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
Example24.156.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
.