Allow 63 char TLD
TLDs are allowed to be up to 63 characters (RFC 1034: https://tools.ietf.org/html/rfc1034), though the current longest is 24 (wget -qO - http://data.iana.org/TLD/tlds-alpha-by-domain.txt | tail -n+2 | wc -L). Fixes #3500 (closed)
TLDs are allowed to be up to 63 characters (RFC 1034: https://tools.ietf.org/html/rfc1034), though the current longest is 24 (wget -qO - http://data.iana.org/TLD/tlds-alpha-by-domain.txt | tail -n+2 | wc -L). Fixes #3500 (closed)