{"$schema":"https://verifymcp.io/schemas/trust-report.json","schemaVersion":1,"license":{"name":"CC BY-NC 4.0","url":"https://creativecommons.org/licenses/by-nc/4.0/"},"generatedAt":"2026-11-06T17:18:11.953Z","url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4","markdownUrl":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4.md","server":{"slug":"fr-ipv4-network-tools","name":"ipv4.fr Network Tools","registryName":"fr.ipv4/network-tools","description":"DNS, WHOIS, SSL, IP geolocation, email validation, DNSBL blacklist, HTTP headers, subnet calc.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"ipv4","type":"remote","identifier":"https://ipv4.fr/mcp","withdrawn":false,"url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4","version":"1.0.0","transport":null,"scoredAt":"2026-11-06T09:22:49.754Z"},"score":{"total":73,"tier":"medium","status":"scored","weekDelta":3,"history":[{"date":"2026-11-06","total":73},{"date":"2026-11-05","total":72},{"date":"2026-11-04","total":72},{"date":"2026-11-03","total":72},{"date":"2026-11-02","total":71},{"date":"2026-11-01","total":71},{"date":"2026-10-31","total":70},{"date":"2026-10-30","total":70},{"date":"2026-10-29","total":69},{"date":"2026-10-28","total":69},{"date":"2026-10-27","total":68},{"date":"2026-10-26","total":68},{"date":"2026-10-25","total":67},{"date":"2026-10-24","total":67}]},"categories":[{"name":"Endpoint Security","score":66,"verdict":"fail","reasons":["The endpoint's TLS certificate is valid, in date, and uses a strong key.","No authorisation is required to call this server. Nothing on it is marked destructive, but we can't show that an anonymous caller can only read: full credit needs the server to list at least one tool and every tool to be verifiably read-only. We use a best-effort check of tool names and descriptions to tell read-only tools from tools that change things, so some genuinely read-only tools may not get full credit. Names that start with a read verb (get, list, read, search and similar) and accurate readOnlyHint annotations help. Meet that to earn full credit, or require authorisation.","HTTPS enforcement could not be verified: the plaintext port answered with HTTP 405, which proves neither a plaintext path nor enforcement.","HSTS check failed: the Strict-Transport-Security header is absent.","DNSSEC is configured correctly; the domain's records validate against the full chain to the root."],"codes":[{"code":"tls.valid","args":{}},{"code":"auth.none_no_destructive","args":{}},{"code":"https.inconclusive","args":{"reason":"plaintext_status","status":"405"}},{"code":"headers.hsts_absent","args":{}},{"code":"dnssec.validated","args":{}}]},{"name":"Transport & Reachability","score":100,"verdict":"pass","reasons":["Verified streamable-http transport via a live MCP handshake."],"codes":[{"code":"transport.verified","args":{"transport":"streamable-http"}}]},{"name":"Schema Quality & AI Usability","score":72,"verdict":"fail","reasons":["AI-judged instruction clarity (good).","Tool/resource definitions use about 470 tokens (~52/item across 9 items; 9 tools + 0 resources), lean.","Usage-examples check failed: none of the tools include examples."],"codes":[{"code":"schema.ai_quality","args":{"band":"good"}},{"code":"schema.footprint_lean","args":{"avg":"52","items":"9","tools":"9","tokens":"470","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":43,"verdict":"partial","reasons":["Stability observed for 13 of 30 days with no destabilising changes; credit accrues until the full window elapses."],"codes":[{"code":"stability.building_history","args":{"days":"13"}}]},{"name":"Tool Coverage","score":94,"verdict":"partial","reasons":["100% of tools have a non-trivial description (not blank, and not just the tool's name).","82% of tool parameters carry a description."],"codes":[{"code":"toolquality.descriptions","args":{"pct":"100"}},{"code":"toolquality.param_docs","args":{"pct":"82"}}]},{"name":"Tool Safety","score":100,"verdict":"pass","reasons":["No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.","We read all 9 captured tool definition(s), and no name or description among them implies an irreversible operation.","An AI judge read all 9 captured unit(s) of tool text and found none that tries to manipulate the model reading it."],"codes":[{"code":"toolsafety.injection_clean","args":{}},{"code":"toolsafety.destructive_none","args":{"tools":"9"}},{"code":"toolsafety.manipulation_clean","args":{"units":"9","judged":"9"}}]},{"name":"Capabilities","score":100,"verdict":"pass","reasons":["Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28."],"codes":[{"code":"protocol.supported","args":{"latest":"2026-07-28","version":"2025-11-25"}}]}],"inconclusive":["HTTPS