jeroen.nl

Observed Aug 16, 2026, 11:28 UTC (6h 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
Runs onCloudflare
Email byGoogle Workspace
Secured byGoogle Trust Services
Also usesGoogle Search ConsoleOpenAI
IPv6 · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat jeroen.nl actually stands on - every host below is a signed observation
jeroen.nl
A / AAAA
172.67.72.171104.26.10.69104.26.11.692606:4700:20::681a:b45+2 more
Cloudflareserves the site
NS
alaric.ns.cloudflare.comceleste.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
jeroen.nl
Google Trust Servicesissued its certificate

DNS Records

A 3

  • 172.67.72.171
  • 104.26.10.69
  • 104.26.11.69

AAAA 3

  • 2606:4700:20::681a:b45
  • 2606:4700:20::ac43:48ab
  • 2606:4700:20::681a:a45

MX 5

  • 1aspmx.l.google.com
  • 10alt3.aspmx.l.google.com
  • 10alt4.aspmx.l.google.com
  • 5alt1.aspmx.l.google.com
  • 5alt2.aspmx.l.google.com

TXT 6

  • google-site-verification=3RF5ozcq0bp42N-YPqWsI_hhM73iXvosLTXUuRvw6as
  • google-site-verification=72sR6xoMKhPbjm6yGcQYGG18EfQnwMv4WySaJDYYReA
  • google-site-verification=UR2lF3EZn1vN4g4J0Bnc8oxHVtZ7ZPn6KsDiyeB6o9M
  • google-site-verification=eHgQP98_eSuXdiw-Ad2gS0gPVEioPVjHrCqV8nBZUWA
  • openai-domain-verification=dv-IZjObidhwQi5yj3U83uW7B4j
  • v=spf1 include:mailgun.org include:_spf.google.com -all

NS 2

  • alaric.ns.cloudflare.com
  • celeste.ns.cloudflare.com

SOA 1

  • alaric.ns.cloudflare.com dns.cloudflare.com

DMARC_RECORDS 1

  • v=DMARC1; p=quarantine; pct=100; fo=1; ri=3600; adkim=s; aspf=s; rua=mailto:f772104a@dmarc.mailgun.org,mailto:4a52c35e@inbox.ondmarc.com; ruf=mailto:f772104a@dmarc.mailgun.org,mailto:4a52c35e@inbox.ondmarc.com

TLS Certificates (3)

Common NameIssuerExpires
jeroen.nl C=US, O=Google Trust Services, CN=WE1 Mon, 05 Oct 2026 21:47:07 +0000
WE1 C=US, O=Google Trust Services LLC, CN=GTS Root R4 Tue, 20 Feb 2029 14:00:00 +0000
GTS Root R4 C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA Fri, 28 Jan 2028 00:00:42 +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_4f72d60c4c3f6973
Output Hash
656fc9f8f5246264066d7562a1e2de849846ab92d112c2b51dd70902a9dc75a3
Signature
ed25519:25d4a2c83539c3934be693d980e2a602a8eec5f69398672c77f3c8fd53d21d48c4034f3e58006b944da65f371999fd2b18d7adfd7cd98be58c1fc5ec9bc7770d
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT39,303 material changesacross 37,396 domains · 24h to ~2h ago · -2,256 vs yesterdayROTATION67 domains moved DNS from magpiedns.com to koaladns.com, 62 moved backa rotation loop, not a migration · 24hEMAIL DRIFT3 domains switched email provider24hNOW589 curated domains not reachable+94 vs yesterdaySITE ERRORS36,075 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 116,370 sites429 rate-limit / 403 bot-block, a posture signal