costco.ca
Observed Jul 18, 2026, 12:25 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.
Not responding
Runs onAkamai Technologies
Email byProofpoint
Secured byDigiCert
Registered withCSC Corporate Domains (Canada) Company
Also usesDocuSignGoogle Search Console
1 subdomain · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat costco.ca actually stands on - every host below is a signed observation
costco.ca
A / AAAA
23.209.58.213
Akamai Technologiesserves the site
NS
a5-64.akam.neta1-116.akam.neta14-67.akam.neta28-66.akam.net+2 more
akam.netanswers its DNS
MX
mx0a-001f9d01.pphosted.commx0b-001f9d01.pphosted.com
Proofpointreceives its email
TLS
costco.ca
DigiCert Incissued its certificate
DNS Records
A 1
23.209.58.213
MX 2
5mx0a-001f9d01.pphosted.com5mx0b-001f9d01.pphosted.com
TXT 7
docusign=6b48b509-016b-486a-ad99-4c976f661c0dv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~allgoogle-site-verification=9vD2d3XW2_Js54ahrD7yPUM47OzpHqTQ2GQgETZpKu8dtm-domain-verification=vL3hfgaHEzZ6R7KehaG4FY83urO1Of7v-zx6keMA6zodocusign=7822dcd7-57ae-4abd-b680-f926329bb93egoogle-site-verification=IVZa_YT_W4LfykaLHkYsFSgHQOs2VILBuEUTWUKc6rQv=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
NS 6
a5-64.akam.neta1-116.akam.neta14-67.akam.neta28-66.akam.neta9-66.akam.neta6-64.akam.net
SOA 1
a14-67.akam.net hostmaster.akamai.com
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
costco.ca |
C=US, O=DigiCert Inc, CN=DigiCert Global G3 TLS ECC SHA384 2020 CA1 | Mon, 07 Sep 2026 23:59:59 +0000 |
DigiCert Global G3 TLS ECC SHA384 2020 CA1 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G3 | Sun, 13 Apr 2031 23:59:59 +0000 |
Subdomains (1)
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
911c87a5-3854-49a2-9b7f-472d5714da92- Output Hash
37d7ead018a23065341e3979780da806dd24079330bdf4250fb94ea608dde910- Signature
ed25519:cdeb7b05570f304fb5979fe4c259e2f86abb5da52c5394e8903930b43d4be6ce00bd20676d30c4a176ca415c417549d7f6a2205ae6cf5ddf7d3d1ec455cb5106- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast