[root@domain ~]#  dig @nsserver dkim._domainkey.domain.com TXT

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.30.rc1.el6_6.2 <<>> @nsserver dkim._domainkey.domain.com TXT
; (1 server found)
;; global options: +cmd
;; connection timed out; no servers could be reached
[root@domain ~]#  dig @nsserver domain.com TXT

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.30.rc1.el6_6.2 <<>> @nsserver domain.com TXT
; (1 server found)
;; global options: +cmd
;; connection timed out; no servers could be reached
[root@domain ~]#  dig @nsserver domain.com SPF

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.30.rc1.el6_6.2 <<>> @nsserver domain.com SPF
; (1 server found)
;; global options: +cmd
;; connection timed out; no servers could be reached
[root@domain ~]#