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.
Document Consistency Check: Find Contradictions — Reads one pasted document, such as a report, proposal, article, contract draft or spec, and lists every place where it contradicts itself, as strict JSON with both confli...
Nameserver health for a domain: every NS hostname resolves to an address, SOA serial and primary, minimum-two-nameserver rule, and whether all nameservers share the same parent (single point of failure). Zone reliability...
DNS vs HTTP consistency: resolves the domain's A/AAAA records, fetches the site over HTTPS, and reports whether the served response looks consistent (status, final host, whether the response is fronted by a CDN like Clou...
DNS propagation check: resolves a domain's A and MX records through three independent public resolvers (Cloudflare 1.1.1.1, Google 8.8.8.8, Quad9) and reports whether all agree. Verify a DNS change has propagated after a...