CONTINUOUS INTERNET TELEMETRY24H DRIFT3,199 material changesacross 2,780 domains · -199 vs yesterdayDNS DRIFT24 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -3 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination 365cool.com · -1 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,312 curated domains not answering-6,406 vs yesterdayERRORS10,960 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT3,199 material changesacross 2,780 domains · -199 vs yesterdayDNS DRIFT24 domains changed DNS providertop destination digicertdns.com + digicertdns.net · -3 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination 365cool.com · -1 vs yesterdayCERT DRIFT8 domains switched issuing CA24h · +1 vs yesterdayNOW3,312 curated domains not answering-6,406 vs yesterdayERRORS10,960 responded with an errorlast probe · 5xx / 404 / 429 / 403

isu.pub

Observed 2026-07-12T12:52:24.403Z (17h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onCloudflare
2 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat isu.pub actually stands on - every host below is a signed observation
isu.pub
A / AAAA
151.101.193.55151.101.129.55151.101.1.55151.101.65.55
Cloudflareserves the site
NS
ns-1190.awsdns-20.orgns-299.awsdns-37.comns-1961.awsdns-53.co.ukns-586.awsdns-09.net
awsdns-20.org + awsdns-37.com + moreanswers its DNS

HTTPS probe

ok Responding normally (2xx) 400
HTTP status400
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time245 ms
DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 4

  • 151.101.193.55
  • 151.101.129.55
  • 151.101.1.55
  • 151.101.65.55

TXT 2

  • v=spf1 -all
  • fastly-domain-delegation-00331056-2025326

NS 4

  • ns-1190.awsdns-20.org
  • ns-299.awsdns-37.com
  • ns-1961.awsdns-53.co.uk
  • ns-586.awsdns-09.net

SOA 1

  • ns-1190.awsdns-20.org awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (2)

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 isu.pub. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
898959f6-6df0-44ab-b416-1ce68f818d12
Output Hash
d73ec29a9de94692e6ad5cc0bb3afb60269d201b63352846c82ed3fd584e0a9c
Signature
ed25519:4a88f251cf52d761e348fe9e773d5aab60df0e8a0cdcd28cbef8622ad8adf8db4681cedc0efebc25ba0b95ad12b7d69cc719d01e1b567affdd700e4489e04009
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser