Update free_subdomain_hosts.txt (#611)

Co-authored-by: Sorted Order Validation <hello@sublimesecurity.com>

Author: brycampbell

free_subdomain_hosts.txt

@@ -140,6 +140,7 @@ hot.lc
 hp.lc
 hund.in
 id.vg
+ignorelist.com
 infinityfree.com
 info.nu
 infos.cx