costco-wholesale.com

Observed 2026-06-15T04:16:46.417Z (15h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
01b0392c-1392-43e4-a9f6-f398bb5da525
Output Hash
a88fb41dca2c0f0b5c0d8b71eb8da7c28282ed79a22706db4c8bb3448061eec3
Signature
ed25519:a0cf72f9af4af700637350c6b5083f9b4d96c0252694dfd69f173a67b9603d1a0bad67147be87ae41e5834c20e6afd5d148b1d24db747486a596c2c148612102
Public Key
ed25519:1aafb422ddb6beba51f7cabe4ce1c400d51da23b2ec829bd74c9f89bb99801da
Parent
(genesis)
Plane
fast
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DNS Records

MX 1

  • {"priority":0,"exchange":"null.costco-wholesale.com"}

TXT 2

  • v=spf1 -all
  • v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

NS 2

  • dns1.cscdns.net
  • dns2.cscdns.net

SOA 1

  • {"mname":"dns1.cscdns.net","rname":"hostmaster.cscdns.net","serial":2022111508}

TLS Certificates (0)

None.

Subdomains (0)

None observed.