void
rrFromWire(DNSInput in) throws IOException {
	flags = in.readU8();
	tag = in.readCountedString();
	value = in.readByteArray();
}
Creates an CAA Record from the given data.
@param flags The flags.
@param tag The tag.
@param value The value.
src/main/java/core/org/xbill/DNS/CAARecord.java