Inquiry
Enquiry, Question, Visit
noun
If 伺う is "to inquire" or "to visit" then the noun version would be a polite way to say inquiry or enquiry. In other words, a question. It can also mean a visit.
The reading comes from 伺う.
あなたのブログのURLをお伺いしてもよろしいですか？
Could I inquire about your blog's URL, please?