resolv_srv: Returns the DNS SRV records for a given FQDN

In hrbrmstr/resolv: Wrapper to ldns library for DNS calls from R

Description

Returns the DNS SRV records for a given FQDN

Usage

resolv_srv(fqdn, nameserver = NA_character_, showWarnings = FALSE,
  full = FALSE)

Arguments

fqdn	input character vector (FQDN)
nameserver	the nameserver to send the request to (optional; uses standard resolver behavior if not specified)
showWarnings	display R warning messages (bool)
full	include full record response information in results (bool)

Value

data frame of SRV records (named fields; +owner,class,ttl if full==TRUE) or an empty list if none

See Also

http://www.nlnetlabs.nl/projects/ldns/

http://www.cambus.net/interesting-dns-hacks/

Examples

## Not run: 
require(resolv)
library(plyr)

## google talk provides a good example for this
resolv_srv("_xmpp-server._tcp.gmail.com.", full=TRUE)
##                           fqdn priority weight port                         target                        owner class ttl
## 1 _xmpp-server._tcp.gmail.com.        5      0 5269      xmpp-server.l.google.com. _xmpp-server._tcp.gmail.com.     1 804
## 2 _xmpp-server._tcp.gmail.com.       20      0 5269 alt1.xmpp-server.l.google.com. _xmpp-server._tcp.gmail.com.     1 804
## 3 _xmpp-server._tcp.gmail.com.       20      0 5269 alt2.xmpp-server.l.google.com. _xmpp-server._tcp.gmail.com.     1 804
## 4 _xmpp-server._tcp.gmail.com.       20      0 5269 alt3.xmpp-server.l.google.com. _xmpp-server._tcp.gmail.com.     1 804
## 5 _xmpp-server._tcp.gmail.com.       20      0 5269 alt4.xmpp-server.l.google.com. _xmpp-server._tcp.gmail.com.     1 804

## End(Not run)

hrbrmstr/resolv documentation built on May 17, 2019, 5:12 p.m.