Re: [exim] dnsbls

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Author: Dave Lugo
Date:  
To: exim-users
Subject: Re: [exim] dnsbls
On Thu, 13 Mar 2008, Knaupp, Thomas wrote:
>
> Hi,
>
> | Was zen.spamhaus.org closed down, or did it become commercial?
> | For some reason, my server cannot find it anymore.
> | What are the recommended dnsbls currently?
>
> dns lookup doesn't seem to work since about one hour ..
> I've tried from different ISPs but I can't resolve
> zen.spamhaus.org
> sbl-xbl.spamhaus.org
>
> www.spamhaus.org works ...



The DNSBL zones don't themselves haev an A record. This
is normal.

Try looking up the test address, or an IP you know is
in there:

lugo@spot> dig 2.0.0.127.zen.spamhaus.org

; <<>> DiG 9.2.3rc4 <<>> 2.0.0.127.zen.spamhaus.org
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45426
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 20, ADDITIONAL: 6

;; QUESTION SECTION:
;2.0.0.127.zen.spamhaus.org.    IN      A


;; ANSWER SECTION:
2.0.0.127.zen.spamhaus.org. 1800 IN     A       127.0.0.2
2.0.0.127.zen.spamhaus.org. 1800 IN     A       127.0.0.10
2.0.0.127.zen.spamhaus.org. 1800 IN     A       127.0.0.4


;; AUTHORITY SECTION:
zen.spamhaus.org.       85019   IN      NS      g.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      d.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      q.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      m.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      a.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      k.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      i.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      f.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      h.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      b.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      r.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      c.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      y.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      1.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      s.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      x.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      l.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      t.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      8.ns.spamhaus.org.
zen.spamhaus.org.       85019   IN      NS      o.ns.spamhaus.org.


;; ADDITIONAL SECTION:
o.ns.spamhaus.org.      12502   IN      A       216.157.144.101
o.ns.spamhaus.org.      12502   IN      A       216.157.144.102
o.ns.spamhaus.org.      12502   IN      A       143.215.143.4
1.ns.spamhaus.org.      12502   IN      A       218.189.175.50
1.ns.spamhaus.org.      12502   IN      A       220.181.15.205
1.ns.spamhaus.org.      12502   IN      A       202.108.42.25


;; Query time: 489 msec
;; SERVER: 192.168.7.1#53(192.168.7.1)
;; WHEN: Thu Mar 13 12:40:40 2008
;; MSG SIZE rcvd: 511

dlugo@spot> dig 2.0.0.127.xbl-sbl.spamhaus.org

; <<>> DiG 9.2.3rc4 <<>> 2.0.0.127.xbl-sbl.spamhaus.org
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7751
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 7, ADDITIONAL: 8

;; QUESTION SECTION:
;2.0.0.127.xbl-sbl.spamhaus.org.        IN      A


;; ANSWER SECTION:
2.0.0.127.xbl-sbl.spamhaus.org. 172800 IN CNAME
blocklist.address.is.wrong.spamhaus.org.
blocklist.address.is.wrong.spamhaus.org. 172800 IN A 127.0.0.2

;; AUTHORITY SECTION:
spamhaus.org.           130773  IN      NS      ns8.spamhaus.org.
spamhaus.org.           130773  IN      NS      hq-ns.oarc.isc.org.
spamhaus.org.           130773  IN      NS      ns2.spamhaus.org.
spamhaus.org.           130773  IN      NS      ns3.spamhaus.org.
spamhaus.org.           130773  IN      NS      ns4.surfnet.nl.
spamhaus.org.           130773  IN      NS      ns3.xs4all.nl.
spamhaus.org.           130773  IN      NS      ns20.ja.net.


;; ADDITIONAL SECTION:
ns2.spamhaus.org.       130773  IN      A       207.241.224.5
hq-ns.oarc.isc.org.     870     IN      A       204.152.184.186
hq-ns.oarc.isc.org.     870     IN      AAAA    2001:4f8:0:2::41
ns4.surfnet.nl.         41246   IN      A       195.169.124.101
ns3.xs4all.nl.          41246   IN      A       194.109.9.101
ns20.ja.net.            41246   IN      A       194.82.174.6
ns8.spamhaus.org.       130773  IN      A       216.168.28.44
ns3.spamhaus.org.       130773  IN      A       192.150.94.200


;; Query time: 367 msec
;; SERVER: 192.168.7.1#53(192.168.7.1)
;; WHEN: Thu Mar 13 12:40:47 2008
;; MSG SIZE rcvd: 406


dlugo@spot> dig 2.0.0.127.sbl-xbl.spamhaus.org

; <<>> DiG 9.2.3rc4 <<>> 2.0.0.127.sbl-xbl.spamhaus.org
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13242
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 20, ADDITIONAL: 6

;; QUESTION SECTION:
;2.0.0.127.sbl-xbl.spamhaus.org.        IN      A


;; ANSWER SECTION:
2.0.0.127.sbl-xbl.spamhaus.org. 1800 IN A       127.0.0.2
2.0.0.127.sbl-xbl.spamhaus.org. 1800 IN A       127.0.0.4


;; AUTHORITY SECTION:
sbl-xbl.spamhaus.org.   44317   IN      NS      r.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      a.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      y.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      1.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      g.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      m.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      f.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      o.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      x.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      t.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      b.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      d.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      s.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      q.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      c.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      h.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      k.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      i.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      8.ns.spamhaus.org.
sbl-xbl.spamhaus.org.   44317   IN      NS      l.ns.spamhaus.org.


;; ADDITIONAL SECTION:
1.ns.spamhaus.org.      12439   IN      A       202.108.42.25
1.ns.spamhaus.org.      12439   IN      A       218.189.175.50
1.ns.spamhaus.org.      12439   IN      A       220.181.15.205
8.ns.spamhaus.org.      12439   IN      A       202.124.241.230
a.ns.spamhaus.org.      12439   IN      A       192.150.94.204
a.ns.spamhaus.org.      12439   IN      A       194.109.9.7


;; Query time: 90 msec
;; SERVER: 192.168.7.1#53(192.168.7.1)
;; WHEN: Thu Mar 13 12:41:43 2008
;; MSG SIZE rcvd: 499




-- 
--------------------------------------------------------
Dave Lugo   dlugo@???    LC Unit #260   TINLC
Have you hugged your firewall today?   No spam, thanks.
--------------------------------------------------------
Are you the police?  . . . .  No ma'am, we're sysadmins.