Website Security
Urlscan.io - URL and website scanner → https://urlscan.io/

VirusTotal URL Search
VirusTotal → https://www.virustotal.com/gui/home/url

Threat Intelligence Platform → https://threatintelligenceplatform.com/

Is This Website Safe → https://safeweb.norton.com/

Safe Browsing site status → https://transparencyreport.google.com/safe-browsing/search?hl=en

WHOIS IP Lookup Tool → https://www.ultratools.com/tools/ipWhoisLookupResult

Find Website IP Address → https://www.ipvoid.com/find-website-ip/

IP Address Blacklist Check → https://www.ipvoid.com/ip-blacklist-check/

Check The Website’s SSL Certificate
See Your Entire Attack Surface in Real-Time. Get a current view of all of your organization's assets so you can proactively prevent targeted attacks and investigate suspicious activity. → https://censys.io/ipv4

SpiderFoot → https://www.spiderfoot.net/

Tools for Looking up Malicious Websites → https://zeltser.com/lookup-malicious-websites/

How to Tell if a Website is Dangerous → https://www.secjuice.com/how-to-tell-if-a-website-is-dangerous/

Malicious URL Scanner → https://www.ipqualityscore.com/threat-feeds/malicious-url-scanner

Threatlog - Malicious Domains Database
Database of malicious domains, fraudulent and phishing domains, malware domains database, threat intelligence feeds, detect potentially malicious domains. → https://www.threatlog.com/

Opswat - MetaDefender Cloud
Cloud-based Deep CDR, Multiscanning, Sandbox Dynamic Analysis, Hash and IP-Domain reputation with options for personal and commercial users. → https://metadefender.opswat.com/