CONTINUOUS INTERNET TELEMETRY24H DRIFT39,267 material changesacross 37,658 domains · 24h to ~45m ago · -1,593 vs yesterdayNOW555 curated domains not reachablelast probe, steadySITE ERRORS34,567 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 156,805 sites429 rate-limit / 403 bot-block, a posture signal

zylstra.org

Observed Jul 26, 2026, 10:08 UTC (7d 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
IPv6 · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat zylstra.org actually stands on - every host below is a signed observation
zylstra.org
A / AAAA
212.114.120.2212001:7b8:62b:1:0:d4ff:fe72:78dd
2001serves the site
NS
ns3.your-webhost.nlns4.your-webhost.nl
your-webhost.nlanswers its DNS
MX
mail.zylstra.orgmail.zylstra.org
zylstra.orgreceives its email
TLS
zylstra.org
Let's Encryptissued its certificate

DNS Records

A 1

  • 212.114.120.221

AAAA 1

  • 2001:7b8:62b:1:0:d4ff:fe72:78dd

MX 2

  • 10mail.zylstra.org
  • 20mail.zylstra.org

TXT 2

  • v=spf1 ip4:212.114.120.221 ip6:2001:7b8:62b:1:0:d4ff:fe72:78dd a mx ~all
  • v=DMARC1; p=reject; aspf=r; sp=none

NS 2

  • ns3.your-webhost.nl
  • ns4.your-webhost.nl

SOA 1

  • web401.your-webhost.nl registratie.your-webhost.nl

TLS Certificates (3)

Common NameIssuerExpires
zylstra.org C=US, O=Let's Encrypt, CN=YR2 Sat, 12 Sep 2026 00:08:40 +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; nothing leaves your machine.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID
rcpt_b32760157c2868de
Output Hash
84b886904629aba81bc118ed1e0e07966314991466fa471cca1aaf72d77714ed
Signature
ed25519:19d49b02564824c8d6007848140a148a96d47ea8124f583bde8d2ea4d29ac29529336190d769ef9df16c664bd196a4625ff7023b14c4c96f49bc78b67435e206
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser