diff --git a/Gopkg.lock b/Gopkg.lock
index 383b46f8..b365a457 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -223,14 +223,14 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:fed64c975620bacb8b3e531e31974149eef07fa0c4bc99185d35c4beaa6bd98a"
+  digest = "1:c45e4f1755487478216e06437e161d56299d963282ce109555091bc4c7a57343"
   name = "github.com/iij/doapi"
   packages = [
     ".",
     "protocol",
   ]
   pruneopts = "NUT"
-  revision = "afe9fa11fb27e5e8ab2dfc1675e91387aa63eaa2"
+  revision = "8803795a9b7b938fa88ddbd63a77893beee14cd8"
 
 [[projects]]
   digest = "1:ac6d01547ec4f7f673311b4663909269bfb8249952de3279799289467837c3cc"
diff --git a/vendor/github.com/iij/doapi/api.go b/vendor/github.com/iij/doapi/api.go
index 28e29a80..796e0668 100644
--- a/vendor/github.com/iij/doapi/api.go
+++ b/vendor/github.com/iij/doapi/api.go
@@ -22,11 +22,11 @@ import (
 )
 
 const (
-	HmacSHA1           = "HmacSHA1"
-	HmacSHA256         = "HmacSHA256"
-	SignatureVersion2  = "2"
-	APIVersion = "20140601"
-	EndpointJSON       = "https://do.api.iij.jp/"
+	HmacSHA1          = "HmacSHA1"
+	HmacSHA256        = "HmacSHA256"
+	SignatureVersion2 = "2"
+	APIVersion        = "20140601"
+	EndpointJSON      = "https://do.api.iij.jp/"
 	// EndpointJSON = "http://localhost:9999/"
 	TimeLayout      = "2006-01-02T15:04:05Z"
 	PostContentType = "application/json"
@@ -140,6 +140,9 @@ func (a API) PostSome(method string, param url.URL, body interface{}) (resp *htt
 	if body != nil {
 		var bufb []byte
 		bufb, err = json.Marshal(body)
+		if err != nil {
+			return nil, err
+		}
 		if len(bufb) > 2 {
 			log.Debug("call with body", method, string(bufb))
 			buf = bytes.NewBuffer(bufb)
@@ -154,6 +157,9 @@ func (a API) PostSome(method string, param url.URL, body interface{}) (resp *htt
 		buf = bytes.NewBufferString("")
 	}
 	req, err := http.NewRequest(method, param.String(), buf)
+	if err != nil {
+		return nil, err
+	}
 	if body != nil {
 		req.Header.Add("content-type", PostContentType)
 	}
diff --git a/vendor/github.com/iij/doapi/protocol/Commit.go b/vendor/github.com/iij/doapi/protocol/Commit.go
index d7c7fef2..2b23bb85 100644
--- a/vendor/github.com/iij/doapi/protocol/Commit.go
+++ b/vendor/github.com/iij/doapi/protocol/Commit.go
@@ -1,44 +1,44 @@
-package protocol
-
-import (
-	"reflect"
-)
-
-// Commit
-type Commit struct {
-	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
-}
-
-// URI /{{.DoServiceCode}}/commit.json
-func (t Commit) URI() string {
-	return "/{{.DoServiceCode}}/commit.json"
-}
-
-// APIName Commit
-func (t Commit) APIName() string {
-	return "Commit"
-}
-
-// Method PUT
-func (t Commit) Method() string {
-	return "PUT"
-}
-
-// http://manual.iij.jp/dns/doapi/754632.html
-func (t Commit) Document() string {
-	return "http://manual.iij.jp/dns/doapi/754632.html"
-}
-
-// JPName PUT Commit
-func (t Commit) JPName() string {
-	return "PUT commit"
-}
-func init() {
-	APIlist = append(APIlist, Commit{})
-	TypeMap["Commit"] = reflect.TypeOf(Commit{})
-}
-
-// CommitResponse PUT Commitのレスポンス
-type CommitResponse struct {
-	*CommonResponse
-}
+package protocol
+
+import (
+	"reflect"
+)
+
+// Commit
+type Commit struct {
+	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
+}
+
+// URI /{{.DoServiceCode}}/commit.json
+func (t Commit) URI() string {
+	return "/{{.DoServiceCode}}/commit.json"
+}
+
+// APIName Commit
+func (t Commit) APIName() string {
+	return "Commit"
+}
+
+// Method PUT
+func (t Commit) Method() string {
+	return "PUT"
+}
+
+// http://manual.iij.jp/dns/doapi/754632.html
+func (t Commit) Document() string {
+	return "http://manual.iij.jp/dns/doapi/754632.html"
+}
+
+// JPName PUT Commit
+func (t Commit) JPName() string {
+	return "PUT commit"
+}
+func init() {
+	APIlist = append(APIlist, Commit{})
+	TypeMap["Commit"] = reflect.TypeOf(Commit{})
+}
+
+// CommitResponse PUT Commitのレスポンス
+type CommitResponse struct {
+	*CommonResponse
+}
diff --git a/vendor/github.com/iij/doapi/protocol/RecordAdd.go b/vendor/github.com/iij/doapi/protocol/RecordAdd.go
index f35cd303..0f165b09 100644
--- a/vendor/github.com/iij/doapi/protocol/RecordAdd.go
+++ b/vendor/github.com/iij/doapi/protocol/RecordAdd.go
@@ -1,51 +1,51 @@
-package protocol
-
-import (
-	"reflect"
-)
-
-// RecordAdd POST record (同期)
-//  http://manual.iij.jp/dns/doapi/754517.html
-type RecordAdd struct {
-	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
-	ZoneName      string `json:"-"` // Zone Name
-	Owner         string // owner of record
-	TTL           string // TTL of record
-	RecordType    string // type of record
-	RData         string // data of record
-}
-
-// URI /:GisServiceCode/fw-lbs/:IflServiceCode/filters/:IpVersion/:Direction.json
-func (t RecordAdd) URI() string {
-	return "/{{.DoServiceCode}}/{{.ZoneName}}/record.json"
-}
-
-// APIName RecordAdd
-func (t RecordAdd) APIName() string {
-	return "RecordAdd"
-}
-
-// Method POST
-func (t RecordAdd) Method() string {
-	return "POST"
-}
-
-// http://manual.iij.jp/dns/doapi/754517.html
-func (t RecordAdd) Document() string {
-	return "http://manual.iij.jp/dns/doapi/754517.html"
-}
-
-// JPName POST record
-func (t RecordAdd) JPName() string {
-	return "POST record"
-}
-func init() {
-	APIlist = append(APIlist, RecordAdd{})
-	TypeMap["RecordAdd"] = reflect.TypeOf(RecordAdd{})
-}
-
-// RecordAddResponse POST recordのレスポンス
-type RecordAddResponse struct {
-	*CommonResponse
-	Record ResourceRecord
-}
+package protocol
+
+import (
+	"reflect"
+)
+
+// RecordAdd POST record (同期)
+//  http://manual.iij.jp/dns/doapi/754517.html
+type RecordAdd struct {
+	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
+	ZoneName      string `json:"-"` // Zone Name
+	Owner         string // owner of record
+	TTL           string // TTL of record
+	RecordType    string // type of record
+	RData         string // data of record
+}
+
+// URI /:GisServiceCode/fw-lbs/:IflServiceCode/filters/:IpVersion/:Direction.json
+func (t RecordAdd) URI() string {
+	return "/{{.DoServiceCode}}/{{.ZoneName}}/record.json"
+}
+
+// APIName RecordAdd
+func (t RecordAdd) APIName() string {
+	return "RecordAdd"
+}
+
+// Method POST
+func (t RecordAdd) Method() string {
+	return "POST"
+}
+
+// http://manual.iij.jp/dns/doapi/754517.html
+func (t RecordAdd) Document() string {
+	return "http://manual.iij.jp/dns/doapi/754517.html"
+}
+
+// JPName POST record
+func (t RecordAdd) JPName() string {
+	return "POST record"
+}
+func init() {
+	APIlist = append(APIlist, RecordAdd{})
+	TypeMap["RecordAdd"] = reflect.TypeOf(RecordAdd{})
+}
+
+// RecordAddResponse POST recordのレスポンス
+type RecordAddResponse struct {
+	*CommonResponse
+	Record ResourceRecord
+}
diff --git a/vendor/github.com/iij/doapi/protocol/RecordDelete.go b/vendor/github.com/iij/doapi/protocol/RecordDelete.go
index cf3aa520..5d087df3 100644
--- a/vendor/github.com/iij/doapi/protocol/RecordDelete.go
+++ b/vendor/github.com/iij/doapi/protocol/RecordDelete.go
@@ -1,47 +1,47 @@
-package protocol
-
-import (
-	"reflect"
-)
-
-// RecordDelete DELETE record
-//  http://manual.iij.jp/dns/doapi/754525.html
-type RecordDelete struct {
-	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
-	ZoneName      string `json:"-"` // Zone Name
-	RecordID      string `json:"-"` // Record ID
-}
-
-// URI /{{.DoServiceCode}}/{{.ZoneName}}/record/{{.RecordID}}.json
-func (t RecordDelete) URI() string {
-	return "/{{.DoServiceCode}}/{{.ZoneName}}/record/{{.RecordID}}.json"
-}
-
-// APIName RecordDelete
-func (t RecordDelete) APIName() string {
-	return "RecordDelete"
-}
-
-// Method DELETE
-func (t RecordDelete) Method() string {
-	return "DELETE"
-}
-
-// http://manual.iij.jp/dns/doapi/754525.html
-func (t RecordDelete) Document() string {
-	return "http://manual.iij.jp/dns/doapi/754525.html"
-}
-
-// JPName DELETE record
-func (t RecordDelete) JPName() string {
-	return "DELETE record"
-}
-func init() {
-	APIlist = append(APIlist, RecordDelete{})
-	TypeMap["RecordDelete"] = reflect.TypeOf(RecordDelete{})
-}
-
-// RecordDeleteResponse DELETE recordのレスポンス
-type RecordDeleteResponse struct {
-	*CommonResponse
-}
+package protocol
+
+import (
+	"reflect"
+)
+
+// RecordDelete DELETE record
+//  http://manual.iij.jp/dns/doapi/754525.html
+type RecordDelete struct {
+	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
+	ZoneName      string `json:"-"` // Zone Name
+	RecordID      string `json:"-"` // Record ID
+}
+
+// URI /{{.DoServiceCode}}/{{.ZoneName}}/record/{{.RecordID}}.json
+func (t RecordDelete) URI() string {
+	return "/{{.DoServiceCode}}/{{.ZoneName}}/record/{{.RecordID}}.json"
+}
+
+// APIName RecordDelete
+func (t RecordDelete) APIName() string {
+	return "RecordDelete"
+}
+
+// Method DELETE
+func (t RecordDelete) Method() string {
+	return "DELETE"
+}
+
+// http://manual.iij.jp/dns/doapi/754525.html
+func (t RecordDelete) Document() string {
+	return "http://manual.iij.jp/dns/doapi/754525.html"
+}
+
+// JPName DELETE record
+func (t RecordDelete) JPName() string {
+	return "DELETE record"
+}
+func init() {
+	APIlist = append(APIlist, RecordDelete{})
+	TypeMap["RecordDelete"] = reflect.TypeOf(RecordDelete{})
+}
+
+// RecordDeleteResponse DELETE recordのレスポンス
+type RecordDeleteResponse struct {
+	*CommonResponse
+}
diff --git a/vendor/github.com/iij/doapi/protocol/RecordGet.go b/vendor/github.com/iij/doapi/protocol/RecordGet.go
index 1da14920..051bb659 100644
--- a/vendor/github.com/iij/doapi/protocol/RecordGet.go
+++ b/vendor/github.com/iij/doapi/protocol/RecordGet.go
@@ -1,48 +1,48 @@
-package protocol
-
-import (
-	"reflect"
-)
-
-// GET records
-//  http://manual.iij.jp/dns/doapi/754619.html
-type RecordGet struct {
-	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
-	ZoneName      string `json:"-"` // ゾーン名
-	RecordID      string `json:"-"` //
-}
-
-// URI /{{.DoServiceCode}}/{{.ZoneName}}/record/{{.RecordID}}.json
-func (t RecordGet) URI() string {
-	return "/{{.DoServiceCode}}/{{.ZoneName}}/record/{{.RecordID}}.json"
-}
-
-// APIName RecordGet
-func (t RecordGet) APIName() string {
-	return "RecordGet"
-}
-
-// Method GET
-func (t RecordGet) Method() string {
-	return "GET"
-}
-
-// http://manual.iij.jp/dns/doapi/754503.html
-func (t RecordGet) Document() string {
-	return "http://manual.iij.jp/dns/doapi/754503.html"
-}
-
-// JPName GET record
-func (t RecordGet) JPName() string {
-	return "GET record"
-}
-func init() {
-	APIlist = append(APIlist, RecordGet{})
-	TypeMap["RecordGet"] = reflect.TypeOf(RecordGet{})
-}
-
-// RecordGetResponse フィルタリングルール情報取得のレスポンス
-type RecordGetResponse struct {
-	*CommonResponse
-	Record ResourceRecord
-}
+package protocol
+
+import (
+	"reflect"
+)
+
+// GET records
+//  http://manual.iij.jp/dns/doapi/754619.html
+type RecordGet struct {
+	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
+	ZoneName      string `json:"-"` // ゾーン名
+	RecordID      string `json:"-"` //
+}
+
+// URI /{{.DoServiceCode}}/{{.ZoneName}}/record/{{.RecordID}}.json
+func (t RecordGet) URI() string {
+	return "/{{.DoServiceCode}}/{{.ZoneName}}/record/{{.RecordID}}.json"
+}
+
+// APIName RecordGet
+func (t RecordGet) APIName() string {
+	return "RecordGet"
+}
+
+// Method GET
+func (t RecordGet) Method() string {
+	return "GET"
+}
+
+// http://manual.iij.jp/dns/doapi/754503.html
+func (t RecordGet) Document() string {
+	return "http://manual.iij.jp/dns/doapi/754503.html"
+}
+
+// JPName GET record
+func (t RecordGet) JPName() string {
+	return "GET record"
+}
+func init() {
+	APIlist = append(APIlist, RecordGet{})
+	TypeMap["RecordGet"] = reflect.TypeOf(RecordGet{})
+}
+
+// RecordGetResponse フィルタリングルール情報取得のレスポンス
+type RecordGetResponse struct {
+	*CommonResponse
+	Record ResourceRecord
+}
diff --git a/vendor/github.com/iij/doapi/protocol/RecordListGet.go b/vendor/github.com/iij/doapi/protocol/RecordListGet.go
index c60b819b..3e4b9d63 100644
--- a/vendor/github.com/iij/doapi/protocol/RecordListGet.go
+++ b/vendor/github.com/iij/doapi/protocol/RecordListGet.go
@@ -1,47 +1,47 @@
-package protocol
-
-import (
-	"reflect"
-)
-
-// GET records
-type RecordListGet struct {
-	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
-	ZoneName      string `json:"-"` // ゾーン名
-}
-
-// URI /{{.DoServiceCode}}/{{.ZoneName}}/records/DETAIL.json
-func (t RecordListGet) URI() string {
-	return "/{{.DoServiceCode}}/{{.ZoneName}}/records/DETAIL.json"
-}
-
-// APIName RecordListGet
-func (t RecordListGet) APIName() string {
-	return "RecordListGet"
-}
-
-// Method GET
-func (t RecordListGet) Method() string {
-	return "GET"
-}
-
-// http://manual.iij.jp/dns/doapi/754619.html
-func (t RecordListGet) Document() string {
-	return "http://manual.iij.jp/dns/doapi/754619.html"
-}
-
-// JPName GET records
-func (t RecordListGet) JPName() string {
-	return "GET records"
-}
-func init() {
-	APIlist = append(APIlist, RecordListGet{})
-	TypeMap["RecordListGet"] = reflect.TypeOf(RecordListGet{})
-}
-
-// RecordListGetResponse GET recordsのレスポンス
-type RecordListGetResponse struct {
-	*CommonResponse
-	RecordList       []ResourceRecord
-	StaticRecordList []ResourceRecord
-}
+package protocol
+
+import (
+	"reflect"
+)
+
+// GET records
+type RecordListGet struct {
+	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
+	ZoneName      string `json:"-"` // ゾーン名
+}
+
+// URI /{{.DoServiceCode}}/{{.ZoneName}}/records/DETAIL.json
+func (t RecordListGet) URI() string {
+	return "/{{.DoServiceCode}}/{{.ZoneName}}/records/DETAIL.json"
+}
+
+// APIName RecordListGet
+func (t RecordListGet) APIName() string {
+	return "RecordListGet"
+}
+
+// Method GET
+func (t RecordListGet) Method() string {
+	return "GET"
+}
+
+// http://manual.iij.jp/dns/doapi/754619.html
+func (t RecordListGet) Document() string {
+	return "http://manual.iij.jp/dns/doapi/754619.html"
+}
+
+// JPName GET records
+func (t RecordListGet) JPName() string {
+	return "GET records"
+}
+func init() {
+	APIlist = append(APIlist, RecordListGet{})
+	TypeMap["RecordListGet"] = reflect.TypeOf(RecordListGet{})
+}
+
+// RecordListGetResponse GET recordsのレスポンス
+type RecordListGetResponse struct {
+	*CommonResponse
+	RecordList       []ResourceRecord
+	StaticRecordList []ResourceRecord
+}
diff --git a/vendor/github.com/iij/doapi/protocol/Reset.go b/vendor/github.com/iij/doapi/protocol/Reset.go
index 5a95158b..0a26056f 100644
--- a/vendor/github.com/iij/doapi/protocol/Reset.go
+++ b/vendor/github.com/iij/doapi/protocol/Reset.go
@@ -1,45 +1,45 @@
-package protocol
-
-import (
-	"reflect"
-)
-
-// Reset PUT reset (同期)
-type Reset struct {
-	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
-	ZoneName      string `json:"-"` // Zone name
-}
-
-// URI /{{.DoServiceCode}}/{{.ZoneName}}/reset.json
-func (t Reset) URI() string {
-	return "/{{.DoServiceCode}}/{{.ZoneName}}/reset.json"
-}
-
-// APIName Reset
-func (t Reset) APIName() string {
-	return "Reset"
-}
-
-// Method PUT
-func (t Reset) Method() string {
-	return "PUT"
-}
-
-// http://manual.iij.jp/dns/doapi/754610.html
-func (t Reset) Document() string {
-	return "http://manual.iij.jp/dns/doapi/754610.html"
-}
-
-// JPName PUT reset
-func (t Reset) JPName() string {
-	return "PUT Reset"
-}
-func init() {
-	APIlist = append(APIlist, Reset{})
-	TypeMap["Reset"] = reflect.TypeOf(Reset{})
-}
-
-// ResetResponse PUT resetのレスポンス
