Table 6.

Dataset attributes based on resolving URL and external services.

Nr.	Attribute	Format	Description	Values
1	time_response	Domain lookup time response	Numeric
2	domain_spf	Domain has SPF ${}^2$	Boolean	[0, 1]
3	asn_ip	ASN ${}^3$	Numeric
4	time_domain_activation	Domain activation time (in days)	Numeric
5	time_domain_expiration	Domain expiration time (in days)	Numeric
6	qty_ip_resolved	Number of resolved IPs	Numeric
8	qty_nameservers	Number of resolved NS${}^4$	Numeric
9	qty_mx_servers	Number of MX ${}^5$servers	Numeric
10	ttl_hostname	Time-To-Live (TTL)	Numeric
11	tls_ssl_certificate	Has valid TLS ${}^6$/SSL ${}^7$certificate	Boolean	[0, 1]
12	qty_redirects	Number of redirects	Numeric
13	url_google_index	Is URL indexed on Google	Boolean	[0, 1]
14	domain_google_index	Is domain indexed on Google	Boolean	[0, 1]
15	url_shortened	Is URL shortened	Boolean
16	phishing	Is phishing website	Boolean	[0, 1]