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Extended DNS Records – SVR, DNAME and AAAA records

Extended DNS Records – SVR, DNAME and AAAA records

We continue looking at less commonly used DNS records, but we also look at the soon to be common AAAA record which is merely the IPV6 version of an A record. Before that, we will first examine the SRV and the rare DNAME records. The SRV extended DNS record SRV records are DNS entries that […]

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Extended DNS Records – SPF, DKIM and DMARC

Extended DNS Records – SPF, DKIM and DMARC

Most of us who have hosted or registered a domain, are familiar with the regular DNS record entries. The A, MX, NS and CNAME records are used on a daily basis and are familiar to most Systems Administrators. SOA records, while a bit less familiar, are also present in every DNS zone as they define the […]

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Domain transfers, DNS Propagation and other delaying factors

Domain transfers, DNS Propagation and other delaying factors

So you have finally decided to move on to a new hosting company. The reasons do not matter – the planning does. Not taking the inherent delays into account can leave you frustrated and wishing you had never even started the process. For business, interrupted mail and a website that may or may not work […]

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DNS Records – Best Practice

DNS Records – Best Practice

Although the basics of DNS records is easy to understand, I often see badly configured DNS zones. Here are a few pointers to help keep that DNS pure and fast according to industry best practice. CNAME RECOMMENDATIONS These records are heavily overused and abused. The basic rule is that a CNAME should never point to another […]

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DNS Zones explained

DNS Zones explained

  The Domain Name System (DNS) is a central part of the Internet, providing a way to match names (a website you’re seeking) to numbers (the address for the website).   The DNS records are defined per zone. A zone file is a collection of resource records with each record entry described in a certain sequence. […]

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