DNS Troubleshooting

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C:\Users>nslookup -debug connect.dod.mil 8.8.8.8------------Got answer: HEADER: opcode = QUERY, id = 1, rcode = NOERROR header flags: response, want recursion, recursion avail. questions = 1, answers = 1, authority records = 0, additional = 0 QUESTIONS: 8.8.8.8.in-addr.arpa, type = PTR, class = IN ANSWERS: -> 8.8.8.8.in-addr.arpa name = google-public-dns-a.google.com ttl = 21599 (5 hours 59 mins 59 secs)------------Server: google-public-dns-a.google.comAddress: 8.8.8.8DNS request timed out. timeout was 2 seconds.timeout (2 secs)DNS request timed out. timeout was 2 seconds.timeout (2 secs)------------Got answer: HEADER: opcode = QUERY, id = 4, rcode = NXDOMAIN header flags: response, want recursion, recursion avail. questions = 1, answers = 0, authority records = 1, additional = 0 QUESTIONS: connect.dod.mil, type = A, class = IN AUTHORITY RECORDS: -> dod.mil ttl = 1799 (29 mins 59 secs) primary name server = dns-mas-a1-t.pentagon.mil responsible mail addr = sysadmin.pentagon.mil serial = 2006062844 refresh = 900 (15 mins) retry = 90 (1 min 30 secs) expire = 2592000 (30 days) default TTL = 3600 (1 hour)------------------------Got answer: HEADER: opcode = QUERY, id = 5, rcode = NXDOMAIN header flags: response, want recursion, recursion avail. questions = 1, answers = 0, authority records = 1, additional = 0 QUESTIONS: connect.dod.mil, type = AAAA, class = IN AUTHORITY RECORDS: -> dod.mil ttl = 1799 (29 mins 59 secs) primary name server = dns-mas-a1-t.pentagon.mil responsible mail addr = sysadmin.pentagon.mil serial = 2006062844 refresh = 900 (15 mins) retry = 90 (1 min 30 secs) expire = 2592000 (30 days) default TTL = 3600 (1 hour)------------*** google-public-dns-a.google.com can't find connect.dod.mil: Non-existent domain==============================================================================================C:\Users>nslookup -debug dco.dod.mil 8.8.8.8------------Got answer: HEADER: opcode = QUERY, id = 1, rcode = NOERROR header flags: response, want recursion, recursion avail. questions = 1, answers = 1, authority records = 0, additional = 0 QUESTIONS: 8.8.8.8.in-addr.arpa, type = PTR, class = IN ANSWERS: -> 8.8.8.8.in-addr.arpa name = google-public-dns-a.google.com ttl = 21599 (5 hours 59 mins 59 secs)------------Server: google-public-dns-a.google.comAddress: 8.8.8.8DNS request timed out. timeout was 2 seconds.timeout (2 secs)DNS request timed out. timeout was 2 seconds.timeout (2 secs)------------Got answer: HEADER: opcode = QUERY, id = 4, rcode = NOERROR header flags: response, want recursion, recursion avail. questions = 1, answers = 0, authority records = 1, additional = 0 QUESTIONS: dco.dod.mil, type = A, class = IN AUTHORITY RECORDS: -> dco.dod.mil ttl = 1092 (18 mins 12 secs) primary name server = guv10m01.mont.disa.mil responsible mail addr = mon-cccac.csd.disa.mil serial = 2013101901 refresh = 3600 (1 hour) retry = 900 (15 mins) expire = 2592000 (30 days) default TTL = 3600 (1 hour)------------------------Got answer: HEADER: opcode = QUERY, id = 5, rcode = NOERROR header flags: response, want recursion, recursion avail. questions = 1, answers = 0, authority records = 1, additional = 0 QUESTIONS: dco.dod.mil, type = AAAA, class = IN AUTHORITY RECORDS: -> dco.dod.mil ttl = 1799 (29 mins 59 secs) primary name server = guv10m01.mont.disa.mil responsible mail addr = mon-cccac.csd.disa.mil serial = 2013101901 refresh = 3600 (1 hour) retry = 900 (15 mins) expire = 2592000 (30 days) default TTL = 3600 (1 hour)------------Name: dco.dod.mil==============================================================================================C:\Users>nslookup connect.dco.dod.mil 4.2.2.1Server: a.resolvers.level3.netAddress: 4.2.2.1DNS request timed out. timeout was 2 seconds.DNS request timed out. timeout was 2 seconds.Non-authoritative answer:Name: connect.dco.dod.milAddress: 156.112.67.84==============================================================================================C:\Users>nslookup connect.dco.dod.mil 4.2.2.2Server: b.resolvers.Level3.netAddress: 4.2.2.2DNS request timed out. timeout was 2 seconds.DNS request timed out. timeout was 2 seconds.Non-authoritative answer:Name: connect.dco.dod.milAddress: 156.112.67.84==============================================================================================C:\Users>nslookup connect.dco.dod.mil 208.67.220.220Server: resolver2.opendns.comAddress: 208.67.220.220DNS request timed out. timeout was 2 seconds.DNS request timed out. timeout was 2 seconds.Non-authoritative answer:Name: connect.dco.dod.milAddress: 156.112.67.84==============================================================================================C:\Users>nslookup connect.dco.dod.mil 208.67.222.222Server: resolver1.opendns.comAddress: 208.67.222.222DNS request timed out. timeout was 2 seconds.DNS request timed out. timeout was 2 seconds.Non-authoritative answer:Name: connect.dco.dod.milAddress: 156.112.67.84