6.2.6. QNAME=BRL.MIL, QTYPE=A

Connected: An Internet Encyclopedia
6.2.6. QNAME=BRL.MIL, QTYPE=A

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6.2.6. QNAME=BRL.MIL, QTYPE=A

If this query is sent to C.ISI.EDU, the reply would be:

               +---------------------------------------------------+
    Header     | OPCODE=SQUERY, RESPONSE                           |
               +---------------------------------------------------+
    Question   | QNAME=BRL.MIL, QCLASS=IN, QTYPE=A                 |
               +---------------------------------------------------+
    Answer     | <empty>                                           |
               +---------------------------------------------------+
    Authority  | MIL.             86400 IN NS       SRI-NIC.ARPA.  |
               |                  86400    NS       A.ISI.EDU.     |
               +---------------------------------------------------+
    Additional | A.ISI.EDU.                A        26.3.0.103     |
               | SRI-NIC.ARPA.             A        26.0.0.73      |
               |                           A        10.0.0.51      |
               +---------------------------------------------------+

This response has an empty answer section, but is not authoritative, so it is a referral. The name server on C.ISI.EDU, realizing that it is not authoritative for the MIL domain, has referred the requester to servers on A.ISI.EDU and SRI-NIC.ARPA, which it knows are authoritative for the MIL domain.

Next: 6.2.7. QNAME=USC-ISIC.ARPA, QTYPE=A

Connected: An Internet Encyclopedia
6.2.6. QNAME=BRL.MIL, QTYPE=A