{"eid":"ydns","name":"YDNS","domain":"ydns.io","resolved_by":"domain","topics":["domains-dns"],"n_records":1,"best_vorder":1,"review":null,"aliases":["YDNS","ydns.io"],"records":[{"rid":"domains-dns/ydns","card":{"rid":"domains-dns/ydns","eid":"ydns","topic":"domains-dns","slug":"ydns","provider":"YDNS","url":"https://ydns.io/","domain":"ydns.io","category":"free dynamic subdomain","tier":null,"verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","self_hosted":0,"confidence":"documented","binding":"none","identity_kind":"email","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"rest","egress_metered":0,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-11-03T16:43:10.325Z","verified_basis":"live","checked_on":"2026-11-03","stale_on":"2026-12-04","n_evidence":6,"usd_month":null,"usd_per_tb_month":null,"summary":"unlimited hosts per user on a fair-use model, as dynamic DNS names such as example.ydns.io, plus full DNS hosting for the user's own domains","duplicate_of":null,"n_unknown":0,"free_unit":"unlimited"},"record":{"topic":"domains-dns","slug":"ydns","provider":"YDNS","url":"https://ydns.io/","category":"free dynamic subdomain","free_tier":{"stated":"unlimited hosts per user on a fair-use model, as dynamic DNS names such as example.ydns.io, plus full DNS hosting for the user's own domains","unit":"unlimited","source_url":"https://ydns.io/features","read_on":"2026-11-03","metered_on":"none"},"per_object_cap":{"stated":"no number is published: unlimited hosts per user under a fair-use model, whose limit is not stated","bytes":null},"retention":{"stated":"unverified: no expiry, inactivity or confirmation rule for a free host is stated on the pages read; the introduction says the service is guaranteed to be free for its entire lifetime","days":null,"source_url":"https://docs.ydns.io/introduction.html"},"egress":{"terms":"no query cap published","metered":false,"free_allowance":null,"price_per_tb":null,"source_url":"https://ydns.io/features"},"interface":["rest"],"interface_detail":"a lightweight API that works with most DynDNS implementations; DNSSEC is not available for all zones","tooling":"any DynDNS-compatible client or router, or curl against the vendor's API","chaining":"a free name for a changing address; the vendor also hosts the DNS of the user's own domain for free, which is the way to a zone the user controls","limits":[{"kind":"per-object-cap","value":"unlimited hosts per user on a fair-use model; the fair-use limit is not stated","source":"https://ydns.io/features"}],"binding":"none","binding_note":"no count, expiry or review is published; the fair-use model is the one unstated bound; the zone is the vendor's","identity_cost":{"kind":"email","detail":"no phone and no card field on the register page","country":null},"reliability_note":"the fair-use limit behind 'unlimited' is not stated, and the introduction promises a free service for its entire lifetime; the suffix was not found in the captured Public Suffix List, which is an inference from absence, so a TLS limit may be shared across users of the suffix","confidence":"documented","confidence_note":"the features page, the introduction and the register page were read and quoted; no fair-use figure, expiry rule or suffix list was read; the Public Suffix List statement is an inference from the absence of an entry and cannot be quoted","evidence":[{"url":"https://ydns.io/features","date":"2026-11-03","proved":"unlimited hosts per user","capture":"sha256:d73388a6914bc0e20adf5aa609a156ad7229038478800d5f08a4e35ff0d1c566","quote":"Unlimited hosts1 per user"},{"url":"https://ydns.io/features","date":"2026-11-03","proved":"the unlimited figure rests on a fair-use model","capture":"sha256:d73388a6914bc0e20adf5aa609a156ad7229038478800d5f08a4e35ff0d1c566","quote":"based on fair-use model"},{"url":"https://ydns.io/features","date":"2026-11-03","proved":"full DNS hosting of the user's own domains is part of the service","capture":"sha256:d73388a6914bc0e20adf5aa609a156ad7229038478800d5f08a4e35ff0d1c566","quote":"Full DNS hosting for your own domains"},{"url":"https://docs.ydns.io/introduction.html","date":"2026-11-03","proved":"the vendor promises the service stays free for its lifetime","capture":"sha256:747f4bffaf040509c8b9c2233d32237be7b724a0fa3488f89093a0368a6833c9","quote":"The service is guaranteed to be free for its entire lifetime. Without exceptions."},{"url":"https://ydns.io/user/register","date":"2026-11-03","proved":"an account needs only an email address","capture":"sha256:64cf3cfd413f6894b3966d38560567f3ad7f7cd528edb7494552d676e300ec66","quote":"Create your YDNS account by providing your email address below."},{"url":"https://letsencrypt.org/docs/rate-limits/","date":"2026-11-03","proved":"Let's Encrypt finds the registered domain with the Public Suffix List","capture":"sha256:b5eee1fee7260f24a875dbca422432161e1e6e37041c64df017d7057af897c00","quote":"We use the [Public Suffix List](https://publicsuffix.org/) to identify registered domains."}],"verdict":"qualifies-with-caveat","verified_at":"2026-11-03T16:43:10.325Z","price_per_tb_month":null,"notes":"Nothing published binds except an unstated fair-use bound. The zone is the vendor's for ydns.io names; hosting the user's own domain there is the free route to an own zone. The TLS limit is unverified: the suffix has no entry in the captured Public Suffix List, so the Let's Encrypt count for the suffix is shared by inference."},"claims":[{"path":"$.free_tier","kind":"has-free-tier","num":1.0,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.free_tier.stated","kind":"free-quota","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[0].value","kind":"limit:per-object-cap","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"}],"unknown":[],"history":[],"drift":[]}]}