From e9f8cc47c4abf4bb1763efc96082fd1c6acfc709 Mon Sep 17 00:00:00 2001
From: radhitya <alif@radhitya.org>
Date: Wed, 24 Jun 2026 14:53:57 +0700
Subject: writing types

---
 .gitignore            |  4 ++++
 internal/dns/types.go | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 internal/dns/types.go

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..518c37e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+build/
+etc/
+misc/
+*.md
diff --git a/internal/dns/types.go b/internal/dns/types.go
new file mode 100644
index 0000000..059446c
--- /dev/null
+++ b/internal/dns/types.go
@@ -0,0 +1,47 @@
+package dns
+
+// https://datatracker.ietf.org/doc/html/rfc6895#section-2.2
+
+const (
+	OpQuery  = 0
+	OpIQuery = 1
+	OpStatus = 2
+	OpNotify = 4
+	OpUpdate = 5
+)
+
+// https://datatracker.ietf.org/doc/html/rfc6895
+const (
+	RcodeNoError   = 0
+	RcodeFormError = 1
+	RcodeServFail  = 2
+	RcodeNxDomain  = 3
+	RcodeNotImp    = 4
+	RcodeRefused   = 5
+	RcodeYxDomain  = 6
+	RcodeYxRrSet   = 7
+	RcodeNxRrSet   = 8
+	RcodeNotZone   = 10
+)
+
+// https://datatracker.ietf.org/doc/html/rfc1035
+const (
+	TypeA     = 1
+	TypeNS    = 2
+	TypeCNAME = 5
+	typeSOA   = 6
+	typePTR   = 12
+	typeMX    = 15
+	typeTXT   = 16
+	typeAAAA  = 28 // https://www.rfc-editor.org/info/rfc8499/
+	typeOPT   = 41
+)
+
+const (
+	ClassIN   = 1
+	ClassCS   = 2
+	ClassCH   = 3
+	ClassHS   = 4
+	ClassNONE = 254
+	ClassANY  = 255
+)
-- 
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