If your good webmaster you know mean of “Domain age”. Domain age is age of domain from its first registration. There are millions of domain register daily and thousand of webmaster who are fail to run web site correctly, so they dont renew it again next year.
Now all SEO know and recommend that if you want to get good SERPs you can have a old aged domain, but this dont mean that new register domain dont get good SERPs.
Search Engine give more priority to old aged domain rather than new domains.
