astera.com

Observed Jul 24, 2026, 10:33 UTC (11h 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 byMicrosoft 365

Secured byLet's Encrypt

Also usesGoogle Search ConsoleHubSpot

tranco

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

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

astera.com

A / AAAA

76.76.21.21

unattributedserves the site

lynn.ns.cloudflare.comnicole.ns.cloudflare.com

cloudflare.comanswers its DNS

astera-com.mail.protection.outlook.com

Microsoft 365receives its email

TLS

astera.com

Let's Encryptissued its certificate

DNS Records

A 1

76.76.21.21

MX 1

0astera-com.mail.protection.outlook.com

TXT 12

anthropic-domain-verification-89s21p=XQnCHMwwIAZOLhm4HaPlOprkt
cursor-domain-verification-xy6tsr=L5T93u9VCJQQDkpa3Y4n80iCU
d365mktkey=kKOOeQC2UuxmOgd47nPEBy3okVea5EmvavxdQ6t0kVIx
google-site-verification=WZp7J_swlv5ezkS9GkPBLmrfypo207fPJOaPqzcxBuQ
google-site-verification=X4SHlfDFu95Oj1hPJ5A6z3D-CJJ7tutJEZAIuNVgbSM
google-site-verification=dRMzKleWi3xv8hf4Voy3vkT1KbISJBetMrMvQlAWzsk
google-site-verification=fB8gdM8t3jhmQpdujPp2n1g6MXWTA_WWC3bFPYHirLA
ms-domain-verification=94adb44b-ca84-4a07-bcf8-ec842975e654
tmes=f9380592973736b21008bf5dffd1e52a
v=DMARC1; p=none; pct=100;

NS 2

lynn.ns.cloudflare.com
nicole.ns.cloudflare.com

SOA 1

lynn.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common Name	Issuer	Expires
`astera.com`	C=US, O=Let's Encrypt, CN=YR2	Fri, 16 Oct 2026 07:53:04 +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 astera.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_71f9ae19486650ef
Output Hash: be9cbab3c211c6c3becb7cc3951a8f6f1a4fb72cb70cc8f4dfd291d7f4a4704a
Signature: ed25519:a1ee612675da6455d967a7c17be42867ace06299e0e9df220ef679db468edac66d0ff7c3a49a9b707c14358e78ba5974661b2693568df6e6be748189c8bb0c0b
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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