teradyne.com

Observed Jul 18, 2026, 12:03 UTC (9h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byProofpoint

Secured byGoogle Trust Services

Registered withNetwork Solutions, LLC

Also usesDocuSignGoogle Search ConsoleAtlassianMiro

fortune_500

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

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

teradyne.com

A / AAAA

141.193.213.20141.193.213.21

Cloudflareserves the site

ns-1079.awsdns-06.orgnsd.teradyne.comns-1005.awsdns-61.netns-203.awsdns-25.com+1 more

awsdns-06.org + teradyne.com + moreanswers its DNS

mxa-0015db01.gslb.pphosted.comms64893719.msv1.invalidmxb-0015db01.gslb.pphosted.com

Proofpointreceives its email

TLS

teradyne.com

Google Trust Servicesissued its certificate

DNS Records

A 2

141.193.213.20
141.193.213.21

MX 3

100mxa-0015db01.gslb.pphosted.com
32767ms64893719.msv1.invalid
200mxb-0015db01.gslb.pphosted.com

TXT 22

webexdomainverification.2NZ3Y=855586fa-c2f1-4511-ab9a-7c9582813049
atlassian-sending-domain-verification=2cdd3c23-a128-4dc1-b99f-b633c91858a8
projectmanager:ZmMwYTYwNDItMmQ0Zi00ZGU2LWFkMDEtNDdkM2Q5NjU0NTcyMxOjAGPviyE=
docusign=c52f40da-3fd1-4126-bf73-37cdd5081327
google-site-verification=wENDIfzYNSaaPTjxHbcuTBU5nYgXOFWMFuPY6GGbHxA
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:_spf.atlassian.net ~all
traction-guest=454d92d3-b224-47ba-828c-0467339416b2
ciscocidomainverification=39f419d52703ee08dd877e4923b3817a8b58ca911f8be088786736415edb32df
anthropic-domain-verification-b29gcd=lzA1Hg9Z5vDeHlwReGA3AC21a
docusign=5777121b-0d9f-4c04-aab8-7fd4779d4fe6

NS 5

ns-1079.awsdns-06.org
nsd.teradyne.com
ns-1005.awsdns-61.net
ns-203.awsdns-25.com
ns-1732.awsdns-24.co.uk

SOA 1

ns-203.awsdns-25.com awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common Name	Issuer	Expires
`teradyne.com`	C=US, O=Google Trust Services, CN=WE1	Mon, 14 Sep 2026 06:56:27 +0000
`WE1`	C=US, O=Google Trust Services LLC, CN=GTS Root R4	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R4`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +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 teradyne.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 9b67e29e-1dff-4f5f-bfca-933ca3ddcd17
Output Hash: b4bb7a05871d891927604b6e1337cfba4e7db94ef27be991beea20496ef6f5a9
Signature: ed25519:3d49e053d254403787d7837fb27cf8a217601d43959d252663aa28e0fd352cd123646a8467bbe367a6ea45e38d04052ea11ad39c3804e796be469f0c62bb850b
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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