March 19, 2018 – Dan Langille's Other Diary

Adding IPv6 to an existing server

I am adding IPv6 addresses to each of my servers. This post assumes the server is up and running FreeBSD 11.1 and you already have an IPv6 address block. This does not cover the creation of an IPv6 tunnel, such as that provided by HE.net. This assumes native IPv6. In this post, I am using the IPv6 addresses from the IPv6 Address Prefix Reserved for Documentation (i.e. 2001:DB8::/32). You should use your own […]

Mar 19 2018

Using nsupdate to change NS servers

3 Comments / DNS, named, nsupdate / By Dan Langille / March 19, 2018

You have an old DNS server: tallboy.example.org You have a new DNS server: ns1.example.org You have a domain, example.com, for which you want to swap the old DNS server with the new DNS using nsupdate. NOTE: the domain is example.com The NS servers are in example.org (different domains). These are the commands you issue: update delete example.com. IN NS tallboy.example.org. update add example.com. 3600 IN NS ns1.example.org. send Of note, you mention the

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