Similar to SoundHound
Proton VPN
Proton VPN.ps
.psPuma (Webサーバ)
Puma (web server)Quoted-printable
Quoted-printable.re
.reRiseup
Riseup.ro
.ro.ru
.ru.rw
.rw.sa
.sa.sb
.sb.sc
.sc.sd
.sd.se
.seSession Description Protocol
Session Description Protocol.sg
.sg.sh
.shShadow DOM
SHIPS.TV
Shopkick
Shopkick.sk
.skSketch
Skype
SkypeSlideShare
SlideShareSmart.fm
Smart.fmSMTPS
SMTPSSpread Firefox 2006 Summer
STARTTLS
Opportunistic TLS