2
votes
1answer
45 views

Shifting from no-www to www and browsers' password storage

I created a website having user-registration system and invited my friend to join it. I gave him the link of no-www version: http://mydomain.com but now after reading this and this, I want to shift to ...
1
vote
1answer
79 views

After changing DNS a domain shows differently on different browser?

I have changed the nameserver's of one of my domains but I found a problem that within Firefox these changes have not updated as expected, however this problem does not occur in other browsers such as ...
5
votes
2answers
156 views

http keep-alive with multiple A/AAAA records

I'm trying to estimate the performance impact of publishing several IP-addresses for a given web-site hostname. Do browsers choose addresses in a random order? Do they use the same address for all ...
22
votes
4answers
26k views

Using multiple A-records for my domain - do web browsers ever try more than one?

If I add multiple A-records for my domain, they are returned in a round robin order by DNS servers. Example: 1.1.1.1 A example.com 1.1.1.2 A example.com 1.1.1.3 A example.com But how does web ...
1
vote
4answers
9k views

How to force browsers/ISPs to look for my new DNS?

I have changed the DNS for my domain. what code (or header) should I use in my old server to tell the visitor's browser or ISP that it should check for my new DNS and the current content is old? is ...