jcfields.dev
Observed Aug 16, 2026, 11:46 UTC (8h 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
Secured byLet's Encrypt
Let's EncryptIPv6 · 1 subdomain · domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jcfields.dev actually stands on - every host below is a signed observation
jcfields.dev
A / AAAA
72.60.125.1412a02:4780:2d:461a::1
2a02serves the site
NS
dns1.registrar-servers.comdns2.registrar-servers.com
registrar-servers.comanswers its DNS
MX
eforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.com+1 more
registrar-servers.comreceives its email
TLS
jcfields.dev
Let's Encryptissued its certificate
DNS Records
A 1
72.60.125.141
AAAA 1
2a02:4780:2d:461a::1
MX 5
10eforward1.registrar-servers.com10eforward2.registrar-servers.com10eforward3.registrar-servers.com15eforward4.registrar-servers.com20eforward5.registrar-servers.com
TXT 1
v=spf1 include:spf.efwd.registrar-servers.com ~all
NS 2
dns1.registrar-servers.comdns2.registrar-servers.com
SOA 1
dns1.registrar-servers.com hostmaster.registrar-servers.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
jcfields.dev |
C=US, O=Let's Encrypt, CN=YR1 | Sun, 18 Oct 2026 18:11:17 +0000 |
YR1 |
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_6f62d56e1d2fd4f1- Output Hash
1340bc2bce2ab01d8d751abac146ce4acfaf37afc5f0dcc08cb2dc0b41f562da- Signature
ed25519:53cf1dee8c96946f858a2d1724ec5a3dba6f8fe6f5f27780619dbc640cdc49486f9e46d18bac7011c337fc1578f7e91cedaaa4377e485c29807dd25f04a71c04- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast