NIC
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... address mappings were maintained by the Network
Information Center (NIC) in a single file (HOSTS.TXT) which
was FTPed by all hosts ...
... FTP are used,
the outgoing FTP load on the NIC host is considerable.
Explosive growth in the number of hosts ...
... organizations were administering their own names and
addresses, but had to wait for the NIC to change HOSTS.TXT to
make changes visible to the Internet ...
... single domain name. Thus the mailbox
HOSTMASTER@SRI-NIC.ARPA is represented as a domain name by
...
... ARPA is represented as a domain name by
HOSTMASTER.SRI-NIC.ARPA. An appreciation for the reasons behind this
design also must take into account the scheme for mail exchanges [RFC-974 ...
... BRL NOSC DARPA | IN-ADDR SRI-NIC ACC
|
+--------+------------------+---------------+--------+
...
... BRL NOSC DARPA | IN-ADDR SRI-NIC ACC
|
+--------+------------------+---------------+--------+
...
... ARPA and A.ISI.EDU. The
EDU domain is served by SRI-NIC.ARPA. and C.ISI.EDU. Note that servers
may have zones which are contiguous or disjoint. In this scenario,
...
... management of the zone. The zone data
is maintained on host SRI-NIC.ARPA, and the responsible party for the
zone is HOSTMASTER@SRI-NIC ...
... NIC.ARPA, and the responsible party for the
zone is HOSTMASTER@SRI-NIC.ARPA. A key item in the SOA is the 86400
second minimum TTL ...
... Header | OPCODE=SQUERY |
+---------------------------------------------------+
Question | QNAME=SRI-NIC.ARPA., QCLASS=IN, QTYPE=A |
...
... AA |
+---------------------------------------------------+
Question | QNAME=SRI-NIC.ARPA., QCLASS=IN, QTYPE=A |
...
... IN, QTYPE=A |
+---------------------------------------------------+
Answer | SRI-NIC.ARPA. 86400 IN A 26.0.0.73 |
...
... If the same query was sent to some other server which was not
authoritative for SRI-NIC.ARPA, the response might be:
...
... Header | OPCODE=SQUERY,RESPONSE |
+---------------------------------------------------+
Question | QNAME=SRI-NIC.ARPA., QCLASS=IN, QTYPE=A |
...
... IN, QTYPE=A |
+---------------------------------------------------+
Answer | SRI-NIC.ARPA. 1777 IN A 10.0.0.51 |
...
... AA |
+---------------------------------------------------+
Question | QNAME=SRI-NIC.ARPA., QCLASS=IN, QTYPE=* |
...
... IN, QTYPE=* |
+---------------------------------------------------+
Answer | SRI-NIC.ARPA. 86400 IN A 26.0.0.73 |
...
... If a similar query was directed to two name servers which are not
authoritative for SRI-NIC.ARPA, the responses might be:
...
... Header | OPCODE=SQUERY, RESPONSE |
+---------------------------------------------------+
Question | QNAME=SRI-NIC.ARPA., QCLASS=IN, QTYPE=* |
...
... IN, QTYPE=* |
+---------------------------------------------------+
Answer | SRI-NIC.ARPA. 12345 IN A 26.0.0.73 |
...
... Header | OPCODE=SQUERY, RESPONSE |
+---------------------------------------------------+
Question | QNAME=SRI-NIC.ARPA., QCLASS=IN, QTYPE=* |
...
... IN, QTYPE=* |
+---------------------------------------------------+
Answer | SRI-NIC.ARPA. 1290 IN HINFO DEC-2060 TOPS20 |
...
... might be result from a mailer trying to look up
routing information for the mail destination HOSTMASTER@SRI-NIC.ARPA.
The response from C.ISI.EDU would be:
...
... AA |
+---------------------------------------------------+
Question | QNAME=SRI-NIC.ARPA., QCLASS=IN, QTYPE=MX |
...
... IN, QTYPE=MX |
+---------------------------------------------------+
Answer | SRI-NIC.ARPA. 86400 IN MX 0 SRI-NIC ...
... NIC.ARPA. 86400 IN MX 0 SRI-NIC.ARPA.|
+---------------------------------------------------+
...
... Authority | <empty> |
+---------------------------------------------------+
Additional | SRI-NIC.ARPA. 86400 IN A 26.0.0.73 |
...
... AA |
+---------------------------------------------------+
Question | QNAME=SRI-NIC.ARPA., QCLASS=IN, QTYPE=NS ...
... NE |
+---------------------------------------------------+
Question | QNAME=SIR-NIC.ARPA., QCLASS=IN, QTYPE=A |
...
... +---------------------------------------------------+
Authority | . SOA SRI-NIC.ARPA. HOSTMASTER.SRI-NIC.ARPA ...
... +---------------------------------------------------+
Additional | A.ISI.EDU. A 26.3.0.103 |
| SRI-NIC.ARPA. A 26.0.0.73 |
| A 10.0.0.51 |
...
... 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 ...
... addresses of the same servers, lastly retrying addresses already tried.
It might eventually receive a reply from SRI-NIC.ARPA:
...
... 1032, November 1987.
Describes the registration policies used by the NIC to administer the top level domains and delegate subzones. ...
Describes the registration policies used by the NIC to administer the top level domains and delegate subzones. ...