He didn't.
The definition of a URL was not conceived until 1994 when the IETF working group on Uniform Resource Identifiers came up with it, including domain names that were conceived in 1994, well after Vint Cerf had helped create TCP and IP in the early 1980s.
Vint Cerf's birth name is Vinton Gray Cerf.
Vint Cerf was born on June 23, 1943.
Vint Cerf goes by Father of the Internet.
Vint Cerf was born on June 23, 1943.
vint cerf, Robert kahn,lawernce Roberts,and Leonard kleinrock
Vint Cerf is 71 years old (birthdate: June 23, 1943).
Vint Cerf is still not old - he was born in 1943. I find no record of his death.
He invented the Internet with help.
Vinton Gray "Vint" Cerf and Bob Kahn share this title.
Robert E. Kahn and Vint Cerf
The design started in 1973, so Cerf was 30 years old.
Robert Kahn and Vint Cerf did together.