dns neprelozi nektere domeny
Jan Marek
jmarek na jcu.cz
Úterý Červenec 7 09:03:26 CEST 2015
Dobrý den,
tak asi je buďto někdo koupil, nebo předělávají DNS, nebo mají
nějaký bordel v DNS:
dig soundclound.com ns
; <<>> DiG 9.9.5-9-Ubuntu <<>> soundclound.com ns
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52705
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0,
ADDITIONAL: 7
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;soundclound.com. IN NS
;; ANSWER SECTION:
soundclound.com. 10800 IN NS b.dns.gandi.net.
soundclound.com. 10800 IN NS c.dns.gandi.net.
soundclound.com. 10800 IN NS a.dns.gandi.net.
;; ADDITIONAL SECTION:
a.dns.gandi.net. 78107 IN A 173.246.98.1
a.dns.gandi.net. 165405 IN AAAA 2604:3400:a::2
b.dns.gandi.net. 78107 IN A 213.167.229.1
b.dns.gandi.net. 165405 IN AAAA 2001:4b98:b:a::40
c.dns.gandi.net. 78107 IN A 217.70.179.1
c.dns.gandi.net. 165405 IN AAAA
2001:4b98:c:521::20
;; Query time: 31 msec
;; SERVER: 160.217.1.6#53(160.217.1.6)
;; WHEN: Tue Jul 07 08:55:59 CEST 2015
;; MSG SIZE rcvd: 237
dig @b.dns.gandi.net www.soundcloud.com
; <<>> DiG 9.9.5-9-Ubuntu <<>> @b.dns.gandi.net
www.soundcloud.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 38055
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.soundcloud.com. IN A
;; Query time: 30 msec
;; SERVER: 213.167.229.1#53(213.167.229.1)
;; WHEN: Tue Jul 07 08:56:28 CEST 2015
;; MSG SIZE rcvd: 47
dig @a.dns.gandi.net www.soundcloud.com
; <<>> DiG 9.9.5-9-Ubuntu <<>> @a.dns.gandi.net
www.soundcloud.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 45422
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.soundcloud.com. IN A
;; Query time: 31 msec
;; SERVER: 173.246.98.1#53(173.246.98.1)
;; WHEN: Tue Jul 07 08:58:06 CEST 2015
;; MSG SIZE rcvd: 47
dig @c.dns.gandi.net www.soundcloud.com
; <<>> DiG 9.9.5-9-Ubuntu <<>> @c.dns.gandi.net
www.soundcloud.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 15331
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.soundcloud.com. IN A
;; Query time: 31 msec
;; SERVER: 217.70.179.1#53(217.70.179.1)
;; WHEN: Tue Jul 07 08:58:25 CEST 2015
;; MSG SIZE rcvd: 47
Takže všechny jejich DNS servery, označené jako autoritativní,
dávají odpověď REFUSED. Je zajímavé, že jsem od svého unbounda
odpověď nakonec dostal - docela by mě zajímalo, kde ji získal...
Aha, tak už jsem na to přišel:
dig www.soundclound.com ns
; <<>> DiG 9.9.5-9-Ubuntu <<>> www.soundclound.com ns
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 51788
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1,
ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.soundclound.com. IN NS
;; ANSWER SECTION:
www.soundclound.com. 10141 IN CNAME
webredir.vip.gandi.net.
;; AUTHORITY SECTION:
gandi.net. 907 IN SOA dns0.gandi.net.
hostmaster.gandi.net. 2015063001 900 900 1209600 1200
;; Query time: 4 msec
;; SERVER: 160.217.1.6#53(160.217.1.6)
;; WHEN: Tue Jul 07 09:00:32 CEST 2015
;; MSG SIZE rcvd: 136
Navíc:
dig @dns0.gandi.net www.soundcloud.com
; <<>> DiG 9.9.5-9-Ubuntu <<>> @dns0.gandi.net www.soundcloud.com
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 24207
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.soundcloud.com. IN A
;; Query time: 31 msec
;; SERVER: 217.70.177.39#53(217.70.177.39)
;; WHEN: Tue Jul 07 09:02:10 CEST 2015
;; MSG SIZE rcvd: 47
Tak to jsou tedy odborníci... :-((((
Zdraví
Honza Marek
On Tue, Jul 07, 2015 at 08:51:36AM +0200, Jan Marek wrote:
> Dd,
>
> zkuste se na www.soundclound.com ptát postupně všech jejich DNS
> serverů...
>
> Zjistíte, že např. server ns1.p20.dynect.net na tento dotaz nic
> neodpoví (ostatní jsem nezkoušel)...
>
> Prostě mají podrbané DNS.
>
> Zdraví
> Honza Marek
>
> On Fri, Jul 03, 2015 at 04:46:15PM +0200, info na vysla.net wrote:
> > Dobry den.
> >
> > Mam problem s DNS serverem. Nepreklada mi domenu www.soundcloud.com .
> > Nejde mi ani dig , ale dig +trace preklad najde - viz vypisy dole.
> > System je debian wheezy a posledni bind9 balik.
> >
> > Nesetkal se nekdo s necim podobnym?
