> > A DNS Lookup on IP address "208.230.217.3" returned the following information:
> >           ; (1 server found)
> >           ;; res_mkquery(0, 3.217.230.208.in-addr.arpa., 1, 255)
> >           ;; res options: init debug recurs defnam dnsrch ?0x80000000?
> >           ;; res_send()
> >           ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10
> >           ;; Ques: 1, Ans: 0, Auth: 0, Addit: 0
> >           ;; QUESTIONS:
> >           ;;      3.217.230.208.in-addr.arpa, type = ANY, class = IN
> >           ;; Querying server (# 1) address = 204.225.44.10
> >           ;; got answer:
> >           ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10
> >           ;; Ques: 1, Ans: 0, Auth: 1, Addit: 0
> >           ;; QUESTIONS:
> >           ;;      3.217.230.208.in-addr.arpa, type = ANY, class = IN
> >           ;; AUTHORITY RECORDS:
> >           217.230.208.in-addr.arpa.       21600   SOA     auth02.ns.uu.net. hostmaster.uu.net. (
> >                                   971017  ; serial
> >                                   21600   ; refresh (6 hours)
> >                                   3600    ; retry (1 hour)
> >                                   1728000 ; expire (20 days)
> >                                   21600 ) ; minimum (6 hours)
> >           ;; Total query time: 139 msec
> >           ;; FROM: polaris.canweb.ca to SERVER: 204.225.44.10
> >           ;; WHEN: Wed May 17 11:05:17 2000
> >           ;; MSG SIZE  sent: 44  rcvd: 131
> > 
> >      DiG V2.1 developed by Steve Hotz
> もっと簡潔にヽ(´ー｀)ノ

ポート80と3128が匿名串です

参考：2000/05/18(木)00時07分30秒