes in the form of people and information. It is a complex system with many interacting parts.
Oliver Hunt • Page Not Found
Finally, there is that options ndots:5 . This indicates “how many dots should there be in a name for that name to be considered an external name”. In other words, if we try to resolve a , a.b , a.b.c , a.b.c.d , or a.b.c.d.e , the search list will be used - so resolving api.example.com will result in 5 DNS queries (for the 4 elements of the search ... See more