Similar to WebSocket
.pg
.pg
Ping (ブログ)
Ping (blogging)
PINKのおいらロビー板
.pk
.pk
PlayTalk
.pm
.pm
.pn
.pn
Pop-Company
.pr
.pr
.pro
.proProton VPN
Proton VPN
.ps
.ps
Puma (Webサーバ)
Puma (web server)
QOOPIE
Qwant
Qwant
.re
.re
Riseup
Riseup
.ro
.ro
.ru
.ruRuTracker.org
RuTracker.org
.rw
.rw
.sa
.sa
.sb
.sb
.sc
.sc
.sd
.sd
.se
.se
.sg
.sg
.sh
.sh