> That seems like an easy check. Do we have an index of this domain? Was this backdated? How do you know it's backdated if by the time you crawl the articles h

> That seems like an easy check. Do we have an index of this domain? Was this backdated? How do you know it's backdated if by the time you crawl the articles have appeared on both sides. How do you know which was published first? This attack can be performed faster than the re-crawling frequency.