DNS Lookup API
Resolve DNS records — A, AAAA, MX, NS, TXT, CNAME, SOA, SRV, CAA, PTR — for any domain, fetch all common records in a single call, or run a reverse PTR lookup for an IPv4 address. Backed by Google DNS-over-HTTPS. Ideal for devops tooling, uptime and email-deliverability checks (SPF/DKIM/DMARC), security research and domain monitoring.
api.oanor.com/dns-api