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Topic: AAAA record


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In the News (Sun 20 Dec 09)

  
  IPv6 - Wikipedia, the free encyclopedia
This scheme, which is a straightforward adaptation of the familiar A record and in-addr.arpa schemes, is defined in RFC 3596.
The AAAA scheme was one of two proposals at the time the IPv6 architecture was being designed.
ICANN announced on 20 July 2004 that the IPv6 AAAA records for the Japan (.jp) and Korea (.kr) country code Top Level Domain (ccTLD) nameservers became visible in the DNS root server zone files with serial number 2004072000.
en.wikipedia.org /wiki/AAAA_record   (2838 words)

  
 [No title]
AAAA records AAAA records have been used on IPv6 network (also known as 6bone) since it has started in 1996 and has been working just fine ever since.
AAAA record is a straight extension of A record; it needs a single query- response roundtrip to resolve a name into an IPv6 address.
With record types other than A6, we had no such problem, since we have never tried to reassemble an address out of multiple DNS records (with CNAME chain chasing a similar problem can arise, but the failure mode is much simpler to diagnose as the records are considered as an atomic entity).
www.ietf.org /proceedings/02mar/I-D/draft-ietf-dnsext-aaaa-a6-01.txt   (3899 words)

  
 RFC 2874
Such administrators can do automatic generation of AAAA records for all of a zone's names which own A6 records by a process which mimics the resolution of a hostname to an IPv6 address (see section 3.1.4).
For full robustness, those A6 records which were in different zones should be monitored for changes (in TTL or RDATA) even when there are no changes to zone for which AAAA records are being generated.
All mentions of AAAA records in that document are henceforth to be interpreted as meaning A6 and/or AAAA records in the order specified in the previous paragraph.
library.n0i.net /rfc/html/rfc2874.html   (4622 words)

  
 [No title]
The zone file parser is smart enough to know how many fields the record data for a given record type needs; once all the fields for a given record type is processed, the parser parses the next entry it sees as the name for the next record to process.
FQDN4 records are not permitted in a csv2_default_zonefile.
CNAME records are not permitted in a csv2_default_zonefile.
www.maradns.org /tutorial/man.csv2.html   (1379 words)

  
 AAAA : News
With AAAA you don't need to be young, married, wealthy or a homeowner to adopt or become a bridge foster parent.
AAAA's bridge foster parents are generally licensed within six months of completing the initial application.
AAAA also evaluates juvenile records of children 11 years and older that reside in your home.
www.afadopt.org /AAAANewsCenter/FAQ.asp   (1384 words)

  
 Chapter 8 - IPv6 AAAA Address Record
The current IETF recommendation is to use AAAA (Quad A) RR for forward mapping and PTR RRs for reverse mapping when defining IPv6 networks.
The IPv6 AAAA RR is defined in RFC 3596.
The order in which AAAA RRs are defined is not significant but it may be easier to define them in either an ascending or descending order of IP address since this can prevent unintentional duplicate definitions.
www.zytrax.com /books/dns/ch8/aaaa.html   (469 words)

  
 The GNU Awk User's Guide
run, the new value is used to delimit subsequent records, but the record currently being processed, as well as records already processed, are not affected.
In general, each record ends at the next string that matches the regular expression; the next record starts at the end of the matching string.
The best way to treat a whole file as a single record is to simply read the file in, one record at a time, concatenating each record onto the end of the previous ones.
wwwacs.gantep.edu.tr /docs/gawk/Records.html   (931 words)

  
 What is IPv6   (Site not responding. Last check: 2007-11-03)
There are new records in DNS for IPv6, which support the ease of maintenance and mobility which are hallmarks of IPv6.
AAAA records are supported in older versions of BIND, such as BIND version 8.
The DNAME record is similar to the CNAME record, and is used to reference the Provider's prefix in PTR records.
www.opus1.com /ipv6/howdoesdnswork.html   (653 words)

  
 AAAA - Wikipedia, the free encyclopedia
AAAA battery, a 1.5 volt battery, smaller than the AAA size
AAAA record, also known as 'IPv6 address record', maps a hostname to a 128-bit IPv6 address in the Domain Name System (DNS)
Baseball slang: AAAA, a player who is too good for Minor League Baseball, but not good enough for Major League Baseball
en.wikipedia.org /wiki/AAAA   (173 words)

  
 anders.com: djbdns / tinydns Record Builder
TXT records are somewhat of a catch-all DNS record.
SPF records are part of a larger effort to reduce spam by describing a framework where mailservers can check through DNS to see if a host sending an email is authorized to send for that domain.
Usually this isn't a problem, but if your records are longer than 127 characters and you don't want to trust arbitrary client DNS implementations to reconstruct your SPF records, a generic record can be used instead.
www.anders.com /projects/sysadmin/djbdnsRecordBuilder   (1350 words)

