switch.nic.cat has no TXT records.
Question and response
Question
dig switch.nic.cat. TXT
Answer
The response has no answer records.
Authority
nic.cat. 86400 SOA anycast1.irondns.net. dnsmaster.irondns.net. 2020101295 10800 3000 2419200 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0