NSLookup (DNS Lookup)
Esta ferramenta faz lookups e lookups reversos para servidores DNS, IP/Domínio e Dominio/IP.
NSLookup 85.13.137.6
; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2 <<>> any 85.13.137.6
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61143
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;85.13.137.6. IN ANY
;; ANSWER SECTION:
85.13.137.6. 655360 IN A 85.13.137.6
;; Query time: 25 msec
;; SERVER: 69.64.44.20#53(69.64.44.20)
;; WHEN: Sat Jul 31 15:02:07 2010
;; MSG SIZE rcvd: 45