Rename the axfr stuff
Rename the axfr stuff

Think the names are now more Go like and descriptive.

benbearchen/dns,tempbottle/dns,josephyzhou/dns,letsencrypt/dns,jmhodges/dns,Psiphon-Inc/dns,asergeyev/dns,modulexcite/dns,Git-Host/dns,flebarbe/dns,ym/go-dns,curtiszimmerman/dns,janstk/dns,rolandshoemaker/dns,skyportsystems/dns,michaelharo/dns,bragr/dns,AlexCheong/dns,FiloSottile/dns,cloudflare/dns,tsenart/dns,miekg/dns,jdef/dns,ezoic/dns,ErikDubbelboer/dns,skynet/dns,bboreham/dns,tonnerre/golang-dns,hugozhu/dns