DNSQueries provides information regarding a website or IP address and additional tools that may be helpful for webmasters or network administrators. With this online platform you can check domain health, find IP neighbors for a website, perform reverse DNS lookup, DNS transversal or view geolocation (country) for an IP.
In addition, this alternative of DNSSftuff offers useful tools that helps to test programming formulas such as regular expressions, encrypt a string, encode or decode URL, view HTTP headers, ping an IP address to see if it responds or check SMTP mail server.
Another set of options allows to simulate Googlebot to see how a website responds to Googlebot user agent, make Gzip test to see if compression is enabled for a web page, a keyword density analyzer and more.