rissa-cs.org

Observed Jul 28, 2026, 10:29 UTC (15h 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 byGoogle Trust Services

Also usesGoogle Search Console

1 subdomain · domcop

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

INFRASTRUCTURE MAPwhat rissa-cs.org actually stands on - every host below is a signed observation

rissa-cs.org

A / AAAA

185.230.63.186185.230.63.171185.230.63.107

unattributedserves the site

ns13.wixdns.netns12.wixdns.net

wixdns.netanswers its DNS

smtp.google.com

Google Workspacereceives its email

TLS

rissa-cs.org

Google Trust Servicesissued its certificate

DNS Records

A 3

185.230.63.186
185.230.63.171
185.230.63.107

MX 1

10smtp.google.com

TXT 1

v=spf1 +a +mx +ip4:185.15.122.73 include:_spf.spamprotection.no ~allgoogle-site-verification=QZgy9prLLXa9FRpnQ74VUtuixQTBcXTVSOe1rpumgzw

NS 2

ns13.wixdns.net
ns12.wixdns.net

SOA 1

ns12.wixdns.net support.wix.com

TLS Certificates (3)

Common Name	Issuer	Expires
`rissa-cs.org`	C=US, O=Google Trust Services, CN=WR1	Fri, 25 Sep 2026 12:08:38 +0000
`WR1`	C=US, O=Google Trust Services LLC, CN=GTS Root R1	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R1`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +0000

Subdomains (1)

www.rissa-cs.org

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 rissa-cs.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_fa4186da33668186
Output Hash: 0134397c0ae23f20f572406ec50fd19c7a0fcdc19569ac6c2e4d35532d493982
Signature: ed25519:6185854321e730681910ee69259fa08d9c0d3f7d3ed99bd19e27a0b6b536c13a7392955d50f129753620731702a08696cfb78ad9d2f116582b275c2a63681f00
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/rissa-cs.org