Realurls

Proton

Also known as proton mail, protonmail. Wikidata Q30537036.

Official domains: proton.me

Identity anchored by wikidata:Q30537036/P856. Display name from wikidata:Q30537036.

proton.me verified primary · confidence 0.67 · verified 2026-09-06

1 independent anchor(s) + 3 independent corroboration(s): meets the verified threshold

EvidenceWhat it shows
A1 not counted GitHub verified this organization's domain (DNS-level check performed by GitHub)
org=ProtonMail org_verified=true blog=https://proton.me/mail
 source
A9 anchor App Store history: an established app by an Apple-verified company named like the entity, seller URL points here
app=Proton Mail - Encrypted Email track_id=979659905 seller=Proton AG artist=Proton AG seller_url=https://proton.me released=2016-03-17 age_days=3824 ratings=47323 apps_for_domain=7 apps=[{"app":"Proton Mail - Encrypted Email","seller":"Proton AG","released":"2016-03-17","age_days":3824,"ratings":47323},{"app":"Proton Pass - Password Manager","seller":"Proton AG","released":"2023-06-27","age_days":1166,"ratings":7869},{"app":"Proton Drive: Cloud Storage","seller":"Proton AG","released":"2022-12-07","age_days":1368,"ratings":1141}]
 source
A4 not counted TLS certificate carries the organization name (OV/EV)
subject_org= validation_type=DV issuer=Let's Encrypt san_count=5
 TLS handshake proton.me:443
B1 corroboration Wikidata official-website claim (P856) on the anchored item
qid=Q30537036 label=Proton site=https://proton.me sitelinks=23 competing_items=0
 source
B5 corroboration Tranco top-1M ranking
rank=2910 source=top-1m list
 source
B4 corroboration Wayback Machine history
first_snapshot=2016-07-01 history_days=3719
 source
2 piece(s) of evidence not counted — why
  • A1: entity not anchored: no canonical GitHub organization from an independent authority; proof of control is not proof of ownership
  • A4: DV certificate carries no organization name (most modern tech companies use DV; this is expected)
Reproduce this yourself
# B1 — Wikidata P856
curl -s "https://www.wikidata.org/w/api.php?action=wbgetclaims&entity=Q30537036&property=P856&format=json"

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

# B4 — first Wayback snapshot
curl -s "http://web.archive.org/cdx/search/cdx?url=proton.me&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 proton.me

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.