https://blog.agentthread.dev/ko/tags/%EB%8F%84%EB%A9%94%EC%9D%B8/Recent content in 도메인 on Yarang's Tech LairHugo -- gohugo.iokoMon, 09 Mar 2026 00:20:00 +0900https://blog.agentthread.dev/ko/post/%EA%B0%9C%EB%B0%9C%EC%9E%90-%EC%83%9D%EC%82%B0%EC%84%B1%EC%9D%84-%EB%86%92%EC%9D%B4%EB%8A%94-%EB%8F%84%EA%B5%AC-domain-checker-skill-%EC%86%8C%EA%B0%9C/Mon, 09 Mar 2026 00:20:00 +0900https://blog.agentthread.dev/ko/post/%EA%B0%9C%EB%B0%9C%EC%9E%90-%EC%83%9D%EC%82%B0%EC%84%B1%EC%9D%84-%EB%86%92%EC%9D%B4%EB%8A%94-%EB%8F%84%EA%B5%AC-domain-checker-skill-%EC%86%8C%EA%B0%9C/<h1 id="개발자-생산성을-높이는-도구-domain-checker-skill-소개">개발자 생산성을 높이는 도구: Domain Checker Skill 소개 </h1><p>새로운 프로젝트를 시작할 때 가장 먼저 고민하는 것은 무엇일까요? 바로 &ldquo;도메인 이름&quot;입니다.</p> <p>가장 원하는 이름이 .com이나 .ai에 이미 등록되어 있다면? 그때마다 whois 사이트들을 일일이 방문하셨나요?</p> <p>저도 그랬습니다. 그래서 만들었습니다.</p> <h2 id="문제-도메인-검색의-반복-작업">문제: 도메인 검색의 반복 작업 </h2><p>스타트업 창업자나 개발자라면 한 번쯤 겪는 상황입니다:</p> <ol> <li>원하는 도메인이 이미 등록됨</li> <li>whois 사이트 10번 방문</li> <li>엑셀에 수동으로 비교표 작성</li> <li>대안 도메인명 머리로 고민</li> </ol> <p>이 과정은 시간 낭비이자, 창의력을 갉아먹는 반복 작업입니다.</p> <h2 id="해결책-domain-checker-skill">해결책: Domain Checker Skill </h2><p><strong>Domain Checker</strong>는 Claude Code용 스킬로, 도메인 등록 가능 여부를 실시간으로 확인하고 비용을 비교합니다.</p> <h3 id="주요-기능">주요 기능 </h3><table> <thead> <tr> <th>기능</th> <th>설명</th> </tr> </thead> <tbody> <tr> <td><strong>빠른 병렬 조회</strong></td> <td>8개 주요 TLD를 동시에 확인</td> </tr> <tr> <td><strong>3단계 폴백</strong></td> <td>RDAP → whois → DNS (신뢰성 보장)</td> </tr> <tr> <td><strong>대안 자동 추천</strong></td> <td>원하는 도메인이 모두 등록된 경우 대안 자동 탐색</td> </tr> <tr> <td><strong>비용 비교표</strong></td> <td>TLD별 연간 비용 및 최소 계약 기간 표시</td> </tr> <tr> <td><strong>마크다운 보고서</strong></td> <td>상세 결과 보고서 자동 생성</td> </tr> </tbody> </table> <h3 id="사용법">사용법 </h3><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="color:#75715e"># 기본 조회</span> </span></span><span style="display:flex;"><span>/domain-checker myapp </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#75715e"># 결과 예시</span> </span></span><span style="display:flex;"><span>🔍 도메인 검색: myapp* </span></span><span style="display:flex;"><span> 🔴 myapp.com <span style="color:#f92672">(</span>~$13/년<span style="color:#f92672">)</span> </span></span><span style="display:flex;"><span> 🔴 myapp.ai <span style="color:#f92672">(</span>~$75/년<span style="color:#f92672">)</span> </span></span><span style="display:flex;"><span> 🟢 myapp.io <span style="color:#f92672">(</span>~$38/년<span style="color:#f92672">)</span> ← 등록 가능! </span></span></code></pre></div><h3 id="조회-대상-tld">조회 대상 TLD </h3><table> <thead> <tr> <th>TLD</th> <th>연간 비용</th> <th>최소 계약</th> <th>특징</th> </tr> </thead> <tbody> <tr> <td>.com</td> <td>~$13</td> <td>1년</td> <td>범용, 최고 인지도</td> </tr> <tr> <td>.ai</td> <td>~$75</td> <td><strong>2년</strong></td> <td>AI 프로젝트 특화</td> </tr> <tr> <td>.io</td> <td>~$38</td> <td>1년</td> <td>테크 스타트업 선호</td> </tr> <tr> <td>.net</td> <td>~$14</td> <td>1년</td> <td>.com 대안</td> </tr> <tr> <td>.co</td> <td>~$28</td> <td>1년</td> <td>스타트업 인기</td> </tr> <tr> <td>.dev</td> <td>~$13</td> <td>1년</td> <td>개발자 타겟</td> </tr> <tr> <td>.tech</td> <td>~$12</td> <td>1년</td> <td>기술 관련, 저가</td> </tr> <tr> <td>.app</td> <td>~$14</td> <td>1년</td> <td>앱 서비스 특화</td> </tr> </tbody> </table> <h2 id="기술적-세부사항">기술적 세부사항 </h2><h3 id="3단계-폴백-메커니즘">3단계 폴백 메커니즘 </h3><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-fallback" data-lang="fallback"><span style="display:flex;"><span>1. RDAP API → 가장 정확, 빠름 </span></span><span style="display:flex;"><span>2. whois CLI → RDAP 실패 시 폴백 </span></span><span style="display:flex;"><span>3. DNS NS 조회 → 최후 수단 </span></span></code></pre></div><h3 id="대안-도메인-추천">대안 도메인 추천 </h3><p>모든 주요 도메인이 등록된 경우 자동으로 대안을 탐색합니다:</p> <p><strong>탐색 패턴:</strong></p> <ul> <li>접두사: <code>get</code>, <code>try</code>, <code>use</code>, <code>go</code>, <code>my</code>, <code>the</code></li> <li>접미사: <code>hq</code>, <code>app</code>, <code>hub</code>, <code>lab</code>, <code>pro</code></li> </ul> <p><strong>예시:</strong> <code>myapp</code> → <code>getmyapp.ai</code>, <code>myapp-hq.io</code>, <code>trymyapp.com</code></p> <h3 id="비동기-병렬-처리">비동기 병렬 처리 </h3><p>Python 비동기 프로그래밍을 활용하여 8개 TLD를 동시에 조회하므로 2초 내에 결과를 확인할 수 있습니다.