zotero.org
Observed Jul 18, 2026, 12:47 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onAmazon
Email byAmazon SES
Secured byAmazon
Registered withAmazon Registrar, Inc.
tranco_10k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zotero.org actually stands on - every host below is a signed observation
zotero.org
A / AAAA
100.51.148.6698.90.211.2543.217.103.124
Amazonserves the site
NS
ns-1395.awsdns-46.orgns-1678.awsdns-17.co.ukns-496.awsdns-62.comns-635.awsdns-15.net
awsdns-46.org + awsdns-17.co.uk + moreanswers its DNS
MX
mail.zotero.org
Amazon SESreceives its email
TLS
zotero.org
Amazonissued its certificate
DNS Records
A 3
100.51.148.6698.90.211.2543.217.103.124
MX 1
10mail.zotero.org
TXT 2
v=spf1 mx include:amazonses.com -allv=DMARC1; p=quarantine; pct=100; sp=reject; rua=mailto:dmarc-reports@zotero.org; ruf=mailto:dmarc-reports@zotero.org; fo=1
NS 4
ns-1395.awsdns-46.orgns-1678.awsdns-17.co.ukns-496.awsdns-62.comns-635.awsdns-15.net
SOA 1
ns-1395.awsdns-46.org awsdns-hostmaster.amazon.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
zotero.org |
C=US, O=Amazon, CN=Amazon RSA 2048 M01 | Sat, 31 Oct 2026 23:59:59 +0000 |
Amazon RSA 2048 M01 |
C=US, O=Amazon, CN=Amazon Root CA 1 | Fri, 23 Aug 2030 22:21:28 +0000 |
Amazon Root CA 1 |
C=US, ST=Arizona, L=Scottsdale, O=Starfield Technologies, Inc., CN=Starfield Services Root Certificate Authority - G2 | Thu, 31 Dec 2037 01:00:00 +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 receiptEd25519 Receipt
- Receipt ID
ee5100fd-59c5-46b8-ace1-1c21e5786178- Output Hash
8bb9ca65441c58467f57d74ce750022834ecbc579aaa6696794088faaa1e5033- Signature
ed25519:41e3cbbcfbe350274135f1d2d480274d24f6f86cd32da96d3970700c7b17052fff7b2be2bdd22fb42c4516761c02d4949f5d0cbfdfe9f936bdb23115642ceb0a- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast