domain_history: fix false negative results

[KhasMek]

Netcraft is heavily reliant upon javascript to check for automated scraping and rendering of the page. Switching over to selinium from requests and rendering the page with either PhantomJS, Chrome or Firefox circumvents this issue and actually returns results if present.

You can see the proof of this issue by printing out the BeautfiulSoup response in the unpatched module

diff --git a/domain/domain_history.py b/domain/domain_history.py
index ff8fe69..fb6d0f9 100755
--- a/domain/domain_history.py
+++ b/domain/domain_history.py
@@ -23,6 +23,7 @@ def netcraft_domain_history(domain):
     req = requests.get(endpoint)
 
     soup = BeautifulSoup(req.content, 'html.parser')
+    print(soup)
     urls_parsed = soup.findAll('a', href=re.compile(r'.*netblock\?q.*'))
     for url in urls_parsed:
         if urls_parsed.index(url) != 0:

If the user ignores the instructions and somehow PhantomJS, Chrome or Firefox aren't installed on the system, this module will spit out a selenium error that I can't catch and redirect. However, the error will not cause datasploit (or anything else) to hard fail/exit. So, I figure this rare edge case issue is mostly acceptable and far more acceptable/expected than 100% false negative results.