andrewkchan.dev

Observed Jul 27, 2026, 03:37 UTC (5d 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.

Verify this receipt yourself + Watch this domain

Up right now

Secured byLet's Encrypt

IPv6 · 1 subdomain · domcop

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat andrewkchan.dev actually stands on - every host below is a signed observation

andrewkchan.dev

A / AAAA

185.199.108.153185.199.109.153185.199.110.153185.199.111.153+4 more

2606serves the site

dns1.registrar-servers.comdns2.registrar-servers.com

registrar-servers.comanswers its DNS

eforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.com+1 more

registrar-servers.comreceives its email

TLS

andrewkchan.dev

Let's Encryptissued its certificate

DNS Records

A 4

185.199.108.153
185.199.109.153
185.199.110.153
185.199.111.153

AAAA 4

2606:50c0:8000::153
2606:50c0:8001::153
2606:50c0:8002::153
2606:50c0:8003::153

MX 5

10eforward1.registrar-servers.com
10eforward2.registrar-servers.com
10eforward3.registrar-servers.com
15eforward4.registrar-servers.com
20eforward5.registrar-servers.com

TXT 1

v=spf1 include:spf.efwd.registrar-servers.com ~all

CNAME 1

andrewkchan.github.io

NS 2

dns1.registrar-servers.com
dns2.registrar-servers.com

SOA 1

dns1.registrar-servers.com hostmaster.registrar-servers.com

CAA 6

issue "digicert.com"
issue "letsencrypt.org"
issue "sectigo.com"
issuewild "digicert.com"
issuewild "letsencrypt.org"
issuewild "sectigo.com"

TLS Certificates (3)

Common Name	Issuer	Expires
`andrewkchan.dev`	C=US, O=Let's Encrypt, CN=YR2	Thu, 24 Sep 2026 01:14:22 +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)

www.andrewkchan.dev

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for andrewkchan.dev. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/andrewkchan.dev">
  <img src="https://domaindrift.io/badge/andrewkchan.dev.svg"
       width="300" height="64" alt="DomainDrift signed observations for andrewkchan.dev">
</a>

Ed25519 Receipt

Receipt ID: rcpt_6da9a3039715949b
Output Hash: c7ad60ab875ea633733f03744f4b51aeecc1134078a3afeb5e1786749f609625
Signature: ed25519:8ca8250b9714356b280ad017fe75e3cd7ecfc21b341e0a7ff5016f2879c3276e48d18fe65d42de3cbc0dd1b002ce4edfcade99eb29e9895a682d7fec9dcf2b0e
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/andrewkchan.dev