<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jan 29, 2015, at 10:37 PM, Robert Smith <<a href="mailto:rsdifu@gmail.com" class="">rsdifu@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class=""><div class=""><div class=""><div class=""><div class=""><br class=""></div>Good evening,<br class=""><br class=""></div> I'm trying to find/compile a list of name server software that the primary TLD servers use. I've found the root servers use BIND, with a few using NSD; is this about the same usage across TLD servers, as well?<br class=""><br class=""></div> Or perhaps some TLDs use particular appliances instead?<br class=""></div></div></div></div></blockquote></div><br class=""><div class=""><br class=""></div><div class="">Besides BIND, NSD, Yadifa and Knot, you might find some Nominum servers in use by TLDs. You will also see that some TLDs use more than one name server:</div><div class=""><br class=""></div><div class=""><div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">host -c CH -t txt version.bind <a href="http://a.dns.br" class="">a.dns.br</a></div><div style="margin: 0px; font-size: 11px; font-family: Menlo;" class="">version.bind descriptive text "NSD 3.2.17"</div></div><div style="margin: 0px; font-size: 11px; font-family: Menlo;" class=""><br class=""></div><div style="margin: 0px; font-size: 11px; font-family: Menlo;" class=""><div style="margin: 0px;" class="">host -c CH -t txt version.bind <a href="http://c.dns.br" class="">c.dns.br</a></div><div style="margin: 0px;" class="">version.bind descriptive text "9.9.6"</div><div style="margin: 0px;" class=""><br class=""></div><div style="margin: 0px;" class=""><br class=""></div><div style="margin: 0px;" class="">Rubens</div><div style="margin: 0px;" class=""><br class=""></div><div style="margin: 0px;" class=""><br class=""></div></div><div class=""><br class=""></div></body></html>