On Wed, 25 Jun 2008, David Conrad wrote: > On Jun 25, 2008, at 3:20 PM, Dean Anderson wrote: > > So why deny AXFR from roots, then? > > AXFR constitutes a significantly greater load on a name server than > simply answering normal queries. As such, independent root server > operators may decide to restrict zone transfer from their root servers.
A single AXFR constitutes a greater load than a single query. However, it seems unlikely that 30,000 ISPs doing AXFR of the root zone would be less than all the root queries from all the nameservers in the world. > > BTW, did the root zone actually change today (2008062500)? > > VeriSign regenerates the root zone twice a day regardless of whether > there are root zone changes. One would think that could be more efficient. BTW, can you explain what these zones are? XN--KGBECHTV. NS A.IANA-SERVERS.NET. XN--KGBECHTV. NS B.IANA-SERVERS.NET. XN--KGBECHTV. NS C.IANA-SERVERS.NET. XN--HLCJ6AYA9ESC7A. NS A.IANA-SERVERS.NET. XN--HLCJ6AYA9ESC7A. NS B.IANA-SERVERS.NET. XN--HLCJ6AYA9ESC7A. NS C.IANA-SERVERS.NET. XN--11B5BS3A9AJ6G. NS A.IANA-SERVERS.NET. XN--11B5BS3A9AJ6G. NS B.IANA-SERVERS.NET. XN--11B5BS3A9AJ6G. NS C.IANA-SERVERS.NET. XN--JXALPDLP. NS A.IANA-SERVERS.NET. XN--JXALPDLP. NS B.IANA-SERVERS.NET. XN--JXALPDLP. NS C.IANA-SERVERS.NET. XN--DEBA0AD. NS A.IANA-SERVERS.NET. XN--DEBA0AD. NS B.IANA-SERVERS.NET. XN--DEBA0AD. NS C.IANA-SERVERS.NET. XN--G6W251D. NS A.IANA-SERVERS.NET. XN--G6W251D. NS B.IANA-SERVERS.NET. XN--G6W251D. NS C.IANA-SERVERS.NET. XN--HGBK6AJ7F53BBA. NS A.IANA-SERVERS.NET. XN--HGBK6AJ7F53BBA. NS B.IANA-SERVERS.NET. XN--HGBK6AJ7F53BBA. NS C.IANA-SERVERS.NET. XN--80AKHBYKNJ4F. NS A.IANA-SERVERS.NET. XN--80AKHBYKNJ4F. NS B.IANA-SERVERS.NET. XN--80AKHBYKNJ4F. NS C.IANA-SERVERS.NET. XN--ZCKZAH. NS A.IANA-SERVERS.NET. XN--ZCKZAH. NS B.IANA-SERVERS.NET. XN--ZCKZAH. NS C.IANA-SERVERS.NET. -- Av8 Internet Prepared to pay a premium for better service? www.av8.net faster, more reliable, better service 617 344 9000 _______________________________________________ DNSOP mailing list [email protected] https://www.ietf.org/mailman/listinfo/dnsop
