Class: DnsClient

vertx-js/dns_client~ DnsClient

new DnsClient()

Provides a way to asynchronously lookup information from DNS servers.

Please consult the documentation for more information on DNS clients.

Source:

Methods

lookup(name, handler) → {DnsClient}

Try to lookup the A (ipv4) or AAAA (ipv6) record for the given name. The first found will be used.
Parameters:
Name Type Description
name string the name to resolve
handler function the Handler to notify with the AsyncResult. The handler will get notified with the resolved address if a record was found. If non was found it will get notifed with null. If an error accours it will get failed.
Source:
Returns:
a reference to this, so the API can be used fluently
Type
DnsClient

lookup4(name, handler) → {DnsClient}

Try to lookup the A (ipv4) record for the given name. The first found will be used.
Parameters:
Name Type Description
name string the name to resolve
handler function the to notify with the AsyncResult. The handler will get notified with the resolved Inet4Address if a record was found. If non was found it will get notifed with null. If an error accours it will get failed.
Source:
Returns:
a reference to this, so the API can be used fluently
Type
DnsClient

lookup6(name, handler) → {DnsClient}

Try to lookup the AAAA (ipv6) record for the given name. The first found will be used.
Parameters:
Name Type Description
name string the name to resolve
handler function the to notify with the . The handler will get notified with the resolved Inet6Address if a record was found. If non was found it will get notifed with null. If an error accours it will get failed.
Source:
Returns:
a reference to this, so the API can be used fluently
Type
DnsClient

resolveA(name, handler) → {DnsClient}

Try to resolve all A (ipv4) records for the given name.
Parameters:
Name Type Description
name string the name to resolve
handler function the Handler to notify with the AsyncResult. The handler will get notified with a List that contains all the resolved Inet4Addresses. If none was found an empty List will be used. If an error accours it will get failed.
Source:
Returns:
a reference to this, so the API can be used fluently
Type
DnsClient

resolveAAAA(name, handler) → {DnsClient}

Try to resolve all AAAA (ipv6) records for the given name.
Parameters:
Name Type Description
name string the name to resolve
handler function the Handler to notify with the AsyncResult. The handler will get notified with a List that contains all the resolved Inet6Addresses. If none was found an empty List will be used. If an error accours it will get failed.
Source:
Returns:
a reference to this, so the API can be used fluently
Type
DnsClient

resolveCNAME(name, handler) → {DnsClient}

Try to resolve the CNAME record for the given name.
Parameters:
Name Type Description
name string the name to resolve the CNAME for
handler function the to notify with the . The handler will get notified with the resolved String if a record was found. If none was found it will get notified with null. If an error accours it will get failed.
Source:
Returns:
a reference to this, so the API can be used fluently.
Type
DnsClient

resolveMX(name, handler) → {DnsClient}

Try to resolve the MX records for the given name.
Parameters:
Name Type Description
name string the name for which the MX records should be resolved
handler function the Handler to notify with the AsyncResult. The handler will get notified with a List that contains all resolved MxRecords, sorted by their MxRecord#priority. If non was found it will get notified with an empty List. If an error accours it will get failed.
Source:
Returns:
a reference to this, so the API can be used fluently.
Type
DnsClient

resolveNS(name, handler) → {DnsClient}

Try to resolve the NS records for the given name.
Parameters:
Name Type Description
name string the name for which the NS records should be resolved
handler function the to notify with the . The handler will get notified with a List that contains all resolved Strings. If none was found it will get notified with an empty List. If an error accours it will get failed.
Source:
Returns:
a reference to this, so the API can be used fluently.
Type
DnsClient

resolvePTR(name, handler) → {DnsClient}

Try to resolve the PTR record for the given name.
Parameters:
Name Type Description
name string the name to resolve the PTR for
handler function the to notify with the . The handler will get notified with the resolved String if a record was found. If none was found it will get notified with null. If an error accours it will get failed.
Source:
Returns:
a reference to this, so the API can be used fluently.
Type
DnsClient

resolveSRV(name, handler) → {DnsClient}

Try to resolve the SRV records for the given name.
Parameters:
Name Type Description
name string the name for which the SRV records should be resolved
handler function the to notify with the . The handler will get notified with a List that contains all resolved SrvRecords. If none was found it will get notified with an empty List. If an error accours it will get failed.
Source:
Returns:
a reference to this, so the API can be used fluently.
Type
DnsClient

resolveTXT(name, handler) → {DnsClient}

Try to resolve the TXT records for the given name.
Parameters:
Name Type Description
name string the name for which the TXT records should be resolved
handler function the to notify with the . The handler will get notified with a List that contains all resolved Strings. If none was found it will get notified with an empty List. If an error accours it will get failed.
Source:
Returns:
a reference to this, so the API can be used fluently.
Type
DnsClient

reverseLookup(ipaddress, handler) → {DnsClient}

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:
Name Type Description
ipaddress string the IP address to resolve the PTR for
handler function the to notify with the . The handler will get notified with the resolved String if a record was found. If none was found it will get notified with null. If an error accours it will get failed.
Source:
Returns:
a reference to this, so the API can be used fluently.
Type
DnsClient