jplibrary.net
Observed Aug 16, 2026, 19:23 UTC (1h 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 byLet's Encrypt
Let's EncryptAlso usesDuo Security
Duo Security1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jplibrary.net actually stands on - every host below is a signed observation
jplibrary.net
A / AAAA
159.65.179.165
unattributedserves the site
NS
ns.state.lib.la.usns2.state.lib.la.us
la.usanswers its DNS
MX
jeffersonlibrary-mx.email-protect.gosecure.netjefferson-lib-la-us.mail.protection.outlook.com
Microsoft 365receives its email
TLS
jplibrary.net
Let's Encryptissued its certificate
DNS Records
A 1
159.65.179.165
MX 2
10jeffersonlibrary-mx.email-protect.gosecure.net20jefferson-lib-la-us.mail.protection.outlook.com
TXT 7
v=DMARC1; p=quarantine; rua=mailto:helpdesk@jefferson.lib.la.us; ruf=mailto:helpdesk@jefferson.lib.la.us; fo=1MS=ms13085564htugjh83qkv7pr78jv32pnjejpMS=E41182BF48C0C9545352273C9DFAFF54A07A08C7duo_sso_verification=ZPhXy37v4AQFk6fW0BOHNEck0ozgtCsQKymJOMIw48iHsp8qOLMrtESaatwXCA7l37D/uRZw0+tPqO7OzqpDnMDn0ab4+61P4w7slPAR/fOQdekR8w7PSd6Jjpc0AIMnW2ccoxYYKwsU6UUKJhSi/g==v=spf1 include:spf.protection.outlook.com include:spf.mailjet.com mx ip4:208.80.200.0/21 -all
NS 2
ns.state.lib.la.usns2.state.lib.la.us
SOA 1
ns.state.lib.la.us sysadmin.state.lib.la.us
DMARC_RECORDS 1
v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
jplibrary.net |
C=US, O=Let's Encrypt, CN=YR2 | Thu, 27 Aug 2026 04:16:50 +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)
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_cf9ccbc37bd70448- Output Hash
44e37dc96682eb3ac802fb0385c816b23d0539a6bbe244c397f0d4b4fe027fd6- Signature
ed25519:e24a672ff8f2f738dc837e7098797ed2b8274c47cbc48d7faa0d422504a2ea27aa3db6186aae449ac3550a2b60addf259776a69e6b322a33e599476e7404c202- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast