klaviyo.com
Observed Jul 21, 2026, 19:10 UTC (7h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byAmazon
Registered withNameCheap, Inc.
Also usesZoomAtlassianDockerDocuSignGoogle Search ConsoleHubSpotLinearNotion
email_comms
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat klaviyo.com actually stands on - every host below is a signed observation
klaviyo.com
A / AAAA
18.165.83.9218.165.83.4618.165.83.10918.165.83.97
Cloudflareserves the site
NS
ns-1372.awsdns-43.orgns-1555.awsdns-02.co.ukns-224.awsdns-28.comns-963.awsdns-56.net
awsdns-43.org + awsdns-02.co.uk + moreanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+3 more
Google Workspacereceives its email
TLS
klaviyo.com
Amazonissued its certificate
DNS Records
A 4
18.165.83.9218.165.83.4618.165.83.10918.165.83.97
MX 7
10aspmx.l.google.com20alt1.aspmx.l.google.com20alt2.aspmx.l.google.com30aspmx2.googlemail.com30aspmx3.googlemail.com30aspmx4.googlemail.com30aspmx5.googlemail.com
TXT 56
<whimsical=50616009f2ad1328a4936c7dea52b17d5ccda430>EU5VQe53KTDQgPby023o4wMS=ms41847412ZOOM_verify_wGMfgQPjSL-zAzDdm2XU8g_cfb1oposxku185vj4xbq9l4w9quli6gactively-ai-domain-verification-xrqg0d=N92QIIZz9FNvtn4fSM1aoPTO1adobe-idp-site-verification=9e57bf0f6edf53f07c7e039868b4f1b6e51536bc50f7255586f5a051249a4b00anthropic-domain-verification-p3fytn=4myoRaTfbTRj8r93Fnrc8PeBPapple-domain-verification=E83skdQtNdPkgEvxasv=6c481b8fcada1fb56d4e8e0ccd7208f0
NS 4
ns-1372.awsdns-43.orgns-1555.awsdns-02.co.ukns-224.awsdns-28.comns-963.awsdns-56.net
SOA 1
ns-963.awsdns-56.net awsdns-hostmaster.amazon.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
klaviyo.com |
C=US, O=Amazon, CN=Amazon RSA 2048 M04 | Mon, 15 Feb 2027 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 receiptEd25519 Receipt
- Receipt ID
rcpt_ce36e9f0b8016052- Output Hash
34b4d36ce4ef6e03b7f543e80e3595010103026939c646cc8b4487bcd6ea7686- Signature
ed25519:a7f2ae3504460774e038a5fc4baa42adf9187c57f1fe2f79495969b300fcbb256538032dfeac64319bde1be1c8a32e1d18823921536cca42a3d8b17d2dcc870a- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast