memorize.online

Observed Aug 16, 2026, 10:10 UTC (3h 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
Registered withNameCheap, Inc.
domcop
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat memorize.online actually stands on - every host below is a signed observation
memorize.online
A / AAAA
3.33.161.4513.248.131.21315.197.152.25435.71.150.51
unattributedserves 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
memorize.online
Let's Encryptissued its certificate

DNS Records

A 4

  • 3.33.161.45
  • 13.248.131.213
  • 15.197.152.254
  • 35.71.150.51

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

  • memorize.online.herokudns.com

NS 2

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

SOA 1

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

TLS Certificates (3)

Common NameIssuerExpires
memorize.online C=US, O=Let's Encrypt, CN=YR2 Tue, 20 Oct 2026 00:41:38 +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 (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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_073a7a1cccaf2c23
Output Hash
f180fe2d62575e38f2194fb399a07c2c565c385763340add1908906394e039cb
Signature
ed25519:539efb0ae0dd807412448e3a6a4f9e505924a313919a3eefa24969f7e1c2077cac896a01ee45c738ccc814e4c508c66462a78b7ee068f60fd5b7d1a2f5ebaa05
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT41,849 material changesacross 39,990 domains · 24h to ~60m ago · +290 vs yesterdayROTATION56 domains moved DNS from koaladns.com to magpiedns.com, 55 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email providertop destination alltheemails.comNOW574 curated domains not reachable+79 vs yesterdaySITE ERRORS36,545 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,488 sites429 rate-limit / 403 bot-block, a posture signal