Name
dns_txt_get — Use for DNS text record retrieval.
Synopsis
varchar
dns_txt_get
(
|
in dns_serevr_ip_or_null any , |
in
dns_entry
varchar
); |
Description
This function can be used for DNS text record retrieval. It works on UNIX, Windows, Mac OS X w/o additional libraries.
Parameters
dns_serevr_ip_or_null
DNS server IP or null. If null, then the system will try to find the
system defined DNS servers. First argument null together with
xenc_key_RSA_read()
with 3d argument of 1 (int) can be used to write a PL procedure for DKIM
signature check of mails.
dns_entry
DNS entry.
Examples
Example 24.165. Obtaining DNS text record
SELECT dns_txt_get (null, 'x._domainkey.example.com');
dns_txt_get
VARCHAR
_______________________________________________________________________________
v=DKIM1; k=rsa; p=...
See Also
http,
http_client_ip,
http_value,
http_url,
string_output,
http_acl_get,
http_rewrite.