* WIP * Enable PTR records in dnsconfig.js, in BIND provider. * Rename REVERSE() to REV(). * More accurate PTR target checking * Document REV() * Fix broken test
1.1 KiB
name | parameters | |
---|---|---|
REV |
|
REV
returns the reverse lookup domain for an IP network. For example REV('1.2.3.0/24')
returns 3.2.1.in-addr.arpa.
and REV('2001:db8:302::/48)
returns 2.0.3.0.8.b.d.0.1.0.0.2.ip6.arpa.
. This is used in D()
functions to create
reverse DNS (PTR
) zones.
This is a convenience function. You could specify D('3.2.1.in-addr.arpa
, ...` if you like to do things manually
and permit typos to creep in.
The network portion of the IP address (/24
) must always be specified.
Note that the lower bits are zeroed out automatically. Thus, REV('1.2.3.4/24') is the same as
REV('1.2.3.0/24')`. This
may generate warnings or errors in the future.
{% include startExample.html %} {% highlight js %} D(REV('1.2.3.0/24'), REGISTRAR, DnsProvider(BIND), PTR("1", 'foo.example.com.'), PTR("2", 'bar.example.com.'), PTR("3", 'baz.example.com.'), );
D(REV('2001:db8:302::/48'), REGISTRAR, DnsProvider(BIND), PTR("1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0", 'foo.example.com.'), // 2001:db8:302::1 );
{%endhighlight%} {% include endExample.html %}