https/http URLs for the services:
http or https may be use with their respective default ports 80 and 443,
domain names that may be used:

• www.balug.org (dual stack: this service available via IPv4 and IPv6)
  
• www.ipv4.balug.org (this service available only via IPv4)
  
• www.ipv6.balug.org (this service available only via IPv6)
  

Note that in the above, if the www. prefix is omitted, will HTTP redirect to include the www. prefix.
Path portion of URL/URI:
/myip
So, e.g:
https://www.balug.org/myip http://www.balug.org/myip
https://www.ipv4.balug.org/myip http://www.ipv4.balug.org/myip
https://www.ipv6.balug.org/myip http://www.ipv6.balug.org/myip

domain names that may be used:

• balug.org (dual stack: this service available via IPv4 and IPv6)
  
• ipv4.balug.org (this service available only via IPv4)
  
• ipv6.balug.org (this service available only via IPv6)
  

Note that the above may optionally be prefixed by www.
user / login name, use myip, e.g. ssh myip@balug.org or ssh -l myip balug.org
There is no password and password is neither needed nor requested.