My gitlab-pages page just lost it's IP address and is not reachable anymore

I’m using gitlab pages to serve some debian packages I’m building with gitlab CI. Serving debian packages with the built in package repositories is not supported yet, so this is my workaround until that is ready.

Today I noticed that the DNS record for my gitlab pages doesn’t have a valid IPv6 address anymore. So the AAAA record is missing and I can’t reach it anymore. The IPv4 record is still there, so it seems only IPv6 is broken.

Can someone check or tell me what happened?

The repo in question is XenGi / Debian / repo · GitLab
Pages are served under: https://deb.xengi.de/

Here’s the DNS:

$ dig @2606:4700:4700::1111 deb.xengi.de AAAA

; <<>> DiG 9.16.27-Debian <<>> @2606:4700:4700::1111 deb.xengi.de AAAA
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53927
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;deb.xengi.de.			IN	AAAA

;; AUTHORITY SECTION:
xengi.de.		3600	IN	SOA	ns.inwx.de. hostmaster.inwx.de. 2022052600 10800 3600 604800 3600

;; Query time: 24 msec
;; SERVER: 2606:4700:4700::1111#53(2606:4700:4700::1111)
;; WHEN: Mon Aug 29 16:54:06 CEST 2022
;; MSG SIZE  rcvd: 96