One of the simplest methods I’ve found around this is to ask Google instead. With a simple
my ip in any search bar, you’ll get your public address quickly and reliably.
You can, however, also use DNS to query Google in the same way:
dig @ns1.google.com TXT o-o.myaddr.l.google.com +short
This returns your actual IP address. Notice how it’s a
TXT record instead of an
AAAA? This prevents you from pretending you’re Google, but I’m curious if there are other reasons to return this as a
Also of note is that the
@ns1.google.com argument is required. This directs
dig to speak directly to Google’s nameservers. If you don’t add this, you will get the address of your upstream provider’s DNS server that proxies the authoritative server’s request, which can also be helpful but not accurate if you want your address.