DOMAINS CHANGES SERVICES CERTS API

slack.engineering

Observed 2026-06-15T09:00:36.036711600+00:00 (3h ago). Every field below was attested with an Ed25519 signature at scan time.

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Ed25519 Receipt

Receipt ID
c1544b99-b8a6-47b8-8ad9-6422feaf4070
Output Hash
055597991287b0c3ddc4b2279373b1a9cb20f9aa6954697fb47be8781a03bdfc
Signature
ed25519:d2f6420fafff35d3627084205707aa4d7863a358b5e0ff0d6036082faf30cb98966586d98dc042d96372e8db2f689eb33ff2ba70366ac4f5a0bf6da33db0ba0a
Public Key
ed25519:d3f6015a95abdad7e8166ad80938a5885500170bb75f8cdb425b8fd2772bec29
Parent
(genesis)
Plane
fast
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DNS Records

A 1

  • 192.0.66.216

NS 8

  • dns1.p03.nsone.net
  • dns2.p03.nsone.net
  • dns3.p03.nsone.net
  • dns4.p03.nsone.net
  • ns01.slackdns.com
  • ns02.slackdns.com
  • ns03.slackdns.com
  • ns04.slackdns.com

SOA 1

  • {"mname":"dns1.p03.nsone.net","rname":"hostmaster.nsone.net","serial":1621008906,"refresh":43200,"retry":7200,"expire":1209600,"minimum":3600}

TLS Certificates (2)

Common NameIssuerExpires
slack.engineering C=US, O=Let's Encrypt, CN=E7 Sun, 16 Aug 2026 07:52:09 +0000
E7 C=US, O=Internet Security Research Group, CN=ISRG Root X1 Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (1)