java.lang.Object
- io.vertx.rxjava3.core.dns.DnsClient

```
public class DnsClient
extends Object
```
Provides a way to asynchronously lookup information from DNS servers.
Please consult the documentation for more information on DNS clients.
NOTE: This class has been automatically generated from the original non RX-ified interface using Vert.x codegen.

Field Summary

Fields
Modifier and Type Field Description

static TypeArg<DnsClient> __TYPE_ARG

Constructor Summary

Constructors
Constructor Description

DnsClient(DnsClient delegate)

DnsClient(Object delegate)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object o)`
`DnsClient`	`getDelegate()`
`int`	`hashCode()`
`io.reactivex.rxjava3.core.Maybe<String>`	`lookup(String name)`	Try to lookup the A (ipv4) or AAAA (ipv6) record for the given name.
`io.reactivex.rxjava3.core.Maybe<String>`	`lookup4(String name)`	Try to lookup the A (ipv4) record for the given name.
`io.reactivex.rxjava3.core.Maybe<String>`	`lookup6(String name)`	Try to lookup the AAAA (ipv6) record for the given name.
`static DnsClient`	`newInstance(DnsClient arg)`
`io.reactivex.rxjava3.core.Single<List<String>>`	`resolveA(String name)`	Try to resolve all A (ipv4) records for the given name.
`io.reactivex.rxjava3.core.Single<List<String>>`	`resolveAAAA(String name)`	Try to resolve all AAAA (ipv6) records for the given name.
`io.reactivex.rxjava3.core.Single<List<String>>`	`resolveCNAME(String name)`	Try to resolve the CNAME record for the given name.
`io.reactivex.rxjava3.core.Single<List<MxRecord>>`	`resolveMX(String name)`	Try to resolve the MX records for the given name.
`io.reactivex.rxjava3.core.Single<List<String>>`	`resolveNS(String name)`	Try to resolve the NS records for the given name.
`io.reactivex.rxjava3.core.Maybe<String>`	`resolvePTR(String name)`	Try to resolve the PTR record for the given name.
`io.reactivex.rxjava3.core.Single<List<SrvRecord>>`	`resolveSRV(String name)`	Try to resolve the SRV records for the given name.
`io.reactivex.rxjava3.core.Single<List<String>>`	`resolveTXT(String name)`	Try to resolve the TXT records for the given name.
`io.reactivex.rxjava3.core.Maybe<String>`	`reverseLookup(String ipaddress)`	Try to do a reverse lookup of an IP address.
`io.reactivex.rxjava3.core.Maybe<String>`	`rxLookup(String name)`	Try to lookup the A (ipv4) or AAAA (ipv6) record for the given name.
`io.reactivex.rxjava3.core.Maybe<String>`	`rxLookup4(String name)`	Try to lookup the A (ipv4) record for the given name.
`io.reactivex.rxjava3.core.Maybe<String>`	`rxLookup6(String name)`	Try to lookup the AAAA (ipv6) record for the given name.
`io.reactivex.rxjava3.core.Single<List<String>>`	`rxResolveA(String name)`	Try to resolve all A (ipv4) records for the given name.
`io.reactivex.rxjava3.core.Single<List<String>>`	`rxResolveAAAA(String name)`	Try to resolve all AAAA (ipv6) records for the given name.
`io.reactivex.rxjava3.core.Single<List<String>>`	`rxResolveCNAME(String name)`	Try to resolve the CNAME record for the given name.
`io.reactivex.rxjava3.core.Single<List<MxRecord>>`	`rxResolveMX(String name)`	Try to resolve the MX records for the given name.
`io.reactivex.rxjava3.core.Single<List<String>>`	`rxResolveNS(String name)`	Try to resolve the NS records for the given name.
`io.reactivex.rxjava3.core.Maybe<String>`	`rxResolvePTR(String name)`	Try to resolve the PTR record for the given name.
`io.reactivex.rxjava3.core.Single<List<SrvRecord>>`	`rxResolveSRV(String name)`	Try to resolve the SRV records for the given name.
`io.reactivex.rxjava3.core.Single<List<String>>`	`rxResolveTXT(String name)`	Try to resolve the TXT records for the given name.
`io.reactivex.rxjava3.core.Maybe<String>`	`rxReverseLookup(String ipaddress)`	Try to do a reverse lookup of an IP address.
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - __TYPE_ARG
```
public static final TypeArg<DnsClient> __TYPE_ARG
```
- Constructor Detail
  - DnsClient
```
public DnsClient(DnsClient delegate)
```
  - DnsClient
```
public DnsClient(Object delegate)
```
- Method Detail
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - getDelegate
```
public DnsClient getDelegate()
```
  - lookup
```
public io.reactivex.rxjava3.core.Maybe<String> lookup(String name)
```
    Try to lookup the A (ipv4) or AAAA (ipv6) record for the given name. The first found will be used.
    
