retrotechnology.com

Observed Jul 26, 2026, 06:17 UTC (7d 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 byProtonMail

Secured byLet's Encrypt

IPv6 · 1 subdomain · majestic

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

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

retrotechnology.com

A / AAAA

64.246.135.582607:f058:186:1::58

2607serves the site

ns2.he.netns5.he.netns3.he.netns4.he.net+1 more

he.netanswers its DNS

mailsec.protonmail.chmail.protonmail.ch

ProtonMailreceives its email

TLS

retrotechnology.com

Let's Encryptissued its certificate

DNS Records

A 1

64.246.135.58

AAAA 1

2607:f058:186:1::58

MX 2

20mailsec.protonmail.ch
10mail.protonmail.ch

TXT 3

v=spf1 include:_spf.protonmail.ch mx ~all
protonmail-verification=b5fadff31a96c7039e646fa0580752824149252c
v=DMARC1; p=none

NS 5

ns2.he.net
ns5.he.net
ns3.he.net
ns4.he.net
ns1.he.net

SOA 1

ns1.he.net hostmaster.he.net

TLS Certificates (3)

Common Name	Issuer	Expires
`retrotechnology.com`	C=US, O=Let's Encrypt, CN=YR2	Mon, 28 Sep 2026 03:01:41 +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 (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_2c6bb8f9edf3a86b
Output Hash: aed57fe135cb9a58642ac34d55f87643135614c559d97a1ecd2e71bf8f8d01fd
Signature: ed25519:8f4ec96ea7f077f8ca5c187502c2306d30432f71cd61ba05e955c8b2f211b654fccd4c6be60b539ca7dccd1a077df3e775988497e09271dde3cba790e242ae09
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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