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Articles in General DNS topics

General DNS topics
  • Dan Kaminsky's DNS bug / VU#800113
  • Does Simple DNS Plus support split-horizon / split-view / BIND views?
  • ENUM - Mapping telephone numbers to SIP or e-mail addresses in DNS
  • How do you use NSLOOKUP with MX records?
  • How to make Simple DNS Plus respond with the same IP address for any domain name
  • I'm seeing a lot of strange "Update" and/or TKEY-record requests in the log. What is this all about?
  • Publishing your SIP server address in DNS
  • SRV records for Office 365
  • The log shows a lot of requests for domain names ending with "_zonelist". What is this?
  • What are MX records, and why do I need this to run an e-mail server?
  • What is "DNS cache snooping" and how do I prevent it?
  • What is a DNS amplification attack and how to mitigate it
  • What is an ”open DNS server” and how do I fix it?
  • Why can't I create a CNAME record for the zone name itself?
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