Also called "inverse DNS," the PTR record is an option. See reverse DNS. Two Name Server (NS) records identify the authoritative DNS servers for the domain. Required for redundancy, the secondary ...
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Chinese government website security is often worryingly bad, say Chinese researchersOver a quarter of domain names used by Chinese government websites were found not to have name server (NS) records – meaning it’s possible they lack effective DNS configuration and could be ...
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