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Fix doc - missing dns.resolveNs() and dns.resolveCname() 

Fixes #1039.
pull/5370/head
koichik 2011-05-12 13:49:26 +09:00 committed by Ryan Dahl
parent 9d717f6bef
commit 56aa2fd4c3
1 changed files with 14 additions and 1 deletions
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15
doc/api/dns.markdown
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@ -41,7 +41,8 @@ necessarily the value initially passed to `lookup`).
Resolves a domain (e.g. `'google.com'`) into an array of the record types
specified by rrtype. Valid rrtypes are `A` (IPV4 addresses), `AAAA` (IPV6
addresses), `MX` (mail exchange records), `TXT` (text records), `SRV` (SRV
records), and `PTR` (used for reverse IP lookups).
records), `PTR` (used for reverse IP lookups), `NS` (name server records)
and `CNAME` (canonical name records).
The callback has arguments `(err, addresses)`. The type of each item
in `addresses` is determined by the record type, and described in the
@ -89,6 +90,18 @@ Reverse resolves an ip address to an array of domain names.
The callback has arguments `(err, domains)`.
### dns.resolveNs(domain, callback)
The same as `dns.resolve()`, but only for name server records (`NS` records).
`addresses` is an array of the name server records available for `domain`
(e.g., `['ns1.example.com', 'ns2.example.com']`).
### dns.resolveCname(domain, callback)
The same as `dns.resolve()`, but only for canonical name records (`CNAME`
records). `addresses` is an array of the canonical name records available for
`domain` (e.g., `['bar.example.com']`).
If there an an error, `err` will be non-null and an instanceof the Error
object.