…tax of domain names appear in RFCs 1035 [ RFC1035 ], 1123 [ RFC1123 ], and 2181 RFC2181 ]. Any characters, or combination of bits (as octets), are permitted in DNS names. However, there is a preferred form that is required by most applications. This preferred form has been the on…

…t RRSet as an Answer (e.g. RRSIG, NSEC, NSEC3). According to Section 5.4.1 of [ RFC2181 , "Unauthenticated RRs received and cached from ... the additional data section ... should not be cached in such a way that they would ever be returned as answers to a received query. They may…

… owner of a CNAME record is most certainly not a canonical name." (Quoted from [RFC2181], Section 10.1.1) It should say: CNAME: "It is traditional to refer to the label of a CNAME record as 'a CNAME'. This is unfortunate, as 'CNAME' is an abbreviation of 'canonical name', and the…

… owner of a CNAME record is most certainly not a canonical name." (Quoted from [RFC2181], Section 10.1.1) It should say: CNAME: "It is traditional to refer to the label of a CNAME record as 'a CNAME'. This is unfortunate, as 'CNAME' is an abbreviation of 'canonical name', and the…