# DNS Online Tools

##### DNS Check

- [DNS Check](https://dnscheck.app/)
- [DNSChecker](https://dnschecker.org/all-tools.php)
- [Google Admin Toolbox Dig](https://toolbox.googleapps.com/apps/dig/)
- [Google Admin Toolbox Check MX](https://toolbox.googleapps.com/apps/checkmx/)
- [Nslookup.io](https://www.nslookup.io/)

##### SPF/DKIM/DMARC Check

- [Postmaster Tools (google.com)](https://postmaster.google.com/managedomains)

##### WHOIS Search

- [WHOIS Search, Domain Name, Website, and IP Tools - Who.is](https://who.is/)
- [Domain WHOIS Search | EuroDNS](https://www.eurodns.com/whois-search)

##### Domain Tools

- [tldx](https://github.com/brandonyoungdev/tldx) - 以關鍵字搜尋可用網域名稱