rp-photonics.com

Observed Jul 27, 2026, 22:33 UTC (3d 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.

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Up right now

Secured byLet's Encrypt

IPv6 · 1 subdomain · tranco

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

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

rp-photonics.com

A / AAAA

149.126.4.1132a01:ab20:0:4::113

2a01serves the site

ns2.cyon.chns1.cyon.ch

cyon.chanswers its DNS

mail.rp-photonics.com

rp-photonics.comreceives its email

TLS

rp-photonics.ch

Let's Encryptissued its certificate

DNS Records

A 1

149.126.4.113

AAAA 1

2a01:ab20:0:4::113

MX 1

0mail.rp-photonics.com

TXT 2

v=spf1 include:spf.protection.cyon.net -all
v=DMARC1; p=reject; rua=mailto:subscriptions@rp-photonics.com; ruf=mailto:subscriptions@rp-photonics.com; fo=1;

NS 2

ns2.cyon.ch
ns1.cyon.ch

SOA 1

ns1.cyon.ch server.cyon.ch

SRV 1

maildiscovery.cyon.ch:443 p0

TLS Certificates (3)

Common Name	Issuer	Expires
`rp-photonics.ch`	C=US, O=Let's Encrypt, CN=YR2	Tue, 20 Oct 2026 20:40:22 +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.rp-photonics.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 rp-photonics.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_f344b8192154122e
Output Hash: 8705d22156ddfe4266fd3e918b24bc4dbb15b6a28564b36422576253fbff86f3
Signature: ed25519:ee74b48bcbb4b791544c88e58903d82b3f13eb8234ebb89afa638f626f6cd1e1a07f2c52c65f9a634a42e33a06542077f9ace6d9d5e745b2c8373c5253238f02
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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