testdns.app
testdns.app is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-09-18 and last crawled it on 2026-09-18. It resolves to 104.21.34.223. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
Test DNS Records Online - Free DNS Lookup & Checker | testDNS.app
Test DNS records instantly. Free online DNS lookup tool to check A, AAAA, MX, CNAME, TXT, NS, SOA, CAA, DNSSEC, SPF, DMARC records and WHOIS data for any domain.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-09-18 |
| Last crawled | 2026-09-18 |
| IPv4 | 104.21.34.223 |
| IPv6 | 2606:4700:3030::ac43:a5ec |
| Network | AS13335 Cloudflare, Inc. · United States |
| Language | en |
| Server | cloudflare |