parses addresses in all the sections

README.markdown

@@ -30,6 +30,9 @@ Table of Contents
     * [TYPE_SRV](#type_srv)
     * [TYPE_SPF](#type_spf)
     * [CLASS_IN](#class_in)
+    * [SECTION_AN](#section_an)
+    * [SECTION_NS](#section_ns)
+    * [SECTION_AR](#section_ar)
 * [Automatic Error Logging](#automatic-error-logging)
 * [Limitations](#limitations)
 * [TODO](#todo)
@@ -152,6 +155,9 @@ which usually takes some of the following fields:
 * `address`
 
 	The IPv4 or IPv6 address in their textual representations when the resource record type is either `1` (`TYPE_A`) or `28` (`TYPE_AAAA`), respectively. Secussesive 16-bit zero groups in IPv6 addresses will not be compressed by default, if you want that, you need to call the `compress_ipv6_addr` static method instead.
+* `section`
+
+	The section in the dns response. Tells you which section is the answer comes from. Possible values are `1` (`SECTION_AN`) or `2` (`SECTION_NS`) or `3` (`SECTION_AR`).
 * `cname`
 
 	The (decoded) record data value for `CNAME` resource records. Only present for `CNAME` records.
@@ -186,6 +192,15 @@ This method also takes an optional `options` argument table, which takes the fol
 
 	The type of the question. Possible values are `1` (`TYPE_A`), `5` (`TYPE_CNAME`), `28` (`TYPE_AAAA`), or any other QTYPE value specified by RFC 1035 and RFC 3596. Default to `1` (`TYPE_A`).
 
+* `authority_section`
+
+	The `answers` includes authority section of the dns response or not. Possible values are `true`, `false`. Default to `false`.
+
+* `additional_section`
+
+	The `answers` includes additional section of the dns response or not. Possible values are `true`, `false`. Default to `false`.
+
+
 When data truncation happens, the resolver will automatically retry using the TCP transport mode
 to query the current nameserver. All TCP connections are short lived.
 
@@ -379,6 +394,24 @@ The `Internet` resource record type, equal to the decimal number `1`.
 
 [Back to TOC](#table-of-contents)
 
+SECTION_AN
+----------
+`syntax: stype = r.SECTION_AN`
+
+The `Answer` section in the DNS response, equal to the decimal number `1`
+
+SECTION_NS
+----------
+`syntax: stype = r.SECTION_NS`
+
+The `Authority` section in the DNS response, equal to the decimal number `2`
+
+SECTION_AR
+----------
+`syntax: stype = r.SECTION_AR`
+
+The `Additional` section in the DNS response, equal to the decimal number `3`
+
 Automatic Error Logging
 =======================