El 27/02/17 a las 14:22, Ulises Gonzalez escribió:
On 02/27/2017 12:50 PM, Paradix ;) wrote:

root@zeus:/etc/bind# host www.sld.cu
;; connection timed out; no servers could be reached

Dicho sea de paso, habia metido un delicado vaciando db.root, lo
restaure, pero con forwarders y sin ellos, el bind se tira a consultar a
los root servers ... dime algo gonzalez


Esa iba a ser mi pr'oxima pregunta, que ten'ias en db.root, deben haber
unos 13 servidores, haz esta prueba solo para ver

nslookup www.sld.cu pues esta te pone que servidor estas consultando,
que por cierto espero que seas t'u  mismo y que no tengas un firewall
bloqueando el puerto 53 UDP, lee bien UDP..


root@zeus:/etc/bind# nslookup www.sld.cu
Server:         192.168.1.2
Address:        192.168.1.2#53

** server can't find www.sld.cu: NXDOMAIN

En /var/log/syslog cuando hago esto me sale:

Feb 27 14:44:29 zeus named[4113]: error (unexpected RCODE REFUSED) resolving './DNSKEY/IN': 201.220.222.132#53 Feb 27 14:44:29 zeus named[4113]: error (unexpected RCODE REFUSED) resolving './NS/IN': 201.220.222.132#53 Feb 27 14:44:29 zeus named[4113]: error (unexpected RCODE REFUSED) resolving './DNSKEY/IN': 201.220.222.131#53 Feb 27 14:44:29 zeus named[4113]: error (unexpected RCODE REFUSED) resolving './NS/IN': 201.220.222.131#53 Feb 27 14:44:29 zeus named[4113]: error (host unreachable) resolving './DNSKEY/IN': 192.5.5.241#53 Feb 27 14:44:29 zeus named[4113]: error (network unreachable) resolving './DNSKEY/IN': 2001:500:1::803f:235#53 Feb 27 14:44:30 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:500:1::803f:235#53 Feb 27 14:44:30 zeus named[4113]: error (network unreachable) resolving './DNSKEY/IN': 2001:dc3::35#53 Feb 27 14:44:30 zeus named[4113]: error (network unreachable) resolving './DNSKEY/IN': 2001:503:ba3e::2:30#53 Feb 27 14:44:30 zeus named[4113]: error (network unreachable) resolving './DNSKEY/IN': 2001:7fd::1#53 Feb 27 14:44:30 zeus named[4113]: error (network unreachable) resolving './DNSKEY/IN': 2001:503:c27::2:30#53 Feb 27 14:44:30 zeus named[4113]: error (network unreachable) resolving './DNSKEY/IN': 2001:500:3::42#53 Feb 27 14:44:30 zeus named[4113]: error (host unreachable) resolving './NS/IN': 192.33.4.12#53 Feb 27 14:44:30 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:dc3::35#53 Feb 27 14:44:30 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:503:ba3e::2:30#53 Feb 27 14:44:30 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:7fd::1#53 Feb 27 14:44:30 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:503:c27::2:30#53 Feb 27 14:44:30 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:500:3::42#53 Feb 27 14:44:32 zeus named[4113]: error (host unreachable) resolving './DNSKEY/IN': 192.203.230.10#53 Feb 27 14:44:33 zeus named[4113]: error (host unreachable) resolving './NS/IN': 192.112.36.4#53 Feb 27 14:44:34 zeus named[4113]: error (network unreachable) resolving './DNSKEY/IN': 2001:500:2f::f#53 Feb 27 14:44:34 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:500:2f::f#53 Feb 27 14:44:34 zeus named[4113]: error (host unreachable) resolving './DNSKEY/IN': 128.63.2.53#53 Feb 27 14:44:35 zeus named[4113]: error (host unreachable) resolving './NS/IN': 198.41.0.4#53 Feb 27 14:44:37 zeus named[4113]: error (host unreachable) resolving './DNSKEY/IN': 192.58.128.30#53 Feb 27 14:44:37 zeus named[4113]: error (host unreachable) resolving './DNSKEY/IN': 199.7.83.42#53 Feb 27 14:44:37 zeus named[4113]: error (network unreachable) resolving './DNSKEY/IN': 2001:500:2d::d#53 Feb 27 14:44:37 zeus named[4113]: error (network unreachable) resolving './DNSKEY/IN': 2001:7fe::53#53 Feb 27 14:44:38 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:500:2d::d#53 Feb 27 14:44:38 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:7fe::53#53 Feb 27 14:44:38 zeus named[4113]: error (host unreachable) resolving './DNSKEY/IN': 202.12.27.33#53 Feb 27 14:44:39 zeus named[4113]: error (host unreachable) resolving './DNSKEY/IN': 198.41.0.4#53 Feb 27 14:44:39 zeus named[4113]: managed-keys-zone: