I think Privacytools.io is configured to block ping, or does it work for you?
PING chat.privacytools.io (51.38.120.195): 56 data bytes
--- chat.privacytools.io ping statistics ---
10 packets transmitted, 0 packets received, 100% packet loss
PING forum.privacytools.io (54.38.216.79): 56 data bytes
--- forum.privacytools.io ping statistics ---
10 packets transmitted, 0 packets received, 100% packet loss
PING privacytools.io (51.38.120.195): 56 data bytes
--- privacytools.io ping statistics ---
10 packets transmitted, 0 packets received, 100% packet loss
PING 8.8.8.8 (8.8.8.8): 56 data bytes
64 bytes from 8.8.8.8: icmp_seq=0 ttl=120 time=26,703 ms
64 bytes from 8.8.8.8: icmp_seq=1 ttl=120 time=24,667 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=120 time=26,096 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=120 time=25,748 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=120 time=28,581 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=120 time=80,843 ms
64 bytes from 8.8.8.8: icmp_seq=6 ttl=120 time=34,457 ms
64 bytes from 8.8.8.8: icmp_seq=7 ttl=120 time=37,316 ms
64 bytes from 8.8.8.8: icmp_seq=8 ttl=120 time=37,432 ms
64 bytes from 8.8.8.8: icmp_seq=9 ttl=120 time=24,304 ms
--- 8.8.8.8 ping statistics ---
10 packets transmitted, 10 packets received, 0% packet loss
round-trip min/avg/max/stddev = 24,304/34,615/80,843/16,149 ms
You did give me an idea of checking https://chat.privacytools.io/_matrix/client/r0/directory/room/%23general%3Aprivacytools.io though and it loads even if a bit slowly, but my Riot still keeps claiming it’s offline seems to have finally told me what is the unread message it didn’t want to tell me about before.