Domain name and URL are NOT the same thing, though they are often used interchangeably quite like world wide web and the Internet. A domain name is simply a human readable form of an I.P. address while a URL stands for Universal Resource Locator and indicates the location of a file on the Internet.
Testes produces sperm & the male sex hormone Testosterone (T) Ducts transport, store, & assist in maturation of sperm. Accessory sex glands secrete most of liquid portion of semen. Penis contains the urethra, passageway for ejaculation of semen & excretion of urine.
In amniotes, however, the archinephric duct has become a true vas deferens, and is used only for conducting sperm, never urine. As in cartilaginous fish, the upper part of the duct forms the epididymis. In many species, the vas deferens ends in a small sac for storing sperm.