Dynamic DNS on HE.net

I was using ZoneEdit and set my ddns there like:

But it’s worse than it was.

The HE.net, hurricane electronic, was known by its IPv6 tunnel, also providing free dynamic dns service, no monthly reactivation required like no-ip.

https://dns.he.net/
Register and Sign in, add a domain and add an A record, check the Enable entry for dynamic dns, save and then click the renew icon, which means Generate a DDNS key, generate the key or enter your own key twice, save.

Then curl like:

or

Dynamic DNS on HE.net by @sskaje: https://sskaje.me/2014/04/dynamic-dns-he-net/