another example from o2switch (little french registar)
[root@ns7loc6 ~]# /usr/bin/dig @1.1.1.1 +short +tries=1 +retry=0 +time=2 default._domainkey.aru2l.net TXT
"v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvgvGUYXbecltc41hFGbseMLU239FEQlj7IzHehCK43c9NwD+MYlBIIPzUL6pNs6zogUabCFz/DawqWwhEg1nn8RR5dm2Dc0KKE0RsRQqGJpvn24S46y/+cQ7zqrMrldcUTFtsLuIIEgLORqM1MqnHZeD6iRdTdNBw5kfFyA/Mzta8Ncxex9d3PT2vnIOwB7Df" "S72WpGv1vhaqbGdMyDbhvoCE7j/1aV68+jC9ZJ3yTrV6SxsFzZzoLs70I+Ya6J0U38hFCizE1/RVr9oGn2nljKWdem73T82pfZI4+JKD0B1mpij64fL/zWAuDTjjWfD2XRDZWTQWh+BdQxHN2VeaQIDAQAB;"