Internet standards documents -LRB- RFC NUMBER@1 , RFC NUMBER@2 Section NUMBER@3 -RRB- specify that `` Every MISC@1 host should have a name '' and that such names are matched with a reverse pointer record .

RFC NUMBER@1 in the `` INSTRUCTIONS '' section , and later , RFC NUMBER@2 Section NUMBER@3 states `` Every MISC@1 host should have a name '' and `` Make sure your PTR and A records match '' .
