Dan .com
https://dan.com/
Domain Sherpa
https://www.domainsherpa.com/
Estibot
https://www.estibot.com/
Name Bio
https://namebio.com/
EstiBot.com – Help Me Sell My Domain
https://www.estibot.com/help-me-sell?domain=cleangreen.com
Appraise | Domainindex.com
https://domainindex.com/
Sell Domains on Afternic’s Premiere Domain Marketplace – Afternic
https://www.afternic.com/sell-domains
Uni Market – Sell & buy domain names
https://uniregistry.com/market
Market Fees & Rules | Uniregistry
https://uniregistry.com/market-fees-rules
Hosting Finder – Find Out Who Is Hosting Any Website
https://websitelearners.com/hosting-finder/
Whois Lookup, Domain Availability & IP Search – DomainTools
https://research.domaintools.com/
Expired Domains dot Net
https://www.expireddomains.net/
Media Options (domain broker)
https://mediaoptions.com/domain-broker