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Results tagged with dns-domain
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user 5411
A domain name is an identification string that defines a realm of administrative autonomy, authority, or control on the Internet. Domain names are formed by the rules and procedures of the Domain Name System (DNS). Technically, any name registered in the DNS is a domain name.
7
votes
Is publishing your public IP address a security threat?
Knowing which IP exist at all in a network can be some valuable information for an attacker, if the organization owns a full range of IP addresses but actually uses only a few of them. The idea being …
- 174k
3
votes
Accepted
Which information does a whois lookup reveal about the registrant of the domain?
The domain name that is used for the email address of a scammer may be only loosely related to the scammer himself. E.g. if a scammer uses an Hotmail address, would you conclude that Microsoft (the ow …
- 174k
6
votes
Accepted
How does DNS work?
When you own a domain (say name.com), you own it through a registrar. The registrar maintains a server which talks to the root DNS and tell them: the domain name.com exists, here are the IP addresses …
- 174k
24
votes
Why do HTTPS requests include the host name in clear text?
SNI is there for virtual hosting (several servers, with distinct names, on the same IP address). When a SSL client connects to a SSL server, it wants to know whether it is talking to the right server. …
- 174k
2
votes
Accepted
SSL on domain will affect un-secured sub-domain
SSL and certificates don't actually know what a "domain" is.
When a client (e.g. Web browser, or an application which calls a Web service) connects to a SSL server, it will look at the server's certi …
- 174k