DNS prefetching and page optimization
60772
dns prefetch / pre-resolve hostname - how effective?
2617
How do we control web page caching, across all browsers?
105236
Multi-site high availability
134410
Why should one have a secondary DNS server?
19398
Clarification of why DNS zone files require NS records
137817
Extremely slow DNS lookup
12522
Basic DNSSEC configuration under BIND 9.7?
17505
PTR record (rDNS) for multiple domains on a shared IP address
145182
Forward dns request to another dns server
121843
How do I sort a list of IP addresses and compute a class and netmask for each?
151725
How can I set up a Dynamic DNS fetching service on Ubuntu Server?
134094
Is it possible to find all DNS subdomains for a given domain name?
141224
Why do DNS queries fail if the first nameserver is not recursive?
2442
How do you do load testing and capacity planning for web sites?
70091
How to make DNS server propagate faster if you are a site owner?
9741
Lazy loading images and effects on SEO
95841
Preserve search engine rankings while shifting to new domain name