[dns-operations] An simple observation

[Mark Andrews]

In message <542A474B.80900 at dougbarton.us>, Doug Barton writes:
> On 9/29/14 3:00 PM, Mark Andrews wrote:
> > Of the .AU zones in the Alexa top 1M domains there 672 IPv6 DNS servers
> > for them and 6824 IPv4 servers.
> 
> What's the number of zones with IPv6 / Total number of zones?

bikeshed.isc.org:tld-report {4} % awk '$2 ~ /:/ { print $1}' reports/au.2014-09-28T00:00:05Z | sort -u | wc
    2006    2006   39395
bikeshed.isc.org:tld-report {5} % awk '$2 ~ /@/ { print $1}' reports/au.2014-09-28T00:00:05Z | sort -u | wc
    8146    8146  160392
bikeshed.isc.org:tld-report {6} % 

	2006 / 8146

> 
> Doug
> 
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org