dcs4.com is a search and monitoring site for 4-letter .com domains. It indexes availability, lets users search patterns such as * and ?, and provides available, premium, and expiring-domain views. The pricing page says the free tier includes availability search plus WHOIS and expiry dates; Pro adds dropped-domain search, exports, AI chat, and email alerts. Domain sniping is offered separately.
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For domain investors, founders, and naming teams researching short .com names or monitoring drops. It is best for domain discovery and tracking; users wanting exports, AI chat, or deeper dropped-domain search need Pro.
The Free plan is $0 and includes the availability index, search, WHOIS records, and expiry dates. Pro is $29/month and adds dropped-domain search, list exports, AI Domain Chat Assistant, and email alerts. Sniping is available to everyone at $19 per domain, with $15 refunded if the domain is not won. The site says no card is required to browse.
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