</p> <h2 id="실제-사용-예시">실제 사용 예시 </h2><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>/domain-checker ai </span></span></code></pre></div><p><strong>결과:</strong></p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-mysql" data-lang="mysql"><span style="display:flex;"><span><span style="color:#75715e"># 🌐 도메인 검색 보고서: `ai` </span></span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#75715e">## 요약 </span></span></span><span style="display:flex;"><span><span style="color:#f92672">|</span> <span style="color:#960050;background-color:#1e0010">항목</span> <span style="color:#f92672">|</span> <span style="color:#960050;background-color:#1e0010">결과</span> <span style="color:#f92672">|</span> </span></span><span style="display:flex;"><span><span style="color:#f92672">|</span><span style="color:#75715e">------|------| </span></span></span><span style="display:flex;"><span><span style="color:#f92672">|</span> <span style="color:#960050;background-color:#1e0010">검색</span> <span style="color:#960050;background-color:#1e0010">도메인</span> <span style="color:#f92672">|</span> <span style="color:#f92672">`</span>ai<span style="color:#f92672">`</span> <span style="color:#f92672">|</span> </span></span><span style="display:flex;"><span><span style="color:#f92672">|</span> <span style="color:#960050;background-color:#1e0010">조회</span> TLD <span style="color:#960050;background-color:#1e0010">수</span> <span style="color:#f92672">|</span> <span style="color:#ae81ff">8</span><span style="color:#960050;background-color:#1e0010">개</span> <span style="color:#f92672">|</span> </span></span><span style="display:flex;"><span><span style="color:#f92672">|</span> <span style="color:#960050;background-color:#1e0010">🟢</span> <span style="color:#960050;background-color:#1e0010">등록</span> <span style="color:#960050;background-color:#1e0010">가능</span> <span style="color:#f92672">|</span> <span style="color:#f92672">**</span><span style="color:#ae81ff">0</span><span style="color:#960050;background-color:#1e0010">개</span><span style="color:#f92672">**</span> <span style="color:#f92672">|</span> </span></span><span style="display:flex;"><span><span style="color:#f92672">|</span> <span style="color:#960050;background-color:#1e0010">🔴</span> <span style="color:#960050;background-color:#1e0010">이미</span> <span style="color:#960050;background-color:#1e0010">등록됨</span> <span style="color:#f92672">|</span> <span style="color:#ae81ff">8</span><span style="color:#960050;background-color:#1e0010">개</span> <span style="color:#f92672">|</span> </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#75715e">## 💡 대안 도메인명 추천 </span></span></span><span style="display:flex;"><span><span style="color:#f92672">`</span>ai<span style="color:#f92672">`</span><span style="color:#960050;background-color:#1e0010">의</span> <span style="color:#960050;background-color:#1e0010">변형</span> <span style="color:#960050;background-color:#1e0010">중</span> <span style="color:#960050;background-color:#1e0010">등록</span> <span style="color:#960050;background-color:#1e0010">가능한</span> <span style="color:#960050;background-color:#1e0010">도메인입니다</span>. </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span><span