Last login: Tue Jul 25 10:07:20 on ttyp1
Welcome to Darwin!
edugas-laptop:~ edugas$ dig 206.47.244.90 mx

; <<>> DiG 9.2.2 <<>> 206.47.244.90 mx
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 22197
;; flags: qr aa; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;206.47.244.90.                 IN      MX

;; AUTHORITY SECTION:
.                       86400   IN      SOA     A.ROOT-SERVERS.NET. NSTLD.VERISIGN-GRS.COM. 2006072401 1800 900 604800 86400

;; Query time: 374 msec
;; SERVER: 192.168.2.1#53(192.168.2.1)
;; WHEN: Tue Jul 25 11:17:20 2006
;; MSG SIZE  rcvd: 106

edugas-laptop:~ edugas$ dig 206.47.244.53 mx

; <<>> DiG 9.2.2 <<>> 206.47.244.53 mx
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57547
;; flags: qr aa; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;206.47.244.53.                 IN      MX

;; AUTHORITY SECTION:
.                       86400   IN      SOA     A.ROOT-SERVERS.NET. NSTLD.VERISIGN-GRS.COM. 2006072401 1800 900 604800 86400

;; Query time: 349 msec
;; SERVER: 192.168.2.1#53(192.168.2.1)
;; WHEN: Tue Jul 25 11:17:31 2006
;; MSG SIZE  rcvd: 106