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Direct parsing of bind files #120

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@TropicalThunder

I might be entirely wrong... but is there a way to parse a raw zone/bind file? I haven't been able to find a simple way to parse zone files into C# objects. I would assume that DnsClient parses this internally as a response from a NS server... but is there a way to supply the file from text (disk, stream w/e), without accessing a NS server?

Basic example of zone file:

$ORIGIN example.com.
$TTL 86400
@ SOA dns1.example.com. hostmaster.example.com. (
2001062501 ; serial
21600 ; refresh after 6 hours
3600 ; retry after 1 hour
604800 ; expire after 1 week
86400 ) ; minimum TTL of 1 day
;
;
NS dns1.example.com.
NS dns2.example.com.
dns1 A 10.0.1.1
AAAA aaaa:bbbb::1
dns2 A 10.0.1.2
AAAA aaaa:bbbb::2
;
;
@ MX 10 mail.example.com.
MX 20 mail2.example.com.
mail A 10.0.1.5
AAAA aaaa:bbbb::5
mail2 A 10.0.1.6
AAAA aaaa:bbbb::6
;
;
; This sample zone file illustrates sharing the same IP addresses for multiple services:
;
services A 10.0.1.10
AAAA aaaa:bbbb::10
A 10.0.1.11
AAAA aaaa:bbbb::11

ftp CNAME services.example.com.
www CNAME services.example.com.
;
;

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