Use Signature to be more in line with the non-plural RR
Use Signature to be more in line with the non-plural RR

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