protocol.how
protocol.how is a live English-language website hosted on Amazon.com, Inc. (AS16509) in the United States, served by Netlify. cl0q first saw it on 2026-10-05 and last crawled it on 2026-10-05. It resolves to 75.2.60.5 and has mail (MX) records set up. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
protocol.how | Interactive network protocol simulator
Explore network protocols such as: SMTP, IMAP, POP3, SSH, TELNET, FTP, HTTP/1.1 and TCP
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-10-05 |
| Last crawled | 2026-10-05 |
| IPv4 | 75.2.60.5 |
| Network | AS16509 Amazon.com, Inc. · Washington |
| Mail (MX) | in1-smtp.messagingengine.com,in2-smtp.messagingengine.com |
| Language | en |
| Server | Netlify |