8 Linux Nslookup yayi Umarnin magance matsalar DNS
nslookup kayan aiki ne na layin umarni don gwaji da kuma magance matsalolin sabobin DNS (Server Name Server). Ana amfani dashi don bincika takamaiman bayanan albarkatun DNS (RR) kuma. Yawancin tsarin aiki suna zuwa tare da fasalin nslookup.
Wannan labarin yana nuna umarnin nslookup da akayi amfani dashi dalla-dalla. Nslookup za a iya gudanar da shi ta hanyoyi biyu: Tattaunawa da marasa ma'amala. Ana amfani da yanayin Hulɗa don tambayar DNS-Server game da yankuna da rundunoni daban-daban. Ana amfani da yanayin Hanya mara ma'amala don tambaya game da bayanin yanki ko mai masauki.
Hakanan kuna iya sha'awar bin labarin:
- Misalai masu Amfani 35 na Linux Nemo Umurnin
- Dokokin Netstat guda 20 don Gudanar da Sadarwar Sadarwar Linux
- 20 Linux YUM (Yellowdog Updater, Mai Gyara) Dokoki don Gudanar da Kunshin
# nslookup yahoo.com Server: 4.2.2.2 Address: 4.2.2.2#53 Non-authoritative answer: Name: yahoo.com Address: 72.30.38.140 Name: yahoo.com Address: 98.139.183.24 Name: yahoo.com Address: 209.191.122.70
A sama yankin tambaya mai umarni www.yahoo.com tare da uwar garken DNS na 4.2.2.2 na jama'a da kuma ɓangaren da ke ƙasa yana nuna Amsar da ba ta izini ba: tana nuna Rikodi na www.yahoo.com
# nslookup 209.191.122.70 Server: 4.2.2.2 Address: 4.2.2.2#53 Non-authoritative answer: 70.122.191.209.in-addr.arpa name = ir1.fp.vip.mud.yahoo.com. Authoritative answers can be found from:
# nslookup ir1.fp.vip.mud.yahoo.com. Server: 4.2.2.2 Address: 4.2.2.2#53 Non-authoritative answer: Name: ir1.fp.vip.mud.yahoo.com Address: 209.191.122.70
# nslookup -query=mx www.yahoo.com
Server: 4.2.2.2
Address: 4.2.2.2#53
Non-authoritative answer:
www.yahoo.com canonical name = fd-fp3.wg1.b.yahoo.com.
fd-fp3.wg1.b.yahoo.com canonical name = ds-fp3.wg1.b.yahoo.com.
ds-fp3.wg1.b.yahoo.com canonical name = ds-any-fp3-lfb.wa1.b.yahoo.com.
ds-any-fp3-lfb.wa1.b.yahoo.com canonical name = ds-any-fp3-real.wa1.b.yahoo.com.
Authoritative answers can be found from:
wa1.b.yahoo.com
origin = yf1.yahoo.com
mail addr = hostmaster.yahoo-inc.com
serial = 1344827307
refresh = 30
retry = 30
expire = 86400
minimum = 1800
Ana amfani da rikodin MX don tsara sunan yanki zuwa jerin sabobin musayar wasiƙa don wannan yankin. Don haka yana nuna cewa duk wasiƙar da aka karɓa/aika zuwa @ yahoo.com za a juya zuwa uwar garken wasiku.
# nslookup -query=ns www.yahoo.com
Server: 4.2.2.2
Address: 4.2.2.2#53
Non-authoritative answer:
www.yahoo.com canonical name = fd-fp3.wg1.b.yahoo.com.
fd-fp3.wg1.b.yahoo.com canonical name = ds-fp3.wg1.b.yahoo.com.
ds-fp3.wg1.b.yahoo.com canonical name = ds-any-fp3-lfb.wa1.b.yahoo.com.
ds-any-fp3-lfb.wa1.b.yahoo.com canonical name = ds-any-fp3-real.wa1.b.yahoo.com.
Authoritative answers can be found from:
wa1.b.yahoo.com
origin = yf1.yahoo.com
mail addr = hostmaster.yahoo-inc.com
serial = 1344827782
refresh = 30
retry = 30
expire = 86400
minimum = 1800# nslookup -type=soa www.yahoo.com
Server: 4.2.2.2
Address: 4.2.2.2#53
Non-authoritative answer:
www.yahoo.com canonical name = fd-fp3.wg1.b.yahoo.com.
fd-fp3.wg1.b.yahoo.com canonical name = ds-fp3.wg1.b.yahoo.com.
ds-fp3.wg1.b.yahoo.com canonical name = ds-any-fp3-lfb.wa1.b.yahoo.com.
ds-any-fp3-lfb.wa1.b.yahoo.com canonical name = ds-any-fp3-real.wa1.b.yahoo.com.
Authoritative answers can be found from:
wa1.b.yahoo.com
origin = yf1.yahoo.com
mail addr = hostmaster.yahoo-inc.com
serial = 1344827965
refresh = 30
retry = 30
expire = 86400
minimum = 1800# nslookup -query=any yahoo.com
Server: 4.2.2.2
Address: 4.2.2.2#53
Non-authoritative answer:
yahoo.com
origin = ns1.yahoo.com
mail addr = hostmaster.yahoo-inc.com
serial = 2012081016
refresh = 3600
retry = 300
expire = 1814400
minimum = 600
Name: yahoo.com
Address: 98.139.183.24
Name: yahoo.com
Address: 209.191.122.70
Name: yahoo.com
Address: 72.30.38.140
yahoo.com mail exchanger = 1 mta7.am0.yahoodns.net.
yahoo.com mail exchanger = 1 mta5.am0.yahoodns.net.
yahoo.com mail exchanger = 1 mta6.am0.yahoodns.net.
yahoo.com nameserver = ns3.yahoo.com.
yahoo.com nameserver = ns4.yahoo.com.
yahoo.com nameserver = ns2.yahoo.com.
yahoo.com nameserver = ns8.yahoo.com.
yahoo.com nameserver = ns1.yahoo.com.
yahoo.com nameserver = ns6.yahoo.com.
yahoo.com nameserver = ns5.yahoo.com.
Authoritative answers can be found from:Don kunna Yanayin Debug 'set debug' zai dawo muku da maganganun maganganu kamar TTL, ga fitarwa.
# nslookup -debug yahoo.com
> set debug
> yahoo.com
Server: 4.2.2.2
Address: 4.2.2.2#53
------------
QUESTIONS:
yahoo.com, type = A, class = IN
ANSWERS:
-> yahoo.com
internet address = 72.30.38.140
ttl = 1523
-> yahoo.com
internet address = 98.139.183.24
ttl = 1523
-> yahoo.com
internet address = 209.191.122.70
ttl = 1523
AUTHORITY RECORDS:
ADDITIONAL RECORDS:
------------
Non-authoritative answer:
Name: yahoo.com
Address: 72.30.38.140
Name: yahoo.com
Address: 98.139.183.24
Name: yahoo.com
Address: 209.191.122.70A cikin wannan labarin, munyi ƙoƙari don rufe dokokin nslookup waɗanda zasu iya taimaka muku bincika bayanan DNS Sabis ɗin Sunan Yanki. Labari na gaba zai kasance akan umarnin Linux Dig wanda yayi kama da nslookup. Idan kuna son labarin don Allah ku raba tare da abokanka kuma kar ku manta da bayar da martanin ku mai mahimmanci ta hanyar akwatin magana.