FollowI use the following url’s frequently as part of my system administration job.
Today i decided to keep these url’s in a single page for quick reference.
To find your ISP ip
http://www.whatismyip.com/
DNS Lookup
http://network-tools.com/
http://www.mxtoolbox.com/DNSLookup.aspx
http://www.dnswatch.info/
http://www.dnsstuff.com/
MX lookup
http://www.mxtoolbox.com/
Spam lookup
http://www.spamhaus.org/lookup.lasso
whatismyipaddress.com/blacklist-check
http://www.mxtoolbox.com/blacklists.aspx
SSL Verification
https://www.ssllabs.com/ssltest/
http://www.digicert.com/help/
https://knowledge.verisign.com/support/ssl-certificates-support/index?page=content&id=AR1130&actp=LIST&viewlocale=en_U
Vulnerable file check
http://unmaskparasites.com/
Hope this will be helpful for you also 🙂
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