how to check TXT record with "dig"

just simple, open your terminal and type:

# dig -t txt domain.com


; <<>> DiG 9.8.1-P1 <<>> -t txt domain.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 30723
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 0

;; QUESTION SECTION:
;domain.com.            IN    TXT

;; ANSWER SECTION:
domain.com.        3600    IN    TXT    "v=spf1 mx ip4:69.63.211.0/25 ip4:64.85.73.0/25 ip4:70.103.251.0/24 ip4:63.251.171.160/27 ip4:216.34.94.160/27 include:rnmk.com include:custhelp.com include:salesforce.com include:emailbrain.com -all"

;; AUTHORITY SECTION:
domain.com.        79923    IN    NS    ns3.domain.com.
domain.com.        79923    IN    NS    ns1.domain.com.
domain.com.        79923    IN    NS    ns2.domain.com.

;; Query time: 124 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jun 12 00:13:48 2012
;; MSG SIZE  rcvd: 293