$ dig @1.1.1.1 txt 050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org
; <<>> DiG 9.11.32-RedHat-9.11.32-1.fc33 <<>> @1.1.1.1 txt 050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45658
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org. IN TXT
;; ANSWER SECTION:
050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org. 1 IN TXT "s_ZEEC5vpa3lXOg6mH5vOiHupS7zX4_qOlGiA27sM44"
050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org. 1 IN TXT "cPg8zeluYF5EEcYQc0qagECbzzaNkNvWpMU4jtHYb4w"
;; Query time: 290 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: Mi Jun 09 08:39:44 CEST 2021
;; MSG SIZE rcvd: 201
$ dig @acme-dns.sembritzki.org txt 050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org
; <<>> DiG 9.11.32-RedHat-9.11.32-1.fc33 <<>> @acme-dns.sembritzki.org txt 050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22800
;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org. IN TXT
;; ANSWER SECTION:
050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org. 1 IN TXT "s_ZEEC5vpa3lXOg6mH5vOiHupS7zX4_qOlGiA27sM44"
050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org. 1 IN TXT "cPg8zeluYF5EEcYQc0qagECbzzaNkNvWpMU4jtHYb4w"
;; Query time: 27 msec
;; SERVER: 5.45.101.249#53(5.45.101.249)
;; WHEN: Mi Jun 09 08:43:15 CEST 2021
;; MSG SIZE rcvd: 321
$ dig @8.8.8.8 txt 050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org
; <<>> DiG 9.11.32-RedHat-9.11.32-1.fc33 <<>> @8.8.8.8 txt 050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 63132
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;050e927c-5e91-4ef3-8357-26c2fed333fe.acme-dns.sembritzki.org. IN TXT
;; Query time: 31 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Mi Jun 09 08:39:49 CEST 2021
;; MSG SIZE rcvd: 89
I have also used the google dns cache flush, but that didn't help.