Unable to fetch DNSKEY set '.': timed out Feb 27 14:44:45 zeus named[4113]: error (unexpected RCODE REFUSED) resolving 'zeus/AAAA/IN': 201.220.222.132#53 Feb 27 14:44:45 zeus named[4113]: error (unexpected RCODE REFUSED) resolving './NS/IN': 201.220.222.132#53 Feb 27 14:44:45 zeus named[4113]: error (unexpected RCODE REFUSED) resolving 'zeus/AAAA/IN': 201.220.222.131#53 Feb 27 14:44:45 zeus named[4113]: error (network unreachable) resolving 'zeus/AAAA/IN': 2001:500:1::803f:235#53 Feb 27 14:44:45 zeus named[4113]: error (network unreachable) resolving 'zeus/AAAA/IN': 2001:dc3::35#53 Feb 27 14:44:45 zeus named[4113]: error (network unreachable) resolving 'zeus/AAAA/IN': 2001:503:ba3e::2:30#53 Feb 27 14:44:45 zeus named[4113]: error (network unreachable) resolving 'zeus/AAAA/IN': 2001:7fd::1#53 Feb 27 14:44:45 zeus named[4113]: error (network unreachable) resolving 'zeus/AAAA/IN': 2001:503:c27::2:30#53 Feb 27 14:44:45 zeus named[4113]: error (network unreachable) resolving 'zeus/AAAA/IN': 2001:500:3::42#53 Feb 27 14:44:45 zeus named[4113]: error (unexpected RCODE REFUSED) resolving './NS/IN': 201.220.222.131#53 Feb 27 14:44:45 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:500:1::803f:235#53 Feb 27 14:44:45 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:dc3::35#53 Feb 27 14:44:45 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:503:ba3e::2:30#53 Feb 27 14:44:45 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:7fd::1#53 Feb 27 14:44:45 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:503:c27::2:30#53 Feb 27 14:44:45 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:500:3::42#53 Feb 27 14:44:45 zeus named[4113]: error (host unreachable) resolving 'zeus/AAAA/IN': 199.7.91.13#53 Feb 27 14:44:46 zeus named[4113]: error (host unreachable) resolving './NS/IN': 192.36.148.17#53 Feb 27 14:44:47 zeus named[4113]: error (network unreachable) resolving 'zeus/AAAA/IN': 2001:500:2f::f#53 Feb 27 14:44:47 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:500:2f::f#53 Feb 27 14:44:47 zeus named[4113]: error (host unreachable) resolving 'zeus/AAAA/IN': 192.112.36.4#53 Feb 27 14:44:48 zeus named[4113]: error (host unreachable) resolving './NS/IN': 192.228.79.201#53 Feb 27 14:44:49 zeus named[4113]: error (host unreachable) resolving './NS/IN': 128.63.2.53#53 Feb 27 14:44:49 zeus named[4113]: error (host unreachable) resolving 'zeus/AAAA/IN': 202.12.27.33#53 Feb 27 14:44:51 zeus named[4113]: error (host unreachable) resolving 'zeus/AAAA/IN': 193.0.14.129#53 Feb 27 14:44:52 zeus named[4113]: error (network unreachable) resolving 'zeus/AAAA/IN': 2001:500:2d::d#53 Feb 27 14:44:52 zeus named[4113]: error (network unreachable) resolving 'zeus/AAAA/IN': 2001:7fe::53#53 Feb 27 14:44:53 zeus named[4113]: error (host unreachable) resolving 'zeus/AAAA/IN': 192.5.5.241#53 Feb 27 14:44:53 zeus named[4113]: error (unexpected RCODE REFUSED) resolving 'C.ROOT-SERVERS.NET/AAAA/IN': 201.220.222.132#53 Feb 27 14:44:53 zeus named[4113]: error (host unreachable) resolving 'zeus/AAAA/IN': 192.36.148.17#53 Feb 27 14:44:53 zeus named[4113]: error (unexpected RCODE REFUSED) resolving 'B.ROOT-SERVERS.NET/AAAA/IN': 201.220.222.132#53 Feb 27 14:44:53 zeus named[4113]: error (unexpected RCODE REFUSED) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 201.220.222.132#53 Feb 27 14:44:53 zeus named[4113]: error (unexpected RCODE REFUSED) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 201.220.222.132#53 Feb 27 14:44:53 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:500:2d::d#53 Feb 27 14:44:53 zeus named[4113]: error (network unreachable) resolving './NS/IN': 2001:7fe::53#53 Feb 27 14:44:53 zeus named[4113]: error (unexpected RCODE REFUSED) resolving 'C.ROOT-SERVERS.NET/AAAA/IN': 201.220.222.131#53 Feb 27 14:44:54 zeus named[4113]: error (unexpected RCODE REFUSED) resolving 'B.ROOT-SERVERS.NET/AAAA/IN': 201.220.222.131#53 Feb 27 14:44:54 zeus named[4113]: error (unexpected RCODE REFUSED) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 201.220.222.131#53 Feb 27 14:44:54 zeus named[4113]: error (unexpected RCODE REFUSED) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 201.220.222.131#53 Feb 27 14:44:56 zeus named[4113]: error (host unreachable) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 192.36.148.17#53 Feb 27 14:44:57 zeus named[4113]: error (host unreachable) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 192.203.230.10#53 Feb 27 14:44:57 zeus named[4113]: error (network unreachable) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 2001:500:2f::f#53 Feb 27 14:44:57 zeus named[4113]: error (network unreachable) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 2001:500:2f::f#53 Feb 27 14:44:58 zeus named[4113]: error (network unreachable) resolving 'B.ROOT-SERVERS.NET/AAAA/IN': 2001:500:2f::f#53 Feb 27 14:44:58 zeus named[4113]: error (network unreachable) resolving 'C.ROOT-SERVERS.NET/AAAA/IN': 2001:500:2f::f#53 Feb 27 14:44:58 zeus named[4113]: error (host unreachable) resolving 'B.ROOT-SERVERS.NET/AAAA/IN': 192.112.36.4#53 Feb 27 14:44:59 zeus named[4113]: error (host unreachable) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 128.63.2.53#53 Feb 27 14:44:59 zeus named[4113]: error (host unreachable) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 199.7.83.42#53 Feb 27 14:45:01 zeus named[4113]: error (network unreachable) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 2001:503:ba3e::2:30#53 Feb 27 14:45:01 zeus named[4113]: error (network unreachable) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 2001:dc3::35#53 Feb 27 14:45:01 zeus named[4113]: error (network unreachable) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 2001:7fd::1#53 Feb 27 14:45:01 zeus named[4113]: error (network unreachable) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 2001:500:2d::d#53 Feb 27 14:45:01 zeus named[4113]: error (network unreachable) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 2001:7fe::53#53 Feb 27 14:45:02 zeus named[4113]: error (network unreachable) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 2001:503:c27::2:30#53 Feb 27 14:45:02 zeus named[4113]: error (network unreachable) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 2001:500:1::803f:235#53 Feb 27 14:45:02 zeus named[4113]: error (network unreachable) resolving 'G.ROOT-SERVERS.NET/AAAA/IN': 2001:500:3::42#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 2001:503:ba3e::2:30#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 2001:dc3::35#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 2001:7fd::1#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 2001:500:2d::d#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 2001:7fe::53#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'B.ROOT-SERVERS.NET/AAAA/IN': 2001:503:ba3e::2:30#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'B.ROOT-SERVERS.NET/AAAA/IN': 2001:dc3::35#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'B.ROOT-SERVERS.NET/AAAA/IN': 2001:7fd::1#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'B.ROOT-SERVERS.NET/AAAA/IN': 2001:500:2d::d#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'B.ROOT-SERVERS.NET/AAAA/IN': 2001:7fe::53#53 Feb 27 14:45:03 zeus named[4113]: error (host unreachable) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 192.5.5.241#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 2001:503:c27::2:30#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 2001:500:1::803f:235#53 Feb 27 14:45:03 zeus named[4113]: error (network unreachable) resolving 'E.ROOT-SERVERS.NET/AAAA/IN': 2001:500:3::42#53

perdón por lo largo

--
Paradix  ;)

Haciendo abogacía por el software libre adonde voy

--
Este mensaje le ha llegado mediante el servicio de correo electronico que 
ofrece Infomed para respaldar el cumplimiento de las misiones del Sistema 
Nacional de Salud. La persona que envia este correo asume el compromiso de usar 
el servicio a tales fines y cumplir con las regulaciones establecidas

Infomed: http://www.sld.cu/

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