I would hope letsencrypt has a number of heuristic safeguards, but I can guarantee they do not make connections from multiple routing paths: My ad server regist

I would hope letsencrypt has a number of heuristic safeguards, but I can guarantee they do not make connections from multiple routing paths: My ad server registers a certificate during the SNI hello (but before the certificate is presented), and I get a certificate after a single ping.