astronomy.tools

Observed Jul 23, 2026, 23:02 UTC (1d 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

7 subdomains · tranco

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

INFRASTRUCTURE MAPwhat astronomy.tools actually stands on - every host below is a signed observation

astronomy.tools

A / AAAA

77.95.113.194

unattributedserves the site

ns4.mysecurecloudhost.comns3.mysecurecloudhost.comns1.mysecurecloudhost.comns2.mysecurecloudhost.com

mysecurecloudhost.comanswers its DNS

alt2.aspmx.l.google.comalt1.aspmx.l.google.comaspmx2.googlemail.comaspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

astronomycalculators.com

Let's Encryptissued its certificate

DNS Records

A 1

77.95.113.194

MX 5

20alt2.aspmx.l.google.com
20alt1.aspmx.l.google.com
30aspmx2.googlemail.com
10aspmx.l.google.com
30aspmx3.googlemail.com

TXT 2

v=spf1 +a +mx +ip4:209.97.188.73 include:spf.mysecurecloudhost.com +ip4:77.95.113.194 +ip4:46.101.1.153 +ip4:95.142.155.26 +ip4:185.52.24.8 +include:_spf.google.com +include:helpscoutemail.com ~all
q71r3bhibr54eg3i698ajuuepn

NS 4

ns4.mysecurecloudhost.com
ns3.mysecurecloudhost.com
ns1.mysecurecloudhost.com
ns2.mysecurecloudhost.com

SOA 1

ns2.mysecurecloudhost.com grant.firstlightoptics.com

TLS Certificates (3)

Common Name	Issuer	Expires
`astronomycalculators.com`	C=US, O=Let's Encrypt, CN=YR1	Wed, 09 Sep 2026 06:59:42 +0000
`YR1`	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 (7)

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 astronomy.tools. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_812dfc7b345eab01
Output Hash: 3bd1d129e51ec0dbdc582f7c2c42a671cc8a747af0274ad88cc96dadb637ed5a
Signature: ed25519:7becbf53811bf7d4c11e62223c6fcda6c94705e68f01fd9ebc025d48b01ba3e610304b71d36247f0918955399151d4fdce88127b7f8c9ca3ada6ca8233a14b01
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/astronomy.tools