4 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
DNS A record lookup — resolve any hostname or domain to its IPv4 addresses, returned as a clean JSON list. For host resolution, connectivity and uptime checks, IP-reputation enrichment and infrastructure mapping.
DNS lookup for any domain in one call: A records (IPv4), MX records with priority, all TXT records, the inferred mail provider, and whether SPF and DMARC records exist. Fast DNS-over-HTTPS resolution, JSON output, no API...
DNS A record lookup: resolve a domain name to its IPv4 addresses with TTL, record count, DNSSEC validation flag and response code, via DNS-over-HTTPS. Fast, no API key. $0.01 per lookup.
DNS record lookup in one GET: A, AAAA, CNAME, MX, NS, TXT, SOA or CAA for one hostname, with TTL and the record data. curl: GET /dns?name=example.com&type=A (type defaults to A). Response: {"query":{"name":"example.com",...