jeffooi.com
Observed Aug 16, 2026, 13:55 UTC (14h 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 byProtonMail
ProtonMailSecured byLet's Encrypt
Let's EncryptAlso usesProton MailMicrosoft 365
Microsoft 3651 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFT
Steady. No change on record for jeffooi.com in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
INFRASTRUCTURE MAPwhat jeffooi.com actually stands on - every host below is a signed observation
jeffooi.com
A / AAAA
183.78.170.118
unattributedserves the site
NS
ns1.webranet.netns2.webranet.net
webranet.netanswers its DNS
MX
mail.protonmail.chmailsec.protonmail.ch
ProtonMailreceives its email
TLS
www.jeffooi.com
Let's Encryptissued its certificate
DNS Records
A 1
183.78.170.118
MX 2
10mail.protonmail.ch20mailsec.protonmail.ch
TXT 3
protonmail-verification=6f49bc06106e94af047c4c57dd8c6aaaa81441cbMS=ms93819087v=spf1 include:_spf.protonmail.ch ~all
NS 2
ns1.webranet.netns2.webranet.net
SOA 1
ns1.webranet.net jerry.mfocus.com.my
DMARC_RECORDS 1
v=DMARC1; p=quarantine
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.jeffooi.com |
C=US, O=Let's Encrypt, CN=YR1 | Mon, 09 Nov 2026 17:42:52 +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_ef2f3435c7b5195a- Output Hash
e08897558b89c25f6ed9e781ec444a4ec64bebdc2813e8ad093ef93eceb489c9- Signature
ed25519:f64ef7fe1464f13b7136ff85373a230e65f41c5232663208a5f3b22d2ddf59c5044d5228dbb4dbbc5145aa1234bbf92c2ec76e70ef2bf7bb5f67f447f0ec1100- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast