I also ask because the entry for the ucs-sso is set in the UMC -> Domain -> DNS.
However, the name cannot be resolved:
root@tux:~# dig ucs-sso.stedry.local
; <<>> DiG 9.10.3-P4-Univention <<>> ucs-sso.stedry.local
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 45363
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4000
;; QUESTION SECTION:
;ucs-sso.stedry.local. IN A
;; AUTHORITY SECTION:
stedry.local. 3600 IN SOA stdc01.stedry.local. hostmaster.stedry.local. 6301 900 600 86400 3600
;; Query time: 0 msec
;; SERVER: 192.168.1.22#53(192.168.1.22)
;; WHEN: Fri Dec 11 10:06:20 CET 2020
;; MSG SIZE rcvd: 115