菜单
DNS and domain information lookup. Use for checking DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA), WHOIS data, and domain availability. Helps with domain research, troubleshooting DNS issues, and finding if a domain is registered or free.
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
基于 SOC 职业分类
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Read this skill before making git commits
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| name | dns-lookup |
| description | DNS and domain information lookup. Use for checking DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA), WHOIS data, and domain availability. Helps with domain research, troubleshooting DNS issues, and finding if a domain is registered or free. |
| compatibility | Requires dig, whois, and host commands (available by default on macOS and most Linux distributions). |
Query DNS records, WHOIS information, and check domain availability.
./scripts/dns-records.sh <domain>
Returns all common DNS record types (A, AAAA, MX, TXT, NS, CNAME, SOA).
./scripts/dns-record.sh <domain> <type>
Query a specific record type:
A - IPv4 addressAAAA - IPv6 addressMX - Mail serversTXT - Text records (SPF, DKIM, etc.)NS - Name serversCNAME - Canonical name (alias)SOA - Start of authorityCAA - Certificate authority authorizationSRV - Service recordsPTR - Reverse DNSExample:
./scripts/dns-record.sh google.com MX
./scripts/dns-record.sh example.com TXT
./scripts/whois.sh <domain>
Returns WHOIS registration data including:
./scripts/available.sh <domain>
Checks if a domain is registered or available for purchase.
./scripts/bulk-available.sh <domain-list-file>
# or
echo -e "example1.com\nexample2.com" | ./scripts/bulk-available.sh
Check multiple domains at once.
./scripts/report.sh <domain>
Comprehensive report including:
# Check all DNS records for a domain
./scripts/dns-records.sh github.com
# Check if a domain is available
./scripts/available.sh my-cool-startup.com
# Get WHOIS info
./scripts/whois.sh anthropic.com
# Full report
./scripts/report.sh linear.app
| Task | Command |
|---|---|
| Find mail servers | ./scripts/dns-record.sh domain.com MX |
| Check SPF/DKIM | ./scripts/dns-record.sh domain.com TXT |
| Find who owns domain | ./scripts/whois.sh domain.com |
| Is domain taken? | ./scripts/available.sh domain.com |
| Debug DNS issues | ./scripts/report.sh domain.com |