simplenote.com

Observed Jul 21, 2026, 16:43 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 onAutomattic

Email byGoogle (SPF sender)

Secured byGoogle Trust Services

Registered withMarkMonitor Inc.

Also usesGoogle Search Console

1 subdomain · tranco_100k

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

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

simplenote.com

A / AAAA

192.0.78.25192.0.78.24

Automatticserves the site

ns3.automattic.comns4.automattic.comns2.automattic.comns1.automattic.com

automattic.comanswers its DNS

mx1.dfw.automattic.commx2.ams.automattic.com

Google (SPF sender)receives its email

TLS

tls.automattic.com

Google Trust Servicesissued its certificate

DNS Records

A 2

192.0.78.25
192.0.78.24

MX 2

10mx1.dfw.automattic.com
10mx2.ams.automattic.com

TXT 9

google-site-verification=bwqSNalvFYDQ532_4g3LkKJ8Kb9NW6ZQk3aXtDhPcPQ
google-site-verification=mbubXraXQLXsywihnm7xBzM9i3pRoeIwHSCrDkN9x2o
google-site-verification=9VLq_oyLxE3DkC1WyggOoh7zs4pZoe48mGtinUKWpDw
google-site-verification=v9FzhvSYrhXamttY2Sd8_Yxr1CEZkFRrdTgszlcVjQw
google-site-verification=bvBRJtmLSRiqLFyvpAuf3vUcHfx0SSubb0UhtFRPF4U
google-site-verification=zUehIvqhK_m7wWJ6Z6X3eEQkIWNB4Eb1CLSG11TYOD8
v=spf1 include:_spf.google.com include:_spf.mailgun.org include:mail.zendesk.com include:_spf.automattic.com -all
google-site-verification=Rm0bHPcSHWgwlZRUZFdF04TCE9mE2jBpytG7Bn598Tw
v=DMARC1; p=reject; pct=100; rua=mailto:0bqp2jnw@ag.dmarcian.com; ruf=mailto:0bqp2jnw@fr.dmarcian.com;

NS 4

ns3.automattic.com
ns4.automattic.com
ns2.automattic.com
ns1.automattic.com

SOA 1

ns1.automattic.com hostmaster.automattic.com

TLS Certificates (3)

Common Name	Issuer	Expires
`tls.automattic.com`	C=US, O=Google Trust Services, CN=WR1	Sun, 11 Oct 2026 07:47:25 +0000
`WR1`	C=US, O=Google Trust Services LLC, CN=GTS Root R1	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R1`	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 (1)

www.simplenote.com

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 simplenote.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_1994233570c83bf3
Output Hash: c88c8c66e64984f2d9cfca7badf79eec28105e45be7895b075ce47c413752713
Signature: ed25519:7933739a580f1da1fb8ff2e90949c4df9fbbc0be81124af3b4c7cb8f256946e7dd9ac76ac6124b8863d2ad0f8df531003b304a591d70dbf413d944a84d4bc005
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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