Realurls

Zettlr

Wikidata Q124476915. GitHub Zettlr.

Official domains: zettlr.com

Identity anchored by wikidata:Q124476915/P856 wikidata:Q124476915/P2037. Display name from wikidata:Q124476915.

zettlr.com verified primary · confidence 0.85 · verified 2026-09-05

1 independent anchor(s) + 3 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=Zettlr org_verified=true blog=https://www.zettlr.com
 source
A3 not counted Corporate registrar fingerprint (brand-protection registrar, long prepaid term, registry locks)
registrar=Mesh Digital Limited created=2016-05-01 expires=2027-05-01 remaining_days=237 locks=[]
 source
A4 not counted TLS certificate carries the organization name (OV/EV)
subject_org= validation_type=DV issuer=Let's Encrypt san_count=2
 TLS handshake zettlr.com:443
B1 corroboration Wikidata official-website claim (P856) on the anchored item
qid=Q124476915 label=Zettlr site=https://www.zettlr.com/ sitelinks=4 competing_items=0
 source
B5 corroboration Tranco top-1M ranking
rank=298155 source=top-1m list
 source
B4 corroboration Wayback Machine history
first_snapshot=2009-03-27 history_days=6371
 source
2 piece(s) of evidence not counted — why
  • A3: registrar (Mesh Digital Limited) 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/Zettlr | jq '{name, blog, is_verified}'

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

# B1 — Wikidata P856
curl -s "https://www.wikidata.org/w/api.php?action=wbgetclaims&entity=Q124476915&property=P856&format=json"

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

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

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.