-type ResetResponse struct {
-	*CommonResponse
-}
+package protocol
+
+import (
+	"reflect"
+)
+
+// Reset PUT reset (同期)
+type Reset struct {
+	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
+	ZoneName      string `json:"-"` // Zone name
+}
+
+// URI /{{.DoServiceCode}}/{{.ZoneName}}/reset.json
+func (t Reset) URI() string {
+	return "/{{.DoServiceCode}}/{{.ZoneName}}/reset.json"
+}
+
+// APIName Reset
+func (t Reset) APIName() string {
+	return "Reset"
+}
+
+// Method PUT
+func (t Reset) Method() string {
+	return "PUT"
+}
+
+// http://manual.iij.jp/dns/doapi/754610.html
+func (t Reset) Document() string {
+	return "http://manual.iij.jp/dns/doapi/754610.html"
+}
+
+// JPName PUT reset
+func (t Reset) JPName() string {
+	return "PUT Reset"
+}
+func init() {
+	APIlist = append(APIlist, Reset{})
+	TypeMap["Reset"] = reflect.TypeOf(Reset{})
+}
+
+// ResetResponse PUT resetのレスポンス
+type ResetResponse struct {
+	*CommonResponse
+}
diff --git a/vendor/github.com/iij/doapi/protocol/ZoneListGet.go b/vendor/github.com/iij/doapi/protocol/ZoneListGet.go
index 1ddf1bad..20258a4d 100644
--- a/vendor/github.com/iij/doapi/protocol/ZoneListGet.go
+++ b/vendor/github.com/iij/doapi/protocol/ZoneListGet.go
@@ -1,45 +1,45 @@
-package protocol
-
-import (
-	"reflect"
-)
-
-// GET zones
-type ZoneListGet struct {
-	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
-}
-
-// URI /{{.DoServiceCode}}/zones.json
-func (t ZoneListGet) URI() string {
-	return "/{{.DoServiceCode}}/zones.json"
-}
-
-// APIName ZoneListGet
-func (t ZoneListGet) APIName() string {
-	return "ZoneListGet"
-}
-
-// Method GET
-func (t ZoneListGet) Method() string {
-	return "GET"
-}
-
-// http://manual.iij.jp/dns/doapi/754466.html
-func (t ZoneListGet) Document() string {
-	return "http://manual.iij.jp/dns/doapi/754466.html"
-}
-
-// JPName GET zones
-func (t ZoneListGet) JPName() string {
-	return "GET zones"
-}
-func init() {
-	APIlist = append(APIlist, ZoneListGet{})
-	TypeMap["ZoneListGet"] = reflect.TypeOf(ZoneListGet{})
-}
-
-// ZoneListGetResponse GET zonesのレスポンス
-type ZoneListGetResponse struct {
-	*CommonResponse
-	ZoneList []string
-}
+package protocol
+
+import (
+	"reflect"
+)
+
+// GET zones
+type ZoneListGet struct {
+	DoServiceCode string `json:"-"` // DO契約のサービスコード(do########)
+}
+
+// URI /{{.DoServiceCode}}/zones.json
+func (t ZoneListGet) URI() string {
+	return "/{{.DoServiceCode}}/zones.json"
+}
+
+// APIName ZoneListGet
+func (t ZoneListGet) APIName() string {
+	return "ZoneListGet"
+}
+
+// Method GET
+func (t ZoneListGet) Method() string {
+	return "GET"
+}
+
+// http://manual.iij.jp/dns/doapi/754466.html
+func (t ZoneListGet) Document() string {
+	return "http://manual.iij.jp/dns/doapi/754466.html"
+}
+
+// JPName GET zones
+func (t ZoneListGet) JPName() string {
+	return "GET zones"
+}
+func init() {
+	APIlist = append(APIlist, ZoneListGet{})
+	TypeMap["ZoneListGet"] = reflect.TypeOf(ZoneListGet{})
+}
+
+// ZoneListGetResponse GET zonesのレスポンス
+type ZoneListGetResponse struct {
+	*CommonResponse
+	ZoneList []string
+}