Add a missing 'f' in t.Errorf
Add a missing 'f' in t.Errorf

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