When you want to verify that a CR, private key, and certificate were all created by and for each other, try this:
(openssl req -in www.ccr.az.csr -noout -modulus;\
openssl rsa -in www.ccr.az.key -noout -modulus;\
openssl x509 -in www.ccr.az.crt -noout -modulus)\
| uniq | wc -l
which should return 1, as the modulus returned from each operation will be identical if the csr was created with the key, and the cert was inturn created with the csr.
See also: Verifying that a Private Key Matches a Certificate