enforcement could not be verified: the plaintext port answered with HTTP 405, which proves neither a plaintext path nor enforcement."],"malware":[],"components":[{"slug":"ipv4","type":"remote","identifier":"https://ipv4.fr/mcp","withdrawn":false,"score":73,"current":true,"url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4","markdownUrl":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4.md"}],"facts":[{"label":"Endpoint","value":"https://ipv4.fr/mcp"},{"label":"Transports","value":"streamable-http"},{"label":"Auth","value":"none"},{"label":"Version","value":"1.0.0"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"dns_lookup","title":null,"description":"DNS records for a domain (A, AAAA, MX, TXT, NS by default; also CNAME, SOA).","inputs":[{"name":"domain","type":"string","required":true,"description":"Domain name, e.g. example.com"},{"name":"types","type":"array","required":false,"description":null}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":56},{"name":"whois","title":null,"description":"WHOIS registration data for a domain: registrar, creation and expiry dates, name servers.","inputs":[{"name":"domain","type":"string","required":true,"description":"Domain name, e.g. example.com"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":41},{"name":"ssl_check","title":null,"description":"TLS certificate of a host: validity, issuer, expiry, days remaining, SAN.","inputs":[{"name":"host","type":"string","required":true,"description":"Hostname or public IP"},{"name":"port","type":"integer","required":false,"description":null}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":44},{"name":"ip_geolocation","title":null,"description":"Geolocation of an IP address: country, city, ISP, coordinates, timezone.","inputs":[{"name":"ip","type":"string","required":true,"description":"IPv4 or IPv6 address"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":39},{"name":"email_validate","title":null,"description":"Validate an email address: syntax, MX records, SMTP check, disposable and role-based detection.","inputs":[{"name":"email","type":"string","required":true,"description":"Email address"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":36},{"name":"ip_blacklist","title":null,"description":"Check an IPv4 address against 3 DNS blacklists (Barracuda, SpamCop, UCEPROTECT).","inputs":[{"name":"ip","type":"string","required":true,"description":"IPv4 address"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":43},{"name":"http_headers","title":null,"description":"HTTP response headers and status of a public URL (HEAD request, redirects followed and checked).","inputs":[{"name":"url","type":"string","required":true,"description":"URL or domain, e.g. https://example.com"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":44},{"name":"subnet_calc","title":null,"description":"IPv4 subnet calculator from CIDR: network, broadcast, netmask, wildcard, host range, host count.","inputs":[{"name":"cidr","type":"string","required":true,"description":"CIDR notation, e.g. 192.168.1.0/24"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":56},{"name":"domain_audit","title":null,"description":"AI security audit of a domain: DNS, SPF, DMARC, TLS, HTTP security headers, WHOIS expiry and IP blacklists, returned as a 0-100 score, findings by severity and exact fixes. Requires a paid ipv4.fr API key (X-Api-Key header); uses 10 requests of the daily limit. Without a key, pay per call with x402 (0.05 USDC on Base).","inputs":[{"name":"domain","type":"string","required":true,"description":"Domain name, e.g. example.com"}],"outputs":[],"hasOutputSchema":false,"hasExamples":false,"tokenEstimate":111}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-06T09:22:49.000Z","track":"remote","endpoint":"https://ipv4.fr/mcp","declaredUrl":null,"truncated":false,"tls":{"outcome":"valid","label":"Valid","version":"TLS 1.3","cipherSuite":"TLS_AES_128_GCM_SHA256","chainError":null,"certificates":[{"subject":"CN=ipv4.fr","issuer":"CN=WE1,O=Google Trust Services,C=US","notBefore":"2026-10-02T06:50:52Z","notAfter":"2026-12-31T07:49:19Z","keyType":"ECDSA","keyBits":256,"isCa":false},{"subject":"CN=WE1,O=Google Trust Services,C=US","issuer":"CN=GTS Root R4,O=Google Trust Services LLC,C=US","notBefore":"2023-12-13T09:00:00Z","notAfter":"2029-02-20T14:00:00Z","keyType":"ECDSA","keyBits":256,"isCa":true},{"subject":"CN=GTS