Category DNS

PTR Record

PTR record ( a pointer record ) is the certain type of DNS record that resolves an IP address to a host name. Getting reverse DNS going is done by finding the PTR records in use by a DNS server.…

Reverse DNS

DNS underpins so much of what the internet does – we would never be able to use the internet as easily as we do if it was not for the domain name system, or DNS. This is because DNS is…

SPF Record

The open standard that checks to determine if your email address is valid is called SPF ( Sender Policy Framework ). The SPF record is one of the DNS records which stores information and regulates your domain names’ functions. The…

SRV Record

Ever wondered what the purpose of an SRV record is? Well, SRV records are a little bit different from most DNS records because they are not directly related to the DNS server – they look after separate domain services. Let’s…

Static DNS

DNS is key to a stable online presence, so using reliable DNS services is really important. If you’re a website owner you should focus in particular on the name servers as these make sure that people can find your website,…

Subdomain

Subdomains are an element of the domain name system (DNS). With respect to DNS a subdomain is essentially a domain which is part of another, larger domain. Strictly speaking every domain on the internet is really a subdomain, with the…

TLDs

Top-level domains (commonly known as TLDs) are the very last part of the domain name, the rightmost section after the last period. Every part of a full domain name is separated by periods, and the periods indicate a hierarchy in…

TTL

You know that DNS powers the internet as everyone uses it today. DNS is the system that converts easy to understand domain names into the IP addresses that computers use to communicate with each other. That said, without TTL the…

TXT Record

TXT (Text) records are part of the Domain Name System. They store different text of different reasons, some of it in computer code form, and some of it in human language form. TXT files are typically used to check that…