As a small business owner, this terrifies me. Since the TTL for NS records is 48 hours, a domain takeover like this could easily bankrupt a lot of SaaS companie

As a small business owner, this terrifies me. Since the TTL for NS records is 48 hours, a domain takeover like this could easily bankrupt a lot of SaaS companies. What options are there to prevent this? Would a registrar such as MarkMonitor provide at least some notice or protection?