Dangling DNS record for bastion.certb.cdp.bethesda.net
6 August 2026 at 19:40
Posted by shed riot on Aug 06
# SummaryThe hostname resolved to an address within a dynamic cloud IP pool.
The address had been released and was no longer controlled by the
organisation operating the hostname.
This condition is referred to as an "afterlife" issue.
Unlike a conventional CNAME-based subdomain takeover, the DNS record
pointed directly to a reusable cloud IP address. An attacker obtaining
that address could receive traffic intended for the...