Provenance reverse index
The dataset pages show, per record, the source of each field. This page inverts that: per source, every field across every dataset that cites it — a neutral audit of where the data comes from.
Open Domain Data records provenance per field. Each field_provenance entry names the primary source a value was checked against, how it was verified, and when. This index reads that backwards — grouping every field citation by the source it rests on — so you can audit a single source and see exactly which published facts depend on it. It is a statement of where the data comes from, not a ranking or an endorsement.
Most recent source check across the index: 2026-06-28. The tld_pricing dataset is not represented here — it does not yet carry per-field provenance, and this index reflects only what is actually published.
The index is generated at build time from the canonical dataset JSON under /data — the same files that scripts/check-provenance.mjs walks to enforce provenance hygiene in CI. It therefore cannot drift from what is published: add a sourced field to a dataset and it appears here; change a source and the citation moves. Every URL below is the exact source_url stored on the field, and every verification status is the one recorded with it. To reproduce the underlying report locally, run npm run check or node scripts/check-provenance.mjs --check-urls.
Source domains ordered by how many published fields rest on them. Each table lists every citation on that domain across all datasets.
www.iana.org42 citations · 1 URL · 2 datasets · last checked 2026-06-25
public_sources · 28independently_tested · 14
| Dataset | Record | Field | Verification | Last checked | Source URL |
|---|
| rdap_metadata | Cloudflare, Inc. | base_url | independently_tested | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | Cloudflare, Inc. | iana_bootstrapped | public_sources | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | Dynadot Inc | base_url | independently_tested | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | Dynadot Inc | iana_bootstrapped | public_sources | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | GoDaddy.com, LLC | base_url | independently_tested | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | GoDaddy.com, LLC | iana_bootstrapped | public_sources | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | NameCheap, Inc. | base_url | independently_tested | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | NameCheap, Inc. | iana_bootstrapped | public_sources | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | Porkbun LLC | base_url | independently_tested | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | Porkbun LLC | iana_bootstrapped | public_sources | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | Spaceship, Inc. | base_url | independently_tested | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | Spaceship, Inc. | iana_bootstrapped | public_sources | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | Squarespace Domains II LLC | base_url | independently_tested | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| rdap_metadata | Squarespace Domains II LLC | iana_bootstrapped | public_sources | 2026-06-25 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Cloudflare, Inc. | iana_id | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Cloudflare, Inc. | name | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Cloudflare, Inc. | status | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Cloudflare, Inc. | rdap_base | independently_tested | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Dynadot Inc | iana_id | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Dynadot Inc | name | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Dynadot Inc | status | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Dynadot Inc | rdap_base | independently_tested | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | GoDaddy.com, LLC | iana_id | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | GoDaddy.com, LLC | name | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | GoDaddy.com, LLC | status | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | GoDaddy.com, LLC | rdap_base | independently_tested | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | NameCheap, Inc. | iana_id | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | NameCheap, Inc. | name | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | NameCheap, Inc. | status | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | NameCheap, Inc. | rdap_base | independently_tested | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Porkbun LLC | iana_id | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Porkbun LLC | name | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Porkbun LLC | status | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Porkbun LLC | rdap_base | independently_tested | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Spaceship, Inc. | iana_id | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Spaceship, Inc. | name | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Spaceship, Inc. | status | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Spaceship, Inc. | rdap_base | independently_tested | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Squarespace Domains II LLC | iana_id | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Squarespace Domains II LLC | name | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Squarespace Domains II LLC | status | public_sources | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
| registrars | Squarespace Domains II LLC | rdap_base | independently_tested | 2026-06-22 | www.iana.org/assignments/registrar-ids/registrar-ids-1.csv |
www.dynadot.com18 citations · 6 URLs · 4 datasets · last checked 2026-06-28
public_sources · 17independently_tested · 1
developers.cloudflare.com17 citations · 9 URLs · 3 datasets · last checked 2026-06-28
public_sources · 14independently_tested · 3
| Dataset | Record | Field | Verification | Last checked | Source URL |
|---|
| registrar_api_capabilities | Cloudflare, Inc. | api_available | public_sources | 2026-06-28 | developers.cloudflare.com/registrar |
| registrar_api_capabilities | Cloudflare, Inc. | scoped_tokens | public_sources | 2026-06-28 | developers.cloudflare.com/fundamentals/api/get-started/create-token |
| registrar_api_capabilities | Cloudflare, Inc. | openapi_spec | public_sources | 2026-06-28 | developers.cloudflare.com/api |
| registrar_api_capabilities | Cloudflare, Inc. | rate_limit | public_sources | 2026-06-28 | developers.cloudflare.com/fundamentals/api/reference/limits |
| agent_capability_signals | Cloudflare, Inc. | scoped_tokens | public_sources | 2026-06-23 | developers.cloudflare.com/fundamentals/api/reference/permissions |
| agent_capability_signals | Cloudflare, Inc. | dns_api | public_sources | 2026-06-23 | developers.cloudflare.com/api |
| agent_capability_signals | Cloudflare, Inc. | audit_logs | public_sources | 2026-06-23 | developers.cloudflare.com/fundamentals/account/account-security/audit-logs |
| agent_capability_signals | Cloudflare, Inc. | openapi_spec | public_sources | 2026-06-23 | developers.cloudflare.com/api |
| agent_capability_signals | Cloudflare, Inc. | api_available | public_sources | 2026-06-21 | developers.cloudflare.com/registrar |
| agent_capability_signals | Cloudflare, Inc. | oauth_support | public_sources | 2026-06-21 | developers.cloudflare.com/registrar |
| agent_capability_signals | Cloudflare, Inc. | webhooks | public_sources | 2026-06-21 | developers.cloudflare.com/registrar |
| agent_capability_signals | Cloudflare, Inc. | human_approval_flow | public_sources | 2026-06-21 | developers.cloudflare.com/registrar |
| agent_capability_signals | Cloudflare, Inc. | sandbox | public_sources | 2026-06-21 | developers.cloudflare.com/registrar |
| agent_capability_signals | Cloudflare, Inc. | mcp_interface | public_sources | 2026-06-21 | developers.cloudflare.com/registrar |
| dns_capabilities | Cloudflare, Inc. | dnssec | independently_tested | 2026-05-27 | developers.cloudflare.com/dns/dnssec |
| dns_capabilities | Cloudflare, Inc. | api_record_management | independently_tested | 2026-05-27 | developers.cloudflare.com/api/resources/dns |
| dns_capabilities | Cloudflare, Inc. | caa | independently_tested | 2026-05-27 | developers.cloudflare.com/dns/manage-dns-records/reference/dns-record-types |
www.namecheap.com17 citations · 5 URLs · 4 datasets · last checked 2026-06-28
registrar_submitted · 10public_sources · 7
| Dataset | Record | Field | Verification | Last checked | Source URL |
|---|
| registrar_api_capabilities | NameCheap, Inc. | auth_model | public_sources | 2026-06-28 | www.namecheap.com/support/api/intro |
| registrar_api_capabilities | NameCheap, Inc. | sandbox_url | public_sources | 2026-06-28 | www.namecheap.com/support/api/intro |
| registrar_api_capabilities | NameCheap, Inc. | rate_limit | public_sources | 2026-06-28 | www.namecheap.com/support/api/intro |
| agent_capability_signals | NameCheap, Inc. | api_available | registrar_submitted | 2026-06-21 | www.namecheap.com/support/api/intro |
| agent_capability_signals | NameCheap, Inc. | scoped_tokens | registrar_submitted | 2026-06-21 | www.namecheap.com/support/api/intro |
| agent_capability_signals | NameCheap, Inc. | oauth_support | registrar_submitted | 2026-06-21 | www.namecheap.com/support/api/intro |
| agent_capability_signals | NameCheap, Inc. | dns_api | registrar_submitted | 2026-06-21 | www.namecheap.com/support/api/intro |
| agent_capability_signals | NameCheap, Inc. | webhooks | registrar_submitted | 2026-06-21 | www.namecheap.com/support/api/intro |
| agent_capability_signals | NameCheap, Inc. | audit_logs | registrar_submitted | 2026-06-21 | www.namecheap.com/support/api/intro |
| agent_capability_signals | NameCheap, Inc. | human_approval_flow | registrar_submitted | 2026-06-21 | www.namecheap.com/support/api/intro |
| agent_capability_signals | NameCheap, Inc. | sandbox | registrar_submitted | 2026-06-21 | www.namecheap.com/support/api/intro |
| agent_capability_signals | NameCheap, Inc. | openapi_spec | registrar_submitted | 2026-06-21 | www.namecheap.com/support/api/intro |
| agent_capability_signals | NameCheap, Inc. | mcp_interface | registrar_submitted | 2026-06-21 | www.namecheap.com/support/api/intro |
| dns_capabilities | NameCheap, Inc. | dnssec | public_sources | 2026-05-27 | www.namecheap.com/support/knowledgebase/article.aspx/9722/2232/managing-dnssec-for-domains-pointed-to-custom-dns |
| dns_capabilities | NameCheap, Inc. | api_record_management | public_sources | 2026-05-27 | www.namecheap.com/support/api/methods/domains-dns |
| registrar_security_contacts | NameCheap, Inc. | abuse_email | public_sources | 2026-05-25 | www.namecheap.com/legal/general/abuse-policy |
| registrar_security_contacts | NameCheap, Inc. | security_txt | public_sources | 2026-05-25 | www.namecheap.com/.well-known/security.txt |
porkbun.com16 citations · 3 URLs · 4 datasets · last checked 2026-06-28
registrar_submitted · 11public_sources · 3registrar_verified · 2
developer.godaddy.com14 citations · 3 URLs · 3 datasets · last checked 2026-06-28
public_sources · 14
| Dataset | Record | Field | Verification | Last checked | Source URL |
|---|
| registrar_api_capabilities | GoDaddy.com, LLC | api_available | public_sources | 2026-06-28 | developer.godaddy.com/doc/endpoint/domains |
| registrar_api_capabilities | GoDaddy.com, LLC | sandbox_url | public_sources | 2026-06-28 | developer.godaddy.com/getstarted |
| registrar_api_capabilities | GoDaddy.com, LLC | rate_limit | public_sources | 2026-06-28 | developer.godaddy.com/getstarted |
| dns_capabilities | GoDaddy.com, LLC | api_record_management | public_sources | 2026-06-25 | developer.godaddy.com/doc/endpoint/domains |
| agent_capability_signals | GoDaddy.com, LLC | mcp_interface | public_sources | 2026-06-23 | developer.godaddy.com/mcp |
| agent_capability_signals | GoDaddy.com, LLC | api_available | public_sources | 2026-06-21 | developer.godaddy.com/doc/endpoint/domains |
| agent_capability_signals | GoDaddy.com, LLC | scoped_tokens | public_sources | 2026-06-21 | developer.godaddy.com/doc/endpoint/domains |
| agent_capability_signals | GoDaddy.com, LLC | oauth_support | public_sources | 2026-06-21 | developer.godaddy.com/doc/endpoint/domains |
| agent_capability_signals | GoDaddy.com, LLC | dns_api | public_sources | 2026-06-21 | developer.godaddy.com/doc/endpoint/domains |
| agent_capability_signals | GoDaddy.com, LLC | webhooks | public_sources | 2026-06-21 | developer.godaddy.com/doc/endpoint/domains |
| agent_capability_signals | GoDaddy.com, LLC | audit_logs | public_sources | 2026-06-21 | developer.godaddy.com/doc/endpoint/domains |
| agent_capability_signals | GoDaddy.com, LLC | human_approval_flow | public_sources | 2026-06-21 | developer.godaddy.com/doc/endpoint/domains |
| agent_capability_signals | GoDaddy.com, LLC | sandbox | public_sources | 2026-06-21 | developer.godaddy.com/doc/endpoint/domains |
| agent_capability_signals | GoDaddy.com, LLC | openapi_spec | public_sources | 2026-06-21 | developer.godaddy.com/doc/endpoint/domains |
docs.spaceship.dev14 citations · 1 URL · 3 datasets · last checked 2026-06-28
public_sources · 14
| Dataset | Record | Field | Verification | Last checked | Source URL |
|---|
| registrar_api_capabilities | Spaceship, Inc. | api_available | public_sources | 2026-06-28 | docs.spaceship.dev |
| registrar_api_capabilities | Spaceship, Inc. | auth_model | public_sources | 2026-06-28 | docs.spaceship.dev |
| registrar_api_capabilities | Spaceship, Inc. | rate_limit | public_sources | 2026-06-28 | docs.spaceship.dev |
| dns_capabilities | Spaceship, Inc. | api_record_management | public_sources | 2026-06-25 | docs.spaceship.dev |
| agent_capability_signals | Spaceship, Inc. | api_available | public_sources | 2026-06-21 | docs.spaceship.dev |
| agent_capability_signals | Spaceship, Inc. | scoped_tokens | public_sources | 2026-06-21 | docs.spaceship.dev |
| agent_capability_signals | Spaceship, Inc. | oauth_support | public_sources | 2026-06-21 | docs.spaceship.dev |
| agent_capability_signals | Spaceship, Inc. | dns_api | public_sources | 2026-06-21 | docs.spaceship.dev |
| agent_capability_signals | Spaceship, Inc. | webhooks | public_sources | 2026-06-21 | docs.spaceship.dev |
| agent_capability_signals | Spaceship, Inc. | audit_logs | public_sources | 2026-06-21 | docs.spaceship.dev |
| agent_capability_signals | Spaceship, Inc. | human_approval_flow | public_sources | 2026-06-21 | docs.spaceship.dev |
| agent_capability_signals | Spaceship, Inc. | sandbox | public_sources | 2026-06-21 | docs.spaceship.dev |
| agent_capability_signals | Spaceship, Inc. | openapi_spec | public_sources | 2026-06-21 | docs.spaceship.dev |
| agent_capability_signals | Spaceship, Inc. | mcp_interface | public_sources | 2026-06-21 | docs.spaceship.dev |
support.squarespace.com14 citations · 4 URLs · 3 datasets · last checked 2026-06-28
public_sources · 14
www.godaddy.com4 citations · 4 URLs · 2 datasets · last checked 2026-06-25
public_sources · 3unknown · 1
rdap.verisign.com3 citations · 3 URLs · 1 dataset · last checked 2026-06-25
independently_tested · 3
www.spaceship.com3 citations · 2 URLs · 2 datasets · last checked 2026-06-25
public_sources · 2unknown · 1
www.cloudflare.com2 citations · 2 URLs · 1 dataset · last checked 2026-05-25
public_sources · 2
api.porkbun.com1 citation · 1 URL · 1 dataset · last checked 2026-06-28
independently_tested · 1
cart-before.porkbun.horse1 citation · 1 URL · 1 dataset · last checked 2026-06-25
independently_tested · 1
rdap.cloudflare.com1 citation · 1 URL · 1 dataset · last checked 2026-06-25
independently_tested · 1
rdap.dynadot.com1 citation · 1 URL · 1 dataset · last checked 2026-06-25
independently_tested · 1
rdap.godaddy.com1 citation · 1 URL · 1 dataset · last checked 2026-06-25
independently_tested · 1
rdap.namecheap.com1 citation · 1 URL · 1 dataset · last checked 2026-06-25
independently_tested · 1
rdap.org1 citation · 1 URL · 1 dataset · last checked 2026-06-25
unknown · 1
rdap.spaceship.com1 citation · 1 URL · 1 dataset · last checked 2026-06-25
independently_tested · 1
rdap.squarespace.domains1 citation · 1 URL · 1 dataset · last checked 2026-06-25
independently_tested · 1
www.squarespace.com1 citation · 1 URL · 1 dataset · last checked 2026-06-25
public_sources · 1
The six datasets that currently carry per-field provenance and feed this index.