astronomy.com

Observed Jul 22, 2026, 00:27 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 Workspace

Secured byLet's Encrypt

Registered withGoDaddy.com, LLC

Also usesFacebook/MetaGoogle Search Console

1 subdomain · tranco_20k

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

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

astronomy.com

A / AAAA

192.0.66.100

Automatticserves the site

emma.ns.cloudflare.comleo.ns.cloudflare.com

cloudflare.comanswers its DNS

ASPMX.L.GOOGLE.comALT3.ASPMX.L.GOOGLE.comALT4.ASPMX.L.GOOGLE.comALT3.ASPMX.L.GOOGLE.com+5 more

Google Workspacereceives its email

TLS

astronomy.com

Let's Encryptissued its certificate

DNS Records

A 1

192.0.66.100

MX 9

1ASPMX.L.GOOGLE.com
10ALT3.ASPMX.L.GOOGLE.com
10ALT4.ASPMX.L.GOOGLE.com
10ALT3.ASPMX.L.GOOGLE.com
10ALT4.ASPMX.L.GOOGLE.com
5ALT1.ASPMX.L.GOOGLE.com
5ALT2.ASPMX.L.GOOGLE.com
5ALT1.ASPMX.L.GOOGLE.com
5ALT2.ASPMX.L.GOOGLE.com

TXT 15

0ed1fe018a9de38b907c7c458caf9510
2bal4baq54uka61jiv6mruabck
7fa80betd4e7fe1seognb8g0pk
8d8h3r3vtuh0tvl2el70s57ir9
CU2565XfDGfHVGdkHr2tZiRBzWWSl4HvKqnWm23KRMI4hbEe0Mdf/Gk9N1NZaVp2p3h3h4JzSlXb9OFBRgLWUQ==
MS=ms18345035
bmFbgO2FG71UxNRUMcXpzx9e03P8iQauzugjjKFLJN2JesHBXCCEIvEfTbBxenYzswYRxgz/2sydAt0vh5Ad3Q==
etk1in20soi028ph0dk4odrf9m
facebook-domain-verification=g1gnepzz88je0ng1fds4jnm0ere28i
google-gws-recovery-domain-verification=52451732

NS 2

emma.ns.cloudflare.com
leo.ns.cloudflare.com

SOA 1

emma.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (4)

Common Name	Issuer	Expires
`astronomy.com`	C=US, O=Let's Encrypt, CN=YE1	Tue, 06 Oct 2026 08:10:48 +0000
`YE1`	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 (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_c9f9b6bcf6c8a225
Output Hash: c3c0e30d4aa3f0f2a77cad0a95736b5ccf3b8f10833a486152c0f7c237682a9a
Signature: ed25519:dd08a0b5aae5461e018306e20cc3e5a0c4f70ae25f9e5977f59100947fc12f3a6df0aaad2e4488aea8cd76fb1dc7b685f4a3b6b3cbf83c25e97fd8735d56bc0d
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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