> >
> > Dik za kazdou radu .... VysLa
> >
> > ########## vypis dig #################
> > /etc/bind# dig www.soundcloud.com
> >
> > ; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> www.soundcloud.com
> > ;; global options: +cmd
> > ;; Got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 19746
> > ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
> >
> > ;; QUESTION SECTION:
> > ;www.soundcloud.com. IN A
> >
> > ;; Query time: 0 msec
> > ;; SERVER: 127.0.0.1#53(127.0.0.1)
> > ;; WHEN: Fri Jul 3 16:40:16 2015
> > ;; MSG SIZE rcvd: 36
> >
> > ######### vypis dig +trace ################
> > /etc/bind# dig +trace www.soundcloud.com
> >
> > ; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> +trace www.soundcloud.com
> > ;; global options: +cmd
> > . 1673 IN NS c.root-servers.net.
> > . 1673 IN NS j.root-servers.net.
> > . 1673 IN NS f.root-servers.net.
> > . 1673 IN NS m.root-servers.net.
> > . 1673 IN NS b.root-servers.net.
> > . 1673 IN NS a.root-servers.net.
> > . 1673 IN NS g.root-servers.net.
> > . 1673 IN NS k.root-servers.net.
> > . 1673 IN NS i.root-servers.net.
> > . 1673 IN NS l.root-servers.net.
> > . 1673 IN NS h.root-servers.net.
> > . 1673 IN NS d.root-servers.net.
> > . 1673 IN NS e.root-servers.net.
> > ;; Received 496 bytes from 127.0.0.1#53(127.0.0.1) in 3 ms
> >
> > com. 172800 IN NS b.gtld-servers.net.
> > com. 172800 IN NS e.gtld-servers.net.
> > com. 172800 IN NS g.gtld-servers.net.
> > com. 172800 IN NS k.gtld-servers.net.
> > com. 172800 IN NS d.gtld-servers.net.
> > com. 172800 IN NS f.gtld-servers.net.
> > com. 172800 IN NS j.gtld-servers.net.
> > com. 172800 IN NS m.gtld-servers.net.
> > com. 172800 IN NS i.gtld-servers.net.
> > com. 172800 IN NS a.gtld-servers.net.
> > com. 172800 IN NS c.gtld-servers.net.
> > com. 172800 IN NS l.gtld-servers.net.
> > com. 172800 IN NS h.gtld-servers.net.
> > ;; Received 508 bytes from 192.36.148.17#53(192.36.148.17) in 16 ms
> >
> > soundcloud.com. 172800 IN NS ns1.p20.dynect.net.
> > soundcloud.com. 172800 IN NS ns3.p20.dynect.net.
> > soundcloud.com. 172800 IN NS ns2.p20.dynect.net.
> > soundcloud.com. 172800 IN NS ns4.p20.dynect.net.
> > ;; Received 186 bytes from 192.55.83.30#53(192.55.83.30) in 139 ms
> >
> > www.soundcloud.com. 3600 IN CNAME cs97.wac.edgecastcdn.net.
> > ;; Received 74 bytes from 204.13.251.20#53(204.13.251.20) in 21 ms
> >
> > . 1673 IN NS d.root-servers.net.
> > . 1673 IN NS f.root-servers.net.
> > . 1673 IN NS h.root-servers.net.
> > . 1673 IN NS e.root-servers.net.
> > . 1673 IN NS a.root-servers.net.
> > . 1673 IN NS k.root-servers.net.
> > . 1673 IN NS b.root-servers.net.
> > . 1673 IN NS i.root-servers.net.
> > . 1673 IN NS c.root-servers.net.
> > . 1673 IN NS j.root-servers.net.
> > . 1673 IN NS l.root-servers.net.
> > . 1673 IN NS g.root-servers.net.
> > . 1673 IN NS m.root-servers.net.
> > ;; Received 496 bytes from 127.0.0.1#53(127.0.0.1) in 3 ms
> >
> > . 86400 IN SOA a.root-servers.net.
> > nstld.verisign-grs.com. 2015070300 1800 900 604800 86400
> > ;; Received 105 bytes from 193.0.14.129#53(193.0.14.129) in 13 ms
> >
> > _______________________________________________
> > Linux mailing list
> > Linux na linux.cz
> > http://www.linux.cz/mailman/listinfo/linux
>
> --
> Ing. Jan Marek | Nez mi poslete prilohu .doc, .xls
> University of South Bohemia | nebo .ppt, prectete si, prosim,
> Academic Computer Centre | WWW stranku uvedenou na poslednim
> Phone: +420-38-9032080 | radku signatury...
> http://www.gnu.org/philosophy/no-word-attachments.cs.html
> _______________________________________________
> Linux mailing list
> Linux na linux.cz
> http://www.linux.cz/mailman/listinfo/linux
--
Ing. Jan Marek | Nez mi poslete prilohu .doc, .xls
University of South Bohemia | nebo .ppt, prectete si, prosim,
Academic Computer Centre | WWW stranku uvedenou na poslednim
Phone: +420-38-9032080 | radku signatury...
http://www.gnu.org/philosophy/no-word-attachments.cs.html
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