PTR

org.minidns.record.PTR

public class PTRextends RRWithTarget

DNS PTR (Pointer) record payload.
Used for reverse DNS lookups, mapping IP addresses to domain names. Functionally similar to CNAME but used for reverse resolution.

Field Summary
Fields inherited from class RRWithTarget
target
Modifier and Type
Field
Description
final DnsName
target
The target domain name
Constructor Summary
Constructors
Constructor
Description
PTR(String name)
Create a PTR record pointing at a domain name given in text form.
PTR(DnsName name)
Create a PTR record pointing at an already parsed domain name.
Method Summary
Modifier and Type
Method
Description
Record.TYPE
getType()
The payload type.
static PTR
parse(DataInputStream dis, byte[] data)
Parse a PTR record from a data stream.
Methods inherited from class RRWithTarget
getTarget, serialize, toString
Modifier and Type
Method
Description
final DnsName
getTarget()
Gets the owner name this record's rdata is anchored to.
void
serialize(DataOutputStream dos)
The internal method used to serialize Data subclasses.
String
toString()
Renders the target name in presentation format with a trailing dot.
Methods inherited from class Data
equals, hashCode, length, toByteArray, toOutputStream, toOutputStream
Modifier and Type
Method
Description
final boolean
equals(Object other)

final int
hashCode()

final int
length()
Serialize this record, if that has not been done already, and report the resulting wire size.
final byte[]
toByteArray()
Serialize this record, if that has not been done already, and return a copy of the result so callers cannot mutate the cached bytes.
final void
toOutputStream(DataOutputStream dos)
Write the binary representation of this payload to the given DataOutputStream.
final void
toOutputStream(OutputStream outputStream)
Write the binary representation to the given OutputStream.
Methods inherited from class Object
clone, getClass, notify, notifyAll, wait, wait, wait

Constructor Details
- PTR
  PTR(String name)
  Create a PTR record pointing at a domain name given in text form.
  Parameters:
  name - the domain name
- PTR
  PTR(DnsName name)
  Create a PTR record pointing at an already parsed domain name.
  Parameters:
  name - the domain name
Method Details
- parse
  public static PTR parse(DataInputStream dis, byte[] data) throws IOException
  Parse a PTR record from a data stream.
  Parameters:
  dis - the data input stream
  data - the raw DNS message data
  Returns:
  the parsed PTR record
  Throws:
  IOException - if parsing fails
- getType
  public Record.TYPE getType()
  Description copied from class: Data
  The payload type.
  Specified by:
  getType in class Data
  Returns:
  The DNS record type of this payload.

Field Summary

Fields inherited from class RRWithTarget

Constructor Summary

Method Summary

Methods inherited from class RRWithTarget

Methods inherited from class Data

Methods inherited from class Object

Constructor Details

PTR

Method Details

parse

getType