Updates, news and developments from hosting, security and Internet infrastructure.
Domains & DNS
A domain can outlive websites, agencies and employees, so its ownership deserves deliberate management.
Domains & DNS
Multiple authoritative nameservers improve availability only when they do not all share the same failure domain.
Domains & DNS
A web server can be operating perfectly while visitors can no longer reach the domain.
Domains & DNS
Recursive DNS caching improves performance and reduces load on authoritative nameservers.
Domains & DNS
DNS changes do not need to be copied manually across the Internet. Recursive resolvers cache previous answers according to their TTL, so users…
Domains & DNS
The aim is to connect the technology with everyday operational decisions. An A record maps a hostname directly to an IPv4 address, while a CNAME aliases one hostname to another.
Domains & DNS
The aim is to connect the technology with everyday operational decisions. A domain delegates authority to nameservers.
Domains & DNS
The aim is to connect the technology with everyday operational decisions. DNSSEC adds cryptographic validation to DNS responses so resolvers can verify that signed DNS data has not been altered in transit.
Domains & DNS
TTL defines how long a DNS answer may remain cached before a resolver asks for fresh information.
Domains & DNS
An expired domain can affect the website, email and other services that depend on the same name.
Domains & DNS
DNS translates domain names into addresses that computers and Internet services can use.
