Realurls

tcpdump

Also known as the tcpdump group, the-tcpdump-group. Wikidata Q306039. GitHub the-tcpdump-group.

Official domains: tcpdump.org

Identity anchored by wikidata:Q306039/P856 wikidata:Q306039/P2037. Display name from wikidata:Q306039.

tcpdump.org verified primary · confidence 0.83 · verified 2026-09-06

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=the-tcpdump-group org_verified=true blog=https://www.tcpdump.org
 source
A3 not counted Corporate registrar fingerprint (brand-protection registrar, long prepaid term, registry locks)
registrar=Tucows Domains Inc. created=1999-10-06 expires=2026-10-06 remaining_days=30 locks=["transfer","update"]
 source
A4 not counted TLS certificate carries the organization name (OV/EV)
subject_org= validation_type=DV issuer=Sectigo Limited san_count=2
 TLS handshake tcpdump.org:443
B1 corroboration Wikidata official-website claim (P856) on the anchored item
qid=Q306039 label=tcpdump kind=software site=https://www.tcpdump.org/ sitelinks=21 competing_items=2
 source
B5 corroboration Tranco top-1M ranking
rank=69880 source=top-1m list
 source
2 piece(s) of evidence not counted — why
  • A3: registrar (Tucows Domains 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/the-tcpdump-group | jq '{name, blog, is_verified}'

# A3 — registrar / dates / locks
curl -sL https://rdap.org/domain/tcpdump.org | 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=Q306039&property=P856&format=json"

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

# 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 tcpdump.org

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.