Тема: Как проверить не заблокирован ли IP в DNSBL через командную строку
По стандарту IP 127.0.0.1 всегда не заблокирован, а 127.0.0.2 всегда заблокирован.
$ dig txt 2.0.0.127.zen.spamhaus.org
; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.6 <<>> txt 2.0.0.127.zen.spamhaus.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17133
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 21, ADDITIONAL: 0
;; QUESTION SECTION:
;2.0.0.127.zen.spamhaus.org. IN TXT
;; ANSWER SECTION:
2.0.0.127.zen.spamhaus.org. 287 IN TXT "http://www.spamhaus.org/sbl/query/SBL233"
2.0.0.127.zen.spamhaus.org. 287 IN TXT "http://www.spamhaus.org/query/bl?ip=127.0.0.2"
;; AUTHORITY SECTION:
zen.spamhaus.org. 72496 IN NS 5.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS b.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS 7.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS 8.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS t.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS h.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS o.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS f.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS g.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS k.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS i.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS 2.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS q.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS 3.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS 0.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS a.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS d.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS c.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS x.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS l.ns.spamhaus.org.
zen.spamhaus.org. 72496 IN NS r.ns.spamhaus.org.
;; Query time: 2 msec
;; SERVER: 92.61.35.2#53(92.61.35.2)
;; WHEN: Tue Jan 14 16:14:47 2014
;; MSG SIZE rcvd: 494