These websites are operated out of EU and therefore 2257 Exempt, but for those that wish a 2257....
18 U.S.C. 2257 Record-Keeping Requirements
Compliance Statement
All individuals that appear in any visual depiction of actual or simulated
sexual conduct contained in this website were eighteen (18) years of age or
older at the time of the creation or such depictions. The records required by 18
U.S.C. 2257 and 28 C.F.R. 75 with respect to visual depictions of actual
sexually explicit conduct made on or after July 3, 1995 are kept by the
Custodian of Records, J.