givewell.org

Observed Jul 21, 2026, 19:17 UTC (2d 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 onIncapsula

Email byGoogle Workspace

Secured byGlobalSign

Also usesGoogle Search Console

1 subdomain · non_profit

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

INFRASTRUCTURE MAPwhat givewell.org actually stands on - every host below is a signed observation

givewell.org

A / AAAA

45.223.24.15145.223.18.151

Incapsulaserves the site

pdns04.domaincontrol.compdns03.domaincontrol.com

domaincontrol.comanswers its DNS

aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

imperva.com

GlobalSign nv-saissued its certificate

DNS Records

A 2

45.223.24.151
45.223.18.151

MX 5

1aspmx.l.google.com
10alt4.aspmx.l.google.com
5alt1.aspmx.l.google.com
10alt3.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 8

v=spf1 a ip4:194.195.223.112 ip4:45.79.59.111 ip4:173.255.205.154 ip6:2600:3c00::f03c:93ff:fe24:e917 ip6:2600:3c00::f03c:92ff:fe7b:060a ip6:2600:3c00::2000:3aff:fe25:2515 include:_spf.google.com include:spf1.formassembly.com include:_spf.salesforce.com include:mg-spf.greenhouse.io ~all
google-site-verification=o4AHlkgX3dXBrjH-5UOfH1FQNth9a3I5Y06irlzNeaU
globalsign-domain-verification=E473E753DADD85046A7B1E8610638310
google-site-verification=os_Qxr3aMW2HlnOwqQ4pQDWD-f3KF8m3Jzc_Lm1LWQ8
google-site-verification=hSrvOaCj-dm01ew0S6oihtWpEcgFZ9wI68wAYRBAxvg
MS=EEDCF9022149DF60DE97D8AE0B35BA987274E9ED
apple-domain-verification=zLPaCQNxZ7yejYP6
v=DMARC1; p=reject; rua=mailto:pyqobzh9@ag.us.dmarcian.com, mailto:dmarc@givewell.org

NS 2

pdns04.domaincontrol.com
pdns03.domaincontrol.com

SOA 1

pdns03.domaincontrol.com dns.jomax.net

TLS Certificates (3)

Common Name	Issuer	Expires
`imperva.com`	C=BE, O=GlobalSign nv-sa, CN=GlobalSign Atlas R46 DV TLS CA 2026 Q2	Tue, 22 Sep 2026 14:29:12 +0000
`GlobalSign Atlas R46 DV TLS CA 2026 Q2`	C=BE, O=GlobalSign nv-sa, CN=GlobalSign Root R46	Fri, 21 Jan 2028 00:00:00 +0000
`GlobalSign Root R46`	2.5.4.11=GlobalSign Root CA - R3, O=GlobalSign, CN=GlobalSign	Sun, 18 Mar 2029 00:00:00 +0000

Subdomains (1)

files.givewell.org

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 givewell.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_02af84b6be5b7be1
Output Hash: 4fd89c713601a0f320c39d4a3dadafccd09256238e8d0a2422ca6488521f8804
Signature: ed25519:2e20a6a8907f93696fcf116234f691b88f605e4258fefa7e73ee21c3a5f21407833c1ac47ddab9d747065bcf3a9edeafd37db3043e597b4ae8e06e597c6eb004
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/givewell.org