…looking back at comments, I found out this domain blocked as well, somewhat similar config... (192.168.0.1 being my VIP)
grep steepto.com /var/db/pfblockerng/dnsbl/.txt /var/db/pfblockerng/dnsblorig/.orig /var/unbound/pfb_dnsbl.conf /usr/local/pkg/pfblockerng/dnsbl_tld
/var/db/pfblockerng/dnsbl/easy_list.txt:local-data: "steepto.com 60 IN A 192.168.0.1"
/var/db/pfblockerng/dnsblorig/ad_servers.orig:127.0.0.1 imgg.steepto.com
/var/db/pfblockerng/dnsblorig/easy_list.orig:||steepto.com^$third-party
/var/db/pfblockerng/dnsblorig/easylist.orig:||steepto.com^$third-party
/var/db/pfblockerng/dnsblorig/hpHosts.orig:127.0.0.1 imgg.steepto.com
/var/db/pfblockerng/dnsblorig/hpHosts_ads.orig:127.0.0.1 imgg.steepto.com
/var/unbound/pfb_dnsbl.conf:local-zone: "steepto.com" redirect local-data: "steepto.com 60 IN A 192.168.0.1"