  
 [No title]   (Site not responding. Last check: 2007-11-03)
The A6 record is not the preferred record for name resolution with IPv6, because it has been set aside for experimental purpose.
The AAAA records are used to resolve host names.
The AAAA record is the preferred record for name resolution with IPv6.
www.cisco.com /en/US/products/sw/iosswrel/ios_abcs_ios_the_abcs_ip_version_60900aecd800c1136.html   (1674 words)

  
 [No title]
The glue could be any of o a minimal set of A6 records duplicated from the X.EXAMPLE zone, o a (possibly smaller) set of records which collapse the structure of that minimal set, o or a set of A6 records with prefix length zero, giving the entire global addresses of the servers.
Transition from AAAA and Coexistence with A Records Administrators of zones which contain A6 records can easily accommodate deployed resolvers which understand AAAA records but not A6 records.
Transition from Nibble Labels to Binary Labels Implementations conforming to RFC 1886 [AAAA] perform reverse lookups as follows: An IPv6 address is represented as a name in the IP6.INT domain by a sequence of nibbles separated by dots with the suffix ".IP6.INT".
www.rfc-editor.org /rfc/rfc2874.txt   (4906 words)

  
 [No title]   (Site not responding. Last check: 2007-11-03)
An MX record is simply the method used by DNS to route mail bound for one machine to another instead.
Wildcard MX records should not be used unless you understand all the possible risks.
Although you are not required to have MX records for all hosts, there is good reason to consider doing so.
www.gamerz.net /rrognlie/batbook/1565928393_sendmail3-chp-9-sect-3.html   (2032 words)

  
 [No title]
The IP protocol version used for querying resource records is independent of the protocol version of the resource records; e.g., IPv4 transport can be used to query IPv6 records and vice versa.
2.4 Textual format of AAAA records The textual representation of the data portion of the AAAA resource record used in a master database file is the textual representation of an IPv6 address as defined in [3].
The definitions of the AAAA record type and of the IP6.ARPA domain do not change the model for use of these techniques.
www.ietf.org /rfc/rfc3596.txt   (1248 words)

  
 The Mythical IPv8 (Was: Re: Fw: (ngtrans) AAAA Record Transition Strat   (Site not responding. Last check: 2007-11-03)
The Mythical IPv8 (Was: Re: Fw: (ngtrans) AAAA Record Transition Strat
For the record, "since some of you people are not technical", Flemings version of IPv8 does not exist.
>> d) Use the eventual edns dns metaquery to be done in BIND too >> with the new AAAA records to request AAAA records for >> the new type - Note this implies we have a new type rec >> for the new AAAA record.
www.cctec.com /maillists/ietf/msg02301.html   (817 words)

  
 [No title]
If the 'A' record is resolved, it returns the 'A' record to the application as is. In the case, there is no need for the IP conversion by the translator.
If only the 'AAAA' record is available, it requests the mapper to assign an IPv4 address corresponding to the IPv6 address, then creates the 'A' record for the assigned IPv4 address, and returns the 'A' record to the application.
NOTE: In the case of communication with an IPv4 host, the 'A' record is resolved and then the resolver returns it to the application as is. There is no need for the IP conversion as shown later.
www.networksorcery.com /enp/rfc/rfc2767.txt   (2152 words)

  
 Roxen Community: RFC 1886 DNS Extensions to support IP version 6 (Standards Track)   (Site not responding. Last check: 2007-11-03)
The AAAA resource record type is a new record specific to the Internet class that stores a single IPv6 address.
An AAAA query for a specified domain name in the Internet class returns all associated AAAA resource records in the answer section of a response.
The textual representation of the data portion of the AAAA resource record used in a master database file is the textual representation of a IPv6 address as defined in [3].
community.roxen.com /developers/idocs/rfc/rfc1886.html   (717 words)

  
 [No title]
The objective of this work is to split the AAAA record in the DNS into location and identifier to provide future capabilities for dynamic renumbering of addresses.
The design objective of these two record types is to make it transparent to existing DNS resolvers and the DNS protocol used to query for AAAA records.
There may be multiple RG's defined for each aAA record, and in those cases the DNS primary server after synthesis of RG's to a specific aAA record must return muliple AAAA record types in the answer section of a query response for AAAA records.
www.join.uni-muenster.de /Dokumente/drafts/draft-ietf-ipngwg-dns-rr-rgadd-00.txt   (1224 words)

  
 A DNS Primer ***DRAFT!!!***
A CNAME record is like an A record in that it tells where a host is located, however rather than give the IP address it specifies another hostname.
The AAAA record is a fairly new (as these things go) record used to map IPv6 addresses.
Like A records, where more than one AAAA record exists, all the records are passed back to the program that initiated the lookup.
entropicaccess.net /files/dns_primer_DRAFT.html   (1682 words)

