Yes, gesemweb.net can receive emails.
No, gesemweb.net is a throwaway domain and should be blocked.
You can use MailCheck's free API to automatically block throwaway emails. Read our documentation to get started. No registration required.
A record
217.160.0.17
MX records
mx00.1and1.es
212.227.15.41
mx01.1and1.es
217.72.192.67