isitdns

Name: isitdns
Author: net.isitdns

MCP serverMCP

Is it DNS? Audit a site or domain that isn't working: one call says if it resolves and why. No key.

by net.isitdnshomepage ↗v2026-10-07.2

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Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability104/104 checks ok

when	check	result	http	latency	detail
7 h ago	mcp initialize	ok	200	191 ms	server isitdns 2026-10-08 · protocol 2025-06-18 · 6 tools
14 h ago	mcp initialize	ok	200	51 ms	server isitdns 2026-10-08 · protocol 2025-06-18 · 6 tools
21 h ago	mcp initialize	ok	200	35 ms	server isitdns 2026-10-08 · protocol 2025-06-18 · 6 tools
27 h ago	mcp initialize	ok	200	49 ms	server isitdns 2026-10-07.2 · protocol 2025-06-18 · 6 tools
33 h ago	mcp initialize	ok	200	99 ms	server isitdns 2026-10-07.2 · protocol 2025-06-18 · 6 tools
2 d ago	mcp initialize	ok	200	111 ms	server isitdns 2026-10-07.2 · protocol 2025-06-18 · 6 tools
2 d ago	mcp initialize	ok	200	47 ms	server isitdns 2026-10-07.2 · protocol 2025-06-18 · 6 tools
2 d ago	mcp initialize	ok	200	87 ms	server isitdns 2026-10-07 · protocol 2025-06-18 · 6 tools
2 d ago	mcp initialize	ok	200	108 ms	server isitdns 2026-10-07 · protocol 2025-06-18 · 6 tools
3 d ago	mcp initialize	ok	200	230 ms	server isitdns 2026-10-05.3 · protocol 2025-06-18 · 6 tools

Tools observed via MCP handshake

check_domain — Check a domain that is not working: whether the name resolves in public DNS, then the eleven-check audit of its zone, each row ok, warn, fail or skipped with wh
dig — Dig one name and type at one board resolver, or at Cloudflare, Google, Quad9 and AdGuard side by side (resolver all): records, flags, rcode, EDE, latency. For a
trace — Trace a delegation from the root to the authority, like dig +trace: each referral and its glue, lame or unreachable servers, the final answer and its TTLs. Use
dnssec_chain — Walk the DNSSEC chain from the root to one answer: DS and DNSKEY at each signed zone cut, key tags, signers, signature windows, and the first link that breaks o
sweep_domain — Sweep a zone's nameservers: the same names and types asked at a sample of its authoritative addresses, reporting disagreements, lame or silent servers, serial a
registration — Read a domain's registration from its registry's RDAP server: each status with what it means for resolution, the registration, expiry and change dates, the name

Declared by sources

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No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

Where this record came from

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Official MCP Registrynet.isitdns/isitdns

first seen 29 d ago · fetched 31 h agoopen ↗

Field history (12 recent events)

31 h ago · declared · version → "2026-10-07.2"
10 d ago · declared · name → "isitdns"
10 d ago · declared · version → "2026-09-28.37"
10 d ago · declared · description → "Is it DNS? Audit a site or domain that isn't working: one call says if it resolves and why. No key."
10 d ago · declared · summary → "Is it DNS? Audit a site or domain that isn't working: one call says if it resolves and why. No key."
13 d ago · declared · description → "Live DNS: dig public resolvers, audit or sweep a domain, walk a delegation, read the resolver board."
13 d ago · declared · summary → "Live DNS: dig public resolvers, audit or sweep a domain, walk a delegation, read the resolver board."
13 d ago · declared · version → "2026-09-27"
29 d ago · declared · description → "Live DNS: dig any public resolver, audit a domain, walk a delegation, read the resolver board."
29 d ago · declared · protocols → ["mcp"]
29 d ago · declared · version → "2026-09-10"
29 d ago · declared · homepageUrl → "https://isitdns.net/agents"

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