markup.io

Observed Jul 21, 2026, 17:24 UTC (14h 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

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesFacebook/MetaGoogle Search ConsoleHubSpot

tranco_100k

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

INFRASTRUCTURE MAPwhat markup.io actually stands on - every host below is a signed observation

markup.io

A / AAAA

63.35.7.93

unattributedserves the site

ns-1351.awsdns-40.orgns-1729.awsdns-24.co.ukns-37.awsdns-04.comns-896.awsdns-48.net

awsdns-40.org + awsdns-24.co.uk + moreanswers its DNS

aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

markup.io

Let's Encryptissued its certificate

DNS Records

A 1

63.35.7.93

MX 5

1aspmx.l.google.com
10aspmx2.googlemail.com
10aspmx3.googlemail.com
5alt1.aspmx.l.google.com
5alt2.aspmx.l.google.com

TXT 13

MS=ms66022977
_globalsign-domain-verification=-qAeWvNvF8pZ8KHSkJn_zNNHam8Ffglxfm_finCP2T
_globalsign-domain-verification=ln6G6qMbrMeJLZSOGjjxis2fcs9NHicunfT-JK_mCZ
_globalsign-domain-verification=p1fktqCHnOA1sE262wg61RlM1M1TddxeBhTTQfKOf-
ahrefs-site-verification_78cd826ac143d577855830f973f7952246f9eb0be282f3ba68600964ba8ae3ea
ca3-40ee55a2646d4a26b981b3b55364894d
facebook-domain-verification=vshude7nkiyiljeyzflu99kx6xkbtf
google-site-verification=FUe1i0jihBUWnp6vk4YYRVB2mjtm8DnjCLkMOofaALg
google-site-verification=cDmYyXVqqHdHtF7pBubIMYgKEwscGDPYOh7QG6ORTSw
google-site-verification=f4xNZkwkuDtMDFZ3iufuGwRhuRwIY_oSPCn9uU5ADv0

NS 4

ns-1351.awsdns-40.org
ns-1729.awsdns-24.co.uk
ns-37.awsdns-04.com
ns-896.awsdns-48.net

SOA 1

ns-1351.awsdns-40.org awsdns-hostmaster.amazon.com

CAA 6

iodef "mailto:domains@ceros.com"
issue "amazon.com"
issue "digicert.com; cansignhttpexchanges=yes"
issue "globalsign.com"
issue "letsencrypt.org"
issue "sectigo.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`markup.io`	C=US, O=Let's Encrypt, CN=YR2	Tue, 06 Oct 2026 13:33:35 +0000
`YR2`	C=US, O=ISRG, CN=Root YR	Sat, 02 Sep 2028 23:59:59 +0000
`Root YR`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +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 markup.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_2ca314e147c81992
Output Hash: d85ed616e27f2ee52fddeaa37b29b24e9e97593ad4ca6edd99d859c1a91b3648
Signature: ed25519:b8113476ab05c1c99458f08b6509566ad476a1a191c9732fcf83c66df3950d1834d1f72f2756fb58863bdaaf873492455193875b496ae7720a1ab738f6f08405
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/markup.io