rzss.org.uk
Observed Aug 16, 2026, 18:39 UTC (25m 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.
Up right now
Email byMicrosoft 365
Microsoft 365Secured bySectigo
SectigoAlso usesAmazon BusinessAutodesk
Amazon Business
Autodeskmajestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rzss.org.uk actually stands on - every host below is a signed observation
rzss.org.uk
A / AAAA
3.33.168.244
unattributedserves the site
NS
ns1.swiftmanagedservices.comns0.swiftmanagedservices.com
swiftmanagedservices.comanswers its DNS
MX
rzss-org-uk.mail.protection.outlook.com
Microsoft 365receives its email
TLS
*.rzss.org.uk
Sectigo Limitedissued its certificate
DNS Records
A 1
3.33.168.244
MX 1
0rzss-org-uk.mail.protection.outlook.com
TXT 4
v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:shops.shopify.com include:mail.zendesk.com include:eu.mailgun.org a:server1.indigoservers.co.uk ip4:192.254.125.237/32 -allamazon-business-verification=c10b41dd39252456bf2f4df10010283e8608c5c0f7c501c101631567217aac3amandrill_verify.uMfgCQvnJIj5c1t5ElNjMwautodesk-domain-verification=8q1nak_CQE2-_l9oYO3h
NS 2
ns1.swiftmanagedservices.comns0.swiftmanagedservices.com
SOA 1
ns0.swiftmanagedservices.com hostmaster.rzss.org.uk
DMARC_RECORDS 1
v=DMARC1; p=none; rua=mailto:vHgB91sSW3V@dmarc-rua.mailcheck.service.ncsc.gov.uk;
MTA_STS_RECORDS 1
v=STSv1; id=202411281355
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
*.rzss.org.uk |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA DV R36 | Sun, 10 Jan 2027 23:59:59 +0000 |
Sectigo Public Server Authentication CA DV R36 |
C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 | Fri, 21 Mar 2036 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; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_31a26220f8896d13- Output Hash
8322a526768b511b995295ed6ca45864118b3fc3a04e7c3662778cd251f35508- Signature
ed25519:4c0a3f4975d44d230d7a12a474568013946d12dcf6386570052673e3133b142aec8bd7180cac990b50284a9445c89aeb21581ffa23673fe7d342b91672189d01- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast