sparkpost.com

Observed 2026-07-13T06:47:29.738Z (23h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Also usesAtlassianGoogle Search Console

10 subdomains · 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

13.249.74.1213.249.74.5113.249.74.2313.249.74.64

Cloudflareserves 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.comalt2.aspmx.l.google.comalt1.aspmx.l.google.comalt4.aspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://bird.com/products/email?sp=true

HTTP status301

Servercloudflare

TLS protocolHTTP/3

TLS issuernot observed

Behind Cloudflareyes

Response time11 ms

DNS resolutionNOERROR

Redirect chain

https://bird.com/products/email?sp=true

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 4

13.249.74.12
13.249.74.51
13.249.74.23
13.249.74.64

MX 5

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

TXT 13

v=spf1 redirect=messagesystems.com
atlassian-domain-verification=zPK0F79fyW2UAbvQVGSaW44sVRAFGOOmspQO3AEXqDMVwd37/8/5Is6DhyzLOGCB
s368cyx7421v67hz261shy5dv0srq8fh
apple-domain-verification=a9LQsLZN91jT31Ub
google-site-verification=Vp0KXO66Dma1Po1wMNifhAWOCWEu911WrtysEVHScO0
status-page-domain-verification=0y9qf7hln9fv
google-site-verification=jc5QlfgOEJjmMzzdRy0x4_tOAuZGahkFAzh8QMgSINc
49r9v6zl6m1kq4tmzdd9sfvghlxh2832
google-site-verification=_K7CLMoX1aFWHTkIF7zUElVRhDEhyiQZVr0PEkVkT2g
201809121408304bi74pabicea7qngxjd2cje4th3lf0aqkdv3h6xm7vs2s0wrl2

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 (0)

None.

Subdomains (10)

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: d4ab9cc8-2c4c-4501-876f-c438a57550a2
Output Hash: 9f669c7f7f43feb47a64fa39ee6becad0dbf5c15fa5ccae2324de6a4084e2b57
Signature: ed25519:e1c1136c67927c8d947a869ededd1e78776fcc67f60221565ca335cae5a4fca8478042fa22e1821aa7e6b118598db0d52ea5531e9968cb332a08b030c8ed150b
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/sparkpost.com