bash-3.1$ dig _xmpp-client._tcp.talk.google.com srv

; <<>> DiG 9.3.2-P1 <<>> _xmpp-client._tcp.talk.google.com srv
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 8932
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;_xmpp-client._tcp.talk.google.com. IN  SRV

;; AUTHORITY SECTION:
google.com.             261     IN      SOA     ns1.google.com. dns-admin.google.com. 2007041601 7200 1800 1209600 300

;; Query time: 0 msec
;; SERVER: 172.24.2.71#53(172.24.2.71)
;; WHEN: Tue Apr 17 17:53:12 2007
;; MSG SIZE  rcvd: 101