style="color:#f92672">|</span> <span style="color:#960050;background-color:#1e0010">도메인</span> <span style="color:#f92672">|</span> <span style="color:#960050;background-color:#1e0010">연간</span> <span style="color:#960050;background-color:#1e0010">비용</span> <span style="color:#f92672">|</span> <span style="color:#960050;background-color:#1e0010">비고</span> <span style="color:#f92672">|</span> </span></span><span style="display:flex;"><span><span style="color:#f92672">|</span><span style="color:#75715e">--------|-----------|------| </span></span></span><span style="display:flex;"><span><span style="color:#f92672">|</span> <span style="color:#f92672">`</span>ai<span style="color:#f92672">-</span>hq.ai<span style="color:#f92672">`</span> <span style="color:#f92672">|</span> <span style="color:#f92672">~</span><span style="color:#960050;background-color:#1e0010">$</span><span style="color:#ae81ff">75</span><span style="color:#f92672">/</span><span style="color:#960050;background-color:#1e0010">년</span> <span style="color:#f92672">|</span> AI <span style="color:#960050;background-color:#1e0010">특화</span> (<span style="color:#960050;background-color:#1e0010">최소</span> <span style="color:#ae81ff">2</span><span style="color:#960050;background-color:#1e0010">년</span> <span style="color:#960050;background-color:#1e0010">계약</span>) <span style="color:#f92672">|</span> </span></span><span style="display:flex;"><span><span style="color:#f92672">|</span> <span style="color:#f92672">`</span>ai<span style="color:#f92672">-</span>hq.io<span style="color:#f92672">`</span> <span style="color:#f92672">|</span> <span style="color:#f92672">~</span><span style="color:#960050;background-color:#1e0010">$</span><span style="color:#ae81ff">38</span><span style="color:#f92672">/</span><span style="color:#960050;background-color:#1e0010">년</span> <span style="color:#f92672">|</span> <span style="color:#960050;background-color:#1e0010">테크</span> <span style="color:#960050;background-color:#1e0010">스타트업</span> <span style="color:#960050;background-color:#1e0010">선호</span> <span style="color:#f92672">|</span> </span></span></code></pre></div><h2 id="github-공개">GitHub 공개 </h2><p>이 스킬은 오픈소스로 공개되어 있습니다.</p> <p>🔗 <strong>GitHub:</strong> <a class="link" href="https://github.com/yarang/skill-domain-checker" target="_blank" rel="noopener" >https://github.com/yarang/skill-domain-checker</a></p> <h3 id="설치-방법">설치 방법 </h3><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>git clone https://github.com/yarang/skill-domain-checker.git </span></span><span style="display:flex;"><span>cp -r skill-domain-checker ~/.claude/skills/domain-checker </span></span></code></pre></div><h2 id="비즈니스-가치">비즈니스 가치 </h2><table> <thead> <tr> <th>측면</th> <th>개선 효과</th> </tr> </thead> <tbody> <tr> <td><strong>시간 절약</strong></td> <td>도메인 검색 시간 90% 단축 (10분 → 1분 이내)</td> </tr> <tr> <td><strong>비용 효율</strong></td> <td>TLD별 비교로 최적 선택 지원</td> </tr> <tr> <td><strong>문서화</strong></td> <td>자동 생성된 보고서로 팀 공유 용이</td> </tr> <tr> <td><strong>생산성</strong></td> <td>반복 작업 자동화로 핵심 문제 집중</td> </tr> </tbody> </table> <h2 id="결론">결론 </h2><p>Domain Checker는 단순한 도메인 검색 도구가 아닙니다. 개발자와 창업가가 반복 작업에서 벗어나 진짜 중요한 문제에 집중할 수 있도록 돕는 생산성 도구입니다.</p> <p>AI와 자동화를 통해 일상의 작은 불편함을 해소하고, 우리는 더 큰 가치를 창출할 수 있습니다.</p> <hr> <p><strong>관련 프로젝트:</strong></p> <ul> <li><a class="link" href="https://github.com/yarang/skill-server-status-checker" target="_blank" rel="noopener" >server-status-checker</a> - SSH config 기반 서버 상태 확인 도구</li> </ul> <p><strong>영어 버전:</strong> <a class="link" href="https://blog.agentthread.dev/post/2026-03-09-001-domain-checker-skill-introduction/" >English Version</a></p>