  
 Roxen Community: RFC 3974 SMTP Operational Experience in Mixed IPv4/v6 Environments (Informational)   (Site not responding. Last check: 2007-11-03)
For a single MX record, there are multiple possible final states, including: (a) one or more A records for the IPv4 destination, (b) one or more AAAA records for the IPv6 destination, (c) a mixture of A and AAAA records.
When there is no destination address record found (i.e., the sender MTA is IPv4-only and there are no A records available), the case should be treated just like MX records without address records, and deliveries should fail.
NOTE: If one or more address records are found, an implementation may sort addresses based on the implementation's preference of A or AAAA records.
community.roxen.com /developers/idocs/rfc/rfc3974.html   (2486 words)

  
 [No title]   (Site not responding. Last check: 2007-11-03)
The changes include a new resource record type to store an IPv6 address, a new domain to support lookups based on an IPv6 address, and updated definitions of existing query types that return Internet addresses as part of additional section processing.
2.2 AAAA data format A 128 bit IPv6 address is encoded in the data portion of an AAAA resource record in network byte order (high-order byte first).
2.4 Textual format of AAAA records The textual representation of the data portion of the AAAA resource record used in a master database file is the textual representation of a IPv6 address as defined in [3].
artax.karlin.mff.cuni.cz /~morop0am/rfc1886.txt   (586 words)

  
 Supported record types and their storage
Like all other records, it is not terminated by a dot.
This means that the serial number is always raised when changes are made to the zone, as long as the change_date field is being set.
SRV records can be used to encode the location and port of services on a domain name.
doc.powerdns.com /types.html   (438 words)

  
 HP TCP/IP Services for OpenVMS Guide to IPv6   (Site not responding. Last check: 2007-11-03)
For name-to-address lookups, using AAAA records is recommended because A6 records have been moved to experimental status.
The AAAA record for IPv6 is analogous to the A record for IPv4.
The DNAME resource record is used to substitute one suffix of a domain name with another.
h71000.www7.hp.com /doc/732final/6645/6645pro_004.html   (2022 words)

  
 rfc3338
If the AAAA record is available, it requests the address mapper to assign an IPv4 address corresponding to the IPv6 address, then creates the A record for the assigned IPv4 address, and returns the A record to the application.
The registration occurs in the following 2 cases: (1) When the name resolver gets only an 'AAAA' record for the target host name and there is not a mapping entry for the IPv6 address.
When only the AAAA record is resolved, the name resolver requests the address mapper to assign an IPv4 address corresponding to the IPv6 address.
ietfreport.isoc.org /idref/rfc3338   (2917 words)

  
 6gate FAQ   (Site not responding. Last check: 2007-11-03)
If you are using a DNS server with a GUI interface or a DNS hosting service, you would normally select a choice labelled "Add a DNS record" (or something similar), then choose "AAAA" as the record type, and "2002:42eb:b46b::2" as the value.
Specifically, the only time that the AAAA record for your domain will be looked up is if someone wants to connect to your website via IPv6.
A: There are several other records that are optional, but which you may want.
www.6gate.com /pages/6gateFAQ.htm   (1118 words)

  
 Telnet asking for IPv6 DNS records (AAAA) - LinuxQuestions.org
Investigation with Ethereal shows that telnet is asking the DNS server for AAAA records, which are IPv6 addresses.
Next telnet asks for the AAAA record for just plain "web", and the dns server attempts to ask a root server for that, which is the right thing to do, but it has a 5 second timeout because PPP is down.
There must be some simple reason why libc asks the DNS server for AAAA records before asking for A records.
www.linuxquestions.org /questions/showthread.php?t=148887   (497 words)

  
 US-CERT Vulnerability Note VU#714121
Some DNS servers respond with an inappropriate error message if queried for nonexistent AAAA records, which can lead to possible denial of service.
Sites operating DNS servers that respond to queries for nonexistent AAAA records with NXDOMAIN response codes may be susceptible to attackers using other sites' caching nameservers to block those other sites' users from resolving records in domains served by the broken DNS servers.
However, A6 records (RFC2874) have been deemed "Experimental" by the IETF, with preference being given to AAAA records (RFC3363, RFC3364).
www.kb.cert.org /vuls/id/714121   (355 words)

  
 IPv6 DNS settings
Currently, AAAA record is used in order to store an IPv6 addresses because the extensions are designed to be compatible with existing DNS implementations.
One might be tempted to add the AAAA record to an existing domain name.
Although the temptation is big, and it is natural to do so, especially for systems running IPv4 and IPv6, one should think twice before doing it: the AAAA record type is not understood by all DNS resolvers, and some applications might fail when receiving such a record back.
www.isi.edu /~bmanning/v6DNS.html   (1267 words)

  
 Lotus Domino Administrator 6 Help - IPv6 and Lotus Domino
In DNS, records that store IPv6 addresses are called AAAA records.
If only an AAAA record is found, connects over IPv6 or waits for the TCP/IP software to make the connection.
If both an A record and AAAA record are found, uses the AAAA record.
www-12.lotus.com /ldd/doc/domino_notes/Rnext/help6_admin.nsf/f4b82fbb75e942a6852566ac0037f284/4f6c45a6e1fd759585256c1d00390ad8?OpenDocument   (299 words)

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