Simple /etc/hosts manipulation
Check if the internet connection is up
Utils to deal with TCP ports and hostnames. Safe for everyday use.
Convert 'hostname:port' strings to BitTorrent's compact ip/host binary returned by Trackers
Maxmind GeoIP2 Web Services (unofficial) - Lookup and geolocate IP-address or hostname
Library to work against complex domain names, subdomains and URIs.
Check if the hostname of an email has a MX or A record
Like `path.join` but for urls.
Exports the correct PORT and HOSTNAME values for Heroku, AppFog, CloudFoundry, OpenShift, and other service environments
Lax `url.format()` that formats a hostname and port into IPv6-compatible socket form of `hostname:port`
Validate Domain Names as outlined by RFC 2181
Extract the TLD/domain/subdomain parts of an URL/hostname against mozilla TLDs 'official' listing .
Extracts the hostname from an url.
Check domain SSL/TLS setup with the SSL Decoder.org API (unofficial)
Check whether or not an hostname refer to a private IP
Check whether you are connected to Network or not
Host file manager for command line.
Using net-ping to check internet connectivity.
Validate URLs for sane values
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