new DnsClient()
Provides a way to asynchronously lookup information from DNS servers.
Please consult the documentation for more information on DNS clients.
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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 |
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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. |
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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. |
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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. |
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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. |
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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. |
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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. |
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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 |
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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. |
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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 |
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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. |
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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 |
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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. |
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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 |
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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. |
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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 |
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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. |
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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 |
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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. |
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Returns:
a reference to this, so the API can be used fluently.
- Type
- DnsClient