Root R4,O=Google Trust Services LLC,C=US","issuer":"CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE","notBefore":"2023-11-15T03:43:21Z","notAfter":"2028-01-28T00:00:42Z","keyType":"ECDSA","keyBits":384,"isCa":true}]},"dnssec":{"result":"secure","label":"Secure","name":"ipv4.fr.","steps":[{"zone":".","outcome":"verified","label":"Verified"},{"zone":"fr.","outcome":"verified","label":"Verified"},{"zone":"ipv4.fr.","outcome":"verified","label":"Verified"},{"zone":"ipv4.fr.","outcome":"verified","label":"Verified"}]},"auth":{"outcome":"none","label":"No authorisation required","gate":null,"gateLabel":null,"status":200,"authorizationServers":[]},"httpsRedirect":{"outcome":"inconclusive","label":"Inconclusive","status":405},"transports":[{"transport":"streamable-http","outcome":"verified","label":"Verified","status":200,"followed":false}],"provenance":null,"installScripts":[],"installScriptsTotal":null,"vulnerabilities":[],"vulnerabilitiesTotal":null,"dependencies":null},"mismatches":[],"changelog":{"trackingSince":"2026-10-24","recent":[{"id":"chg_01a1b02a-fd2e-730d-9841-af6bf3925966","kind":"score.rubric_changed","summary":"We updated how we score, so this day's move reflects our rubric, not a change to the server","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-11-06","url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4#chg-chg_01a1b02a-fd2e-730d-9841-af6bf3925966"},{"id":"chg_01a1a0b7-7fa9-7304-b49f-ff9a7c90f03c","kind":"score.total_changed","summary":"Trust score (71 → 72)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-03","url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4#chg-chg_01a1a0b7-7fa9-7304-b49f-ff9a7c90f03c"},{"id":"chg_01a1966a-efa5-771a-91af-8182773d47ae","kind":"score.total_changed","summary":"Trust score (70 → 71)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-11-01","url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4#chg-chg_01a1966a-efa5-771a-91af-8182773d47ae"},{"id":"chg_01a18c1f-216a-7bc1-9332-2499f67a255a","kind":"score.total_changed","summary":"Trust score (69 → 70)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-30","url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4#chg-chg_01a18c1f-216a-7bc1-9332-2499f67a255a"},{"id":"chg_01a181d1-e182-7af6-9461-73baedffa378","kind":"score.total_changed","summary":"Trust score (68 → 69)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-28","url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4#chg-chg_01a181d1-e182-7af6-9461-73baedffa378"},{"id":"chg_01a17784-94e0-70a5-99c6-e0557fb42c6d","kind":"score.total_changed","summary":"Trust score (67 → 68)","materiality":"functional","direction":"improvement","scoreDelta":1,"occurredOn":"2026-10-26","url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4#chg-chg_01a17784-94e0-70a5-99c6-e0557fb42c6d"},{"id":"chg_01a1725e-9730-75a6-99a1-fb8d5412ea8d","kind":"check.measure","summary":"Schema quality (44 → 52)","materiality":"functional","direction":"regression","scoreDelta":null,"occurredOn":"2026-10-25","url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4#chg-chg_01a1725e-9730-75a6-99a1-fb8d5412ea8d"},{"id":"chg_01a1725e-9731-7217-bc54-f6fc149e5bec","kind":"check.reverified","summary":"Stability (unverified → 0.03)","materiality":"functional","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-25","url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4#chg-chg_01a1725e-9731-7217-bc54-f6fc149e5bec"},{"id":"chg_01a1725e-9731-771a-a5d8-dc4014cd58f4","kind":"tool.added","summary":"New tool “domain_audit”","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-25","url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4#chg-chg_01a1725e-9731-771a-a5d8-dc4014cd58f4"},{"id":"chg_01a16edc-9121-7991-88eb-4b8fa6792c39","kind":"score.first_scored","summary":"First indexed and scored","materiality":"functional","direction":"neutral","scoreDelta":null,"occurredOn":"2026-10-24","url":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4#chg-chg_01a16edc-9121-7991-88eb-4b8fa6792c39"}],"truncated":false,"feedUrl":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4/changelog.json"},"links":{"html":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4","markdown":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4.md","changelogJson":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4/changelog.json","changelogRss":"https://verifymcp.io/servers/fr-ipv4-network-tools/ipv4.xml","external":[{"label":"Remote endpoint","href":"https://ipv4.fr/mcp"},{"label":"Website","href":"https://ipv4.fr/"}]}}