ddclient / ddclient

Ddclient updates dynamic DNS entries for accounts on a wide range of dynamic DNS services.

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https://domains.google.com/checkip will stop working

surlyhacker opened this issue · comments

ddclient seems to use https://domains.google.com/checkip as the default for the webv4 and webv6 options for web-based IP lookup, and of course otherwise supports google domains for dynamic dns.

I asked Google Domains support about the future of https://domains.google.com/checkip, and they told me:

"we have confirmed that the URL https://domains.google.com/checkip will no longer work once the domains have migrated to Squarespace"

So I would suggest that Google Domains no longer be the default for webv4/webv6 prior to that happening, so that there are no issues for users.

I don't know if this answer from their support team is accurate, but to be safe, we should assume it is.

They've also said:

"We're afraid that we do not have the exact date when the URL will stop working. We suggest checking the URL from time to time after the Squarespace migration is complete."

This migration is almost complete, I would say:
https://cloud.google.com/domains/docs/deprecations/feature-deprecations

Good to know - time to pick a different default then.

Out of curiosity, if you still have open contact with their support - would they be able to share usage stats from the ddclient user agent?

I started looking a little bit into switching over

The legacy web parameter defaults to dyndns (http://checkip.dyndns.org/). However they list a 10 minute polling interval as policy. ddclient has no mechanism of enforcing an IP query delay like it has for domain updates (mtime/atime). They are also http-only and I'd prefer to pick a HTTPS capable service as the new default.

I could not find policies for freedns (https://freedns.afraid.org/dynamic/check.php) and he (https://checkip.dns.he.net/)

I haven't looked into the others yet.

WIP list - this might get moved into the README or similar later:

IP checker HTTPS IPv4 IPv6 Use policy
dyndns ✔️ 10 Minute interval, prefer local interface. See here
freedns ✔️ ✔️ Unknown
he ✔️ ✔️ ✔️ Unknown
ip6.me (IPv4, IPv6, DualStack) ✔️ ✔️ ✔️ Prefer HTTP where viable, keep trailing slash, good netizen behavior (paraphrasing). See here and here
ipify (IPv4, IPv6, DualStack) ✔️ ✔️ ✔️ No limits. See here
loopia ✔️ ✔️ Unknown
myonlineportal ✔️ ✔️ ✔️ Unknown. See here
noip (IPv4 IPv6) ✔️ ⚠️¹ Unknown
nsupdate (IPv4 IPv6) ✔️ ✔️ ✔️ Unknown
zoneedit ✔️ ✔️ Unknown

¹: I got a certificate error for the IPv6 domain. The IPv4 domain does not work over HTTPS.

The default has been updated to ipify and deprecation warnings were added for the googledomain setting.
See 5b104ad.

Keeping this open until the checking URL is fully shut down - then I'll remove it and close this.

Out of curiosity, if you still have open contact with their support - would they be able to share usage stats from the ddclient user agent?

I asked, but the support team could barely understand what I was asking and they do not seem to be able to provide such stats.

WIP list - this might get moved into the README or similar later:

Awesome. That table is super useful.

The default has been updated to ipify and deprecation warnings were added for the googledomain setting.

Thanks so much! @LenardHess

Hi, we have a few Azure pipelines using the https://domains.google.com/checkip uri and noticed the service stopped working last Saturday or so (July 20, 2024).
Searching for a replacement now. That table looks good. Thanks.