dig +dnssec kskroll-sentinel-is-ta-20326.iis.se
dig +dnssec kskroll-sentinel-not-ta-20326.iis.se
dig +dnssec kskroll-sentinel-is-ta-19036.iis.se
dig +dnssec kskroll-sentinel-not-ta-19036.iis.se
All with the same result. No answer section.
dig +dnssec iis.se
iis.se. 60 IN A 91.226.37.214
iis.se. 60 IN RRSIG A 5 2 60 20180615103001 20180605103001 6150 iis.se. XAbt3nM5DmpsDsvZN6gRW94mGwTsCYpAQxurTJYp4FHZXaXt82o+3SMD ZEZjWsDswy3WsYp087Wx7Y4sH6HbuP0VYuwg1yLsBegrj6xNlcd5JarN wi8ZGbTytnDBG5rvpqwUp8fat3ZZ6kko4t7BtsD4cFzdL2xpw4MPbBKz p0s=
What am I doing wrong?