linuxdevcenter.com

Observed Aug 16, 2026, 07:07 UTC (16h 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 withGoDaddy.com, LLC
1 subdomain · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat linuxdevcenter.com actually stands on - every host below is a signed observation
linuxdevcenter.com
A / AAAA
34.169.83.167
unattributedserves the site
NS
a16-65.akam.neta3-67.akam.neta1-225.akam.neta20-66.akam.net+2 more
akam.netanswers its DNS
TLS
misc5.oreilly.com
Let's Encryptissued its certificate

DNS Records

A 1

  • 34.169.83.167

NS 6

  • a16-65.akam.net
  • a3-67.akam.net
  • a1-225.akam.net
  • a20-66.akam.net
  • a4-64.akam.net
  • a13-64.akam.net

SOA 1

  • a1-225.akam.net nic-tc.oreilly.com

TLS Certificates (3)

Common NameIssuerExpires
misc5.oreilly.com C=US, O=Let's Encrypt, CN=YR2 Thu, 03 Sep 2026 23:10:19 +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 receipt

Ed25519 Receipt

Receipt ID
rcpt_81a4dda8e9b14400
Output Hash
13722f24fc42bda8937ed69c7e8bd84d577d97fa5334d2b0f5aea347b2b367f0
Signature
ed25519:c90a39b4df47c04ec5235d519e2d0859e5fa70841e045bfef16a7de912d91f38aca6c31cf9cacb8f6ca3abced442eec24e1ef5b64fa5377e79e31f49a1d0ce0c
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT39,240 material changesacross 37,425 domains · 24h to ~2h ago · -2,319 vs yesterdayROTATION59 domains moved DNS from koaladns.com to magpiedns.com, 57 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW591 curated domains not reachable+96 vs yesterdaySITE ERRORS35,522 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,252 sites429 rate-limit / 403 bot-block, a posture signal