WARNING: Version 5.1 of Packetbeat has passed its EOL date.

This documentation is no longer being maintained and may be removed. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.

› ›

DNS Fields

edit

DNS Fields

edit

DNS-specific event fields.

dns.id

edit

type: long

The DNS packet identifier assigned by the program that generated the query. The identifier is copied to the response.

dns.op_code

edit

example: QUERY

The DNS operation code that specifies the kind of query in the message. This value is set by the originator of a query and copied into the response.

dns.flags.authoritative

edit

type: boolean

A DNS flag specifying that the responding server is an authority for the domain name used in the question.

dns.flags.recursion_available

edit

type: boolean

A DNS flag specifying whether recursive query support is available in the name server.

dns.flags.recursion_desired

edit

type: boolean

A DNS flag specifying that the client directs the server to pursue a query recursively. Recursive query support is optional.

dns.flags.authentic_data

edit

type: boolean

A DNS flag specifying that the recursive server considers the response authentic.

dns.flags.checking_disabled

edit

type: boolean

A DNS flag specifying that the client disables the server signature validation of the query.

dns.flags.truncated_response

edit

type: boolean

A DNS flag specifying that only the first 512 bytes of the reply were returned.

dns.response_code

edit

example: NOERROR

The DNS status code.

dns.question.name

edit

example: www.google.com.

The domain name being queried. If the name field contains non-printable characters (below 32 or above 126), then those characters are represented as escaped base 10 integers (\DDD). Back slashes and quotes are escaped. Tabs, carriage returns, and line feeds are converted to \t, \r, and \n respectively.

dns.question.type

edit

example: AAAA

The type of records being queried.

dns.question.class

edit

example: IN

The class of of records being queried.

dns.question.etld_plus_one

edit

example: amazon.co.uk.

The effective top-level domain (eTLD) plus one more label. For example, the eTLD+1 for "foo.bar.golang.org." is "golang.org.". The data for determining the eTLD comes from an embedded copy of the data from http://publicsuffix.org.

dns.answers

edit

type: dict

An array containing a dictionary about each answer section returned by the server.

dns.answers_count

edit

type: long

The number of resource records contained in the dns.answers field.

dns.answers.name

edit

example: example.com.

The domain name to which this resource record pertains.

dns.answers.type

edit

example: MX

The type of data contained in this resource record.

dns.answers.class

edit

example: IN

The class of DNS data contained in this resource record.

dns.answers.ttl

edit

type: long

The time interval in seconds that this resource record may be cached before it should be discarded. Zero values mean that the data should not be cached.

dns.answers.data

edit

The data describing the resource. The meaning of this data depends on the type and class of the resource record.

dns.authorities

edit

type: dict

An array containing a dictionary for each authority section from the answer.

dns.authorities_count

edit

type: long

The number of resource records contained in the dns.authorities field. The dns.authorities field may or may not be included depending on the configuration of Packetbeat.

dns.authorities.name

edit

example: example.com.

The domain name to which this resource record pertains.

dns.authorities.type

edit

example: NS

The type of data contained in this resource record.

dns.authorities.class

edit

example: IN

The class of DNS data contained in this resource record.

dns.additionals

edit

type: dict

An array containing a dictionary for each additional section from the answer.

dns.additionals_count

edit

type: long

The number of resource records contained in the dns.additionals field. The dns.additionals field may or may not be included depending on the configuration of Packetbeat.

dns.additionals.name

edit

example: example.com.

The domain name to which this resource record pertains.

dns.additionals.type

edit

example: NS

The type of data contained in this resource record.

dns.additionals.class

edit

example: IN

The class of DNS data contained in this resource record.

dns.additionals.ttl

edit

type: long

The time interval in seconds that this resource record may be cached before it should be discarded. Zero values mean that the data should not be cached.