This is a DNS service. Web browsing is just the signpost.
# Trace the path to the server
traceroute dns.supp0rt.tech
# Windows alternative
tracert dns.supp0rt.tech
# Verify DNS is answering (replace IP if you prefer direct IP testing)
dig @<YOUR_DNS_SERVER_IP> example.com A +short
# If your resolver is exposed publicly, a basic test:
nslookup example.com <YOUR_DNS_SERVER_IP>
port 53 (UDP/TCP).
Web pages use 80/443 — that’s what you’re seeing here.