	A		B	C	D	E	F	G	H	I
1	FEATURES		amass	sublist3r	assetfinder	subfinder	findomain	oneforall	waybackurls	gau

2	360PassiveDNS		X
3	AbuseIPDB		X
4	Ahrefs		X
5	AlienVault		X			X		X		X
6	Anubis		X			X	X
7	Archiveis					X
8	ArchiveIt		X
9	Archirawl							X
10	ARIN		X
11	Arquivo		X
12	Ask		X	X				X
13	Baidu		X	X				X
14	BGPView		X
15	BinaryEdge		X			X		X
16	bing		X	X				X
17	BufferOver		X		X	X	X	X
18	BuiltWith		X
19	C99		X				X
20	Cebaidu							X
21	Censys		X			X		X
22	Certspotter		X		X	X	X	X
23	Chaos		X			X
24	Chinaz							X
25	CIRCL		X					X
26	Cloudflare		X					X
27	CommonCrawl		X			X		X	X	X
28	CRT.SH		X	X	X	X	X	X
29	Detectify		X
30	Digitorus		X
31	DNSDB		X			X		X
32	DNSDumpster		X	X		X		X
33	DNSlytics		X
34	DuckDuckGo		X
35	Entrust							X
36	Exalead
37	Facebook		X		X		X
38	FOFA		X					X
39	FullHunt		X
40	Gists		X
41	Gitee							X
42	GitHub		X			X		X
43	GitLab		X
44	Google		X	X				X
45	Greynose		X
46	HackerOne		X
47	HackerTarget		X		X	X		X
48	HAW		X
49	Hunter		X
50	HyperStat		X
51	Intelx		X			X
52	ip138							X
53	IPdata		X
54	IPinfo		X
55	IPV4info		X					X
56	LoCArchive
57	Maltiverse		X
58	Mnemonic		X
59	N45HT		X
60	Netcraft			X				X
61	NetworksDB		X
62	ONYPHE		X
63	OpenUKArchive
64	PassiveDns			X				X
65	PassiveTotal		X			X
66	PentestTools		X
67	PKey		X
68	PtrArchive							X
69	Quake		X
70	Pastebin		X
71	PTRArchive		X
72	Qianxun							X
73	RADb		X					X
74	RapidDns		X			X
75	Reverse DNS		X
76	Riddler		X			X		X
77	Riskiq							X
78	Recon					X
79	Robtex		X			X		X
80	SearchCode		X
81	Searx		X
82	SecurityTrails		X			X	X	X
83	ShadowServer		X
84	Shodan		X			X		X
85	SiteDossier		X			X		X
86	so							X
87	sogou							X
88	SonarSearch		X			X
89	Spamhaus		X
90	SpyOnWeb		X
91	Spyse		X		X	X	X	X
92	Sublist3rAPI		X			X	X
93	TeamCymru		X
94	ThreatBook		X			X		X
95	Threatcrowd		X	X	X	X	X	X
96	Threatkeeper							X
97	ThreatMiner		X			X	X
98	Twitter		X
99	UKWebArchive		X
100	Umbrella		X
101	URLScan		X				X			X
102	ViewDNS
103	VirusTotal		X	X	X	X	X	X	X
104	Wayback		X		X	X	X		X	X
105	WhoisXML		X
106	wzpc							X
107	Ximcx							X
108	Yahoo		X	X				X
109	Yandex							X
110	ZETAlytics		X
111	Zoomeye		X			X		X
112			87	11	9	32	14	48	3	4