    Parameters:
    
    name - the name to resolve
    
    Returns:
    
    a reference to this, so the API can be used fluently
  - rxLookup
```
public io.reactivex.rxjava3.core.Maybe<String> rxLookup(String name)
```
    Try to lookup the A (ipv4) or AAAA (ipv6) record for the given name. The first found will be used.
    
    Parameters:
    
    name - the name to resolve
    
    Returns:
    
    a reference to this, so the API can be used fluently
  - lookup4
```
public io.reactivex.rxjava3.core.Maybe<String> lookup4(String name)
```
    Try to lookup the A (ipv4) record for the given name. The first found will be used.
    
    Parameters:
    
    name - the name to resolve
    
    Returns:
    
    a reference to this, so the API can be used fluently
  - rxLookup4
```
public io.reactivex.rxjava3.core.Maybe<String> rxLookup4(String name)
```
    Try to lookup the A (ipv4) record for the given name. The first found will be used.
    
    Parameters:
    
    name - the name to resolve
    
    Returns:
    
    a reference to this, so the API can be used fluently
  - lookup6
```
public io.reactivex.rxjava3.core.Maybe<String> lookup6(String name)
```
    Try to lookup the AAAA (ipv6) record for the given name. The first found will be used.
    
    Parameters:
    
    name - the name to resolve
    
    Returns:
    
    a reference to this, so the API can be used fluently
  - rxLookup6
```
public io.reactivex.rxjava3.core.Maybe<String> rxLookup6(String name)
```
    Try to lookup the AAAA (ipv6) record for the given name. The first found will be used.
    
    Parameters:
    
    name - the name to resolve
    
    Returns:
    
    a reference to this, so the API can be used fluently
  - resolveA
```
public io.reactivex.rxjava3.core.Single<List<String>> resolveA(String name)
```
    Try to resolve all A (ipv4) records for the given name.
    
    Parameters:
    
    name - the name to resolve
    
    Returns:
    
    a reference to this, so the API can be used fluently
  - rxResolveA
```
public io.reactivex.rxjava3.core.Single<List<String>> rxResolveA(String name)
```
    Try to resolve all A (ipv4) records for the given name.
    
    Parameters:
    
    name - the name to resolve
    
    Returns:
    
    a reference to this, so the API can be used fluently
  - resolveAAAA
```
public io.reactivex.rxjava3.core.Single<List<String>> resolveAAAA(String name)
```
    Try to resolve all AAAA (ipv6) records for the given name.
    
    Parameters:
    
    name - the name to resolve
    
    Returns:
    
    a reference to this, so the API can be used fluently
  - rxResolveAAAA
```
public io.reactivex.rxjava3.core.Single<List<String>> rxResolveAAAA(String name)
```
    Try to resolve all AAAA (ipv6) records for the given name.
    
    Parameters:
    
    name - the name to resolve
    
    Returns:
    
    a reference to this, so the API can be used fluently
  - resolveCNAME
```
public io.reactivex.rxjava3.core.Single<List<String>> resolveCNAME(String name)
```
    Try to resolve the CNAME record for the given name.
    
    Parameters:
    
    name - the name to resolve the CNAME for
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - rxResolveCNAME
```
public io.reactivex.rxjava3.core.Single<List<String>> rxResolveCNAME(String name)
```
    Try to resolve the CNAME record for the given name.
    
    Parameters:
    
    name - the name to resolve the CNAME for
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - resolveMX
```
public io.reactivex.rxjava3.core.Single<List<MxRecord>> resolveMX(String name)
```
    Try to resolve the MX records for the given name.
    
    Parameters:
    
    name - the name for which the MX records should be resolved
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - rxResolveMX
```
public io.reactivex.rxjava3.core.Single<List<MxRecord>> rxResolveMX(String name)
```
    Try to resolve the MX records for the given name.
    
    Parameters:
    
    name - the name for which the MX records should be resolved
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - resolveTXT
```
public io.reactivex.rxjava3.core.Single<List<String>> resolveTXT(String name)
```
    Try to resolve the TXT records for the given name.
    
    Parameters:
    
    name - the name for which the TXT records should be resolved
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - rxResolveTXT
```
public io.reactivex.rxjava3.core.Single<List<String>> rxResolveTXT(String name)
```
    Try to resolve the TXT records for the given name.
    
    Parameters:
    
    name - the name for which the TXT records should be resolved
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - resolvePTR
```
public io.reactivex.rxjava3.core.Maybe<String> resolvePTR(String name)
```
    Try to resolve the PTR record for the given name.
    
    Parameters:
    
    name - the name to resolve the PTR for
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - rxResolvePTR
```
public io.reactivex.rxjava3.core.Maybe<String> rxResolvePTR(String name)
```
    Try to resolve the PTR record for the given name.
    
    Parameters:
    
    name - the name to resolve the PTR for
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - resolveNS
```
public io.reactivex.rxjava3.core.Single<List<String>> resolveNS(String name)
```
    Try to resolve the NS records for the given name.
    
    Parameters:
    
    name - the name for which the NS records should be resolved
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - rxResolveNS
```
public io.reactivex.rxjava3.core.Single<List<String>> rxResolveNS(String name)
```
    Try to resolve the NS records for the given name.
    
    Parameters:
    
    name - the name for which the NS records should be resolved
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - resolveSRV
```
public io.reactivex.rxjava3.core.Single<List<SrvRecord>> resolveSRV(String name)
```
    Try to resolve the SRV records for the given name.
    
    Parameters:
    
    name - the name for which the SRV records should be resolved
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - rxResolveSRV
```
public io.reactivex.rxjava3.core.Single<List<SrvRecord>> rxResolveSRV(String name)
```
    Try to resolve the SRV records for the given name.
    
    Parameters:
    
    name - the name for which the SRV records should be resolved
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - reverseLookup
```
public io.reactivex.rxjava3.core.Maybe<String> reverseLookup(String ipaddress)
```
    Try to do a reverse lookup of an IP address. This is basically the same as doing trying to resolve a PTR record but allows you to just pass in the IP address and not a valid ptr query string.
    
    Parameters:
    
    ipaddress - the IP address to resolve the PTR for
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - rxReverseLookup
```
public io.reactivex.rxjava3.core.Maybe<String> rxReverseLookup(String ipaddress)
```
    Try to do a reverse lookup of an IP address. This is basically the same as doing trying to resolve a PTR record but allows you to just pass in the IP address and not a valid ptr query string.
    
    Parameters:
    
    ipaddress - the IP address to resolve the PTR for
    
    Returns:
    
    a reference to this, so the API can be used fluently.
  - newInstance
```
public static DnsClient newInstance(DnsClient arg)
```

Constructors
Constructor	Description
`DnsClient(DnsClient delegate)`
`DnsClient(Object delegate)`

Class DnsClient

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

__TYPE_ARG

Constructor Detail

DnsClient

DnsClient

Method Detail

toString

equals

hashCode

getDelegate

lookup

rxLookup

lookup4

rxLookup4

lookup6

rxLookup6

resolveA

rxResolveA

resolveAAAA

rxResolveAAAA

resolveCNAME

rxResolveCNAME

resolveMX

rxResolveMX

resolveTXT

rxResolveTXT

resolvePTR

rxResolvePTR

resolveNS

rxResolveNS

resolveSRV

rxResolveSRV

reverseLookup

rxReverseLookup

newInstance