markup.io

Observed Jul 19, 2026, 18:19 UTC (10h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Also usesHubSpotGoogle Search ConsoleFacebook/Meta

9 subdomains · 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

Cloudflareserves the site

ns-1351.awsdns-40.orgns-37.awsdns-04.comns-896.awsdns-48.netns-1729.awsdns-24.co.uk

awsdns-40.org + awsdns-04.com + moreanswers its DNS

alt1.aspmx.l.google.comaspmx3.googlemail.comaspmx.l.google.comaspmx2.googlemail.com+1 more

Google Workspacereceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.markup.io/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time478 ms

DNS resolutionNOERROR

Redirect chain

https://www.markup.io/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 1

63.35.7.93

MX 5

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

TXT 14

markup-domain-verification=66779d2e-3dc2-4a93-bc45-43e18b7414a1
v=spf1 include:_spf.google.com include:6426029.spf01.hubspotemail.net include:mail.zendesk.com -all
ahrefs-site-verification_78cd826ac143d577855830f973f7952246f9eb0be282f3ba68600964ba8ae3ea
_globalsign-domain-verification=-qAeWvNvF8pZ8KHSkJn_zNNHam8Ffglxfm_finCP2T
_globalsign-domain-verification=p1fktqCHnOA1sE262wg61RlM1M1TddxeBhTTQfKOf-
MS=ms66022977
google-site-verification=cDmYyXVqqHdHtF7pBubIMYgKEwscGDPYOh7QG6ORTSw
facebook-domain-verification=vshude7nkiyiljeyzflu99kx6xkbtf
google-site-verification=f4xNZkwkuDtMDFZ3iufuGwRhuRwIY_oSPCn9uU5ADv0
ca3-40ee55a2646d4a26b981b3b55364894d

NS 4

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

SOA 1

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

CAA 6

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

TLS Certificates (0)

None.

Subdomains (9)

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: 16fd1aeb-3258-4b29-a322-e4af196f01de
Output Hash: ac9a102641c2125b5f5643362a5ca6cb7be0bec13d53b487a72d0d0722758a17
Signature: ed25519:cc774bb33d4a5003e9804a6efe1c9df47e391a0fa7f6611ec7cca24605e6ab470b3d8301973a701a6c386fae6bc9e6290f058e8977697a322e4baa0ac1be6e0d
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

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