Nicolai Søborg's Homepage

You can always contact me about the projects below and I'd love to get a PR fixing a bug or improving the tools.

Personal

Curriculum Vitae github.com/NicolaiSoeborg CTF Writeups

Services

Below you'll find a list of services offered at SØB.ORG
Need to figure out your IPv4 when you're dual-stacked with IPv6? Curious which one your stack prefers?
Want to see how your client handles TLS? Or HTTP? Try connecting to endpoints that only speak HTTP/3.

info.søb.org (connection info - check your preference)

ip.søb.org (IPv4 and IPv6)

ipv4.søb.org (only IPv4)

ipv6.søb.org (only IPv6)

tls.søb.org (tls1.2 and tls1.3)

tls12.søb.org (only tls1.2)

tls13.søb.org (only tls1.3)

http.søb.org (HTTP/1.1, HTTP/2, HTTP/3)

http11.søb.org (only HTTP/1.1)

http2.søb.org (only HTTP/2)

http3.søb.org (only HTTP/3)