updown.io

Observed Aug 2, 2026, 10:31 UTC (6h 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 usesGoogle Search Console

IPv6 · 2 subdomains · tranco

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

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

updown.io

A / AAAA

178.63.21.1762a01:4f8:141:441a::2

2a01serves the site

ns1.dnsimple.comns2.dnsimple-edge.netns3.dnsimple.comns4.dnsimple-edge.org

dnsimple.com + dnsimple-edge.net + moreanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

updown.io

Let's Encryptissued its certificate

DNS Records

A 1

178.63.21.176

AAAA 1

2a01:4f8:141:441a::2

MX 5

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

TXT 4

google-site-verification=UXom_nEwlgir08LzIgo1dQ_cedlfkSqRAT4PxnoD-rw
google-site-verification=aV1a9pUvFd5hoR5tRMDw0QB4QNbM7SJhFZAbJbfL-Ms
google-site-verification=g7K17v0M_1AqrjBvFY5u_71rFtKNQl4WggV57eqnkPE
v=spf1 include:_spf.google.com include:spf.mtasv.net include:_spf.mailersend.net ~all

NS 4

ns1.dnsimple.com
ns2.dnsimple-edge.net
ns3.dnsimple.com
ns4.dnsimple-edge.org

SOA 1

ns1.dnsimple.com admin.dnsimple.com

CAA 3

iodef "mailto:support@updown.io"
issue "letsencrypt.org"
issue "pki.goog"

DMARC_RECORDS 1

v=DMARC1; p=reject; rua=mailto:re+lkdlgufuxdn@dmarc.postmarkapp.com,mailto:qy8neki9j3hi@in.dmarced.eu ; aspf=r; pct=100

TLS Certificates (4)

Common Name	Issuer	Expires
`updown.io`	C=US, O=Let's Encrypt, CN=YE2	Sun, 20 Sep 2026 05:01:24 +0000
`YE2`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (2)

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 updown.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_d6c7031901151beb
Output Hash: 64a64bd44bd22c6f6024850af1b8209a10c6242d85363d626ea5ce0e9fad614e
Signature: ed25519:e2aed897dae4064ae262e7597a934f9154fd3a87951fae7ac41d25a0066048343311f0b8b85eb695617781bd5031139073fc65f10012bc0deb937cb77bdbb408
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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