It means that website has been changed 45 times, has "lived" on 18 different servers, over the past 3 years.Blimn said:I checked out one of my domains on domaintools.com
It says that NS history: 45 changes on 18 unique name servers over 3 years
What does that mean if I may ask?
No. There are other criteria including what I mentioned above.Blimn said:Just to repeat, does the domain have to have a historical value?