buttondown.com

Observed Jul 24, 2026, 01:53 UTC (7h 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 onCloudflare

Secured byGoogle Trust Services

Also uses1PasswordGoogle Search Console

IPv6 · tranco_100k

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

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

buttondown.com

A / AAAA

104.21.79.144172.67.146.702606:4700:3035::6815:4f902606:4700:3033::ac43:9246

Cloudflareserves the site

joan.ns.cloudflare.commoura.ns.cloudflare.com

cloudflare.comanswers its DNS

route3.mx.cloudflare.netroute1.mx.cloudflare.netroute2.mx.cloudflare.net

cloudflare.netreceives its email

TLS

buttondown.com

Google Trust Servicesissued its certificate

DNS Records

A 2

104.21.79.144
172.67.146.70

AAAA 2

2606:4700:3035::6815:4f90
2606:4700:3033::ac43:9246

MX 3

19route3.mx.cloudflare.net
65route1.mx.cloudflare.net
90route2.mx.cloudflare.net

TXT 4

1password-site-verification=EQ3GSAPOMJFDPOWBC4AVB5JSUI
google-site-verification=2kAEIWWb-UQgwnEtpH9w3Ij1Fs_poH7SjjTyQqoGX14
v=spf1 include:_spf.mx.cloudflare.net ~all
v=DMARC1; p=quarantine; rua=mailto:25e9278b3c09055e635e214501d37d9d@inbound.postmarkapp.com; aspf=r; pct=100;

NS 2

joan.ns.cloudflare.com
moura.ns.cloudflare.com

SOA 1

joan.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`buttondown.com`	C=US, O=Google Trust Services, CN=WE1	Tue, 20 Oct 2026 04:59:37 +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 buttondown.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_f26eaef84785edae
Output Hash: 48adaff60bbebab9dd33244facdfb98ccea057c2cf145a3da2076d704dce1e57
Signature: ed25519:a8124164cc8ab669c517cb23b05fac9f61511bcb0b075bd043147a7cac599507a040babc1f4bf0d72c111774d10a150237c4ff6e0305d7dff5e986b552cacf0d
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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