engineering.com

Observed 2026-06-12T21:07:15.992Z (17h ago). Every field below was attested with an Ed25519 signature at scan time.

Don't trust this page — check the math. Verification runs entirely in your browser. Nothing leaves your machine.

Verify this receipt

Ed25519 Receipt

Receipt ID
efd7962c-e824-46e2-9e1d-c6ed4363166a
Output Hash
5c1a150b94553729772a3bfffd84d3f7741652e3f2073964361b5439c853f427
Signature
ed25519:cb4b2cf28979863a966d044019808a2192917ccb7e342f158697631e288ff006dfdd21383cd3e8afa47a3c00bc681df6f4475d98c64066b1605d9a943275ca08
Public Key
ed25519:1aafb422ddb6beba51f7cabe4ce1c400d51da23b2ec829bd74c9f89bb99801da
Parent
(genesis)
Plane
fast
Verify this in your browser

DNS Records

A 3

  • 104.26.13.68
  • 172.67.72.23
  • 104.26.12.68

AAAA 3

  • 2606:4700:20::681a:c44
  • 2606:4700:20::681a:d44
  • 2606:4700:20::ac43:4817

MX 1

  • {"priority":0,"exchange":"engineering-com.mail.protection.outlook.com"}

TXT 5

  • google-site-verification=IsKPdmoz77HRGCovZNR1Dkpk3SaoKfje9hOxgrLWMDw
  • google-site-verification=wv51_62oMhfphl95JgInEEXnWm0bUBVKizuY1Cx57X0
  • v=spf1 include:327305.spf02.hubspotemail.net include:servers.mcsv.net include:spf.protection.outlook.com include:_spf.google.com include:amazonses.com ~all
  • MS=ms49742654
  • v=DMARC1; p=quarantine; pct=100

NS 2

  • kareem.ns.cloudflare.com
  • liz.ns.cloudflare.com

SOA 1

  • {"mname":"kareem.ns.cloudflare.com","rname":"dns.cloudflare.com","serial":2406157492}

TLS Certificates (0)

None.

Subdomains (6)