Realurls

Expo

Also known as expo/expo. GitHub expo.

Official domains: expo.dev

Identity anchored by github-history:expo/expo(age=10y,contrib=2150,stars=52053). Display name from github_org_display_name(self-declared).

expo.dev verified primary · confidence 0.83 · verified 2026-09-05

correlated anchors merged: A8 not independent of the kept one, counted once · 1 independent anchor(s) + 2 independent corroboration(s): meets the verified threshold

EvidenceWhat it shows
A1 anchor GitHub verified this organization's domain (DNS-level check performed by GitHub)
org=expo org_verified=true blog=https://expo.dev
 source
A8 anchor Anchored repository's homepage points here, and this site links back
repo=expo/expo org=expo repo_anchored=true homepage=https://docs.expo.dev backlink=true stars=52053 age_days=3673 contributors=2150
 source
A3 not counted Corporate registrar fingerprint (brand-protection registrar, long prepaid term, registry locks)
registrar=CloudFlare, Inc. created=2019-02-22 expires=2034-02-22 remaining_days=2726 locks=["transfer"]
 source
A4 not counted TLS certificate carries the organization name (OV/EV)
subject_org= validation_type=DV issuer=Google Trust Services san_count=2
 TLS handshake expo.dev:443
B5 corroboration Tranco top-1M ranking
rank=6570 source=top-1m list
 source
B4 corroboration Wayback Machine history
first_snapshot=2020-08-11 history_days=2216
 source
2 piece(s) of evidence not counted — why
  • A3: registrar (CloudFlare, Inc.) is not a brand-protection registrar
  • A4: DV certificate carries no organization name (most modern tech companies use DV; this is expected)
Reproduce this yourself
# A1 — GitHub verified this org's domain
curl -s https://api.github.com/orgs/expo | jq '{name, blog, is_verified}'

# A8 — anchored repo's homepage
curl -s https://api.github.com/repos/expo/expo | jq '{homepage, created_at, stargazers_count}'

# A3 — registrar / dates / locks
curl -sL https://rdap.org/domain/expo.dev | jq '{status, events, registrar: [.entities[]|select(.roles[]=="registrar")|.vcardArray[1][1][3]]}'

# B5 — Tranco rank
curl -s https://tranco-list.eu/api/ranks/domain/expo.dev

# B4 — first Wayback snapshot
curl -s "http://web.archive.org/cdx/search/cdx?url=expo.dev&limit=1&output=json"

# Re-run the whole pipeline for this domain
git clone https://github.com/zhouchungong/realurls-registry && cd realurls-registry && pip install -e . && python -m src.verify expo.dev

Think this is wrong? Open a dispute — the burden of proof is on us, and the record is downgraded while we check. Source record: YAML.