sparkpost.com

Observed Jul 22, 2026, 00:37 UTC (16h ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Runs onAmazon

Email byGoogle Workspace

Secured byAmazon

Also usesAtlassianGoogle Search Console

tranco_40k

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat sparkpost.com actually stands on - every host below is a signed observation

sparkpost.com

A / AAAA

3.167.37.553.167.37.153.167.37.363.167.37.129

Amazonserves the site

ns-1518.awsdns-61.orgns-1923.awsdns-48.co.ukns-470.awsdns-58.comns-520.awsdns-01.net

awsdns-61.org + awsdns-48.co.uk + moreanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

messagebird.com

Amazonissued its certificate

DNS Records

A 4

3.167.37.55
3.167.37.15
3.167.37.36
3.167.37.129

MX 5

10aspmx.l.google.com
30alt1.aspmx.l.google.com
30alt2.aspmx.l.google.com
50alt3.aspmx.l.google.com
50alt4.aspmx.l.google.com

TXT 13

201809121408304bi74pabicea7qngxjd2cje4th3lf0aqkdv3h6xm7vs2s0wrl2
49r9v6zl6m1kq4tmzdd9sfvghlxh2832
adobe-idp-site-verification=0237e519a7d451f5627648f5ff4fb20e5f4bd462bd20bf044126dbfceeced2bc
apple-domain-verification=a9LQsLZN91jT31Ub
atlassian-domain-verification=zPK0F79fyW2UAbvQVGSaW44sVRAFGOOmspQO3AEXqDMVwd37/8/5Is6DhyzLOGCB
google-site-verification=Vp0KXO66Dma1Po1wMNifhAWOCWEu911WrtysEVHScO0
google-site-verification=_K7CLMoX1aFWHTkIF7zUElVRhDEhyiQZVr0PEkVkT2g
google-site-verification=jc5QlfgOEJjmMzzdRy0x4_tOAuZGahkFAzh8QMgSINc
s368cyx7421v67hz261shy5dv0srq8fh
status-page-domain-verification=0y9qf7hln9fv

NS 4

ns-1518.awsdns-61.org
ns-1923.awsdns-48.co.uk
ns-470.awsdns-58.com
ns-520.awsdns-01.net

SOA 1

ns-520.awsdns-01.net awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`messagebird.com`	C=US, O=Amazon, CN=Amazon RSA 2048 M04	Wed, 23 Dec 2026 23:59:59 +0000
`Amazon RSA 2048 M04`	C=US, O=Amazon, CN=Amazon Root CA 1	Fri, 23 Aug 2030 22:26:35 +0000
`Amazon Root CA 1`	C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2	Thu, 31 Dec 2037 01:00:00 +0000

Subdomains (0)

None observed.

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for sparkpost.com. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/sparkpost.com">
  <img src="https://domaindrift.io/badge/sparkpost.com.svg"
       width="300" height="64" alt="DomainDrift signed observations for sparkpost.com">
</a>

Ed25519 Receipt

Receipt ID: rcpt_8c0795bce9bf18f3
Output Hash: b667d7d86654b05c03c5f3391320422adfb27939a35c3c424a0f2373cca16ccf
Signature: ed25519:6b777128325b396c05009ce39c6d604ab3abc22e2c16ad1b035fb2e1e9416e885b81022a700bdca339fe9af05293adc17ff9e51ec12b585ed017731d14e31b00
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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