Yes, 53-72.cerfrance.fr can receive emails.
Yes, 53-72.cerfrance.fr seems to be a legitimate domain.
A record
149.202.98.59
MX records
ALT1.ASPMX.L.GOOGLE.COM
64.233.186.27
ALT2.ASPMX.L.GOOGLE.COM
209.85.202.26
ALT3.ASPMX.L.GOOGLE.COM
64.233.167.26
ALT4.ASPMX.L.GOOGLE.COM
74.125.128.26
ASPMX.L.GOOGLE.COM
173.194.208.26
ASPMX2.GOOGLEMAIL.COM
64.233.186.26
ASPMX3.GOOGLEMAIL.COM
209.85.202.27