CONTINUOUS INTERNET TELEMETRY24H DRIFT2,472 material changesacross 2,239 domains · -926 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.com · -11 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT5 domains switched issuing CA24h · -2 vs yesterdayNOW3,324 curated domains not answering-6,394 vs yesterdayERRORS10,913 responded with an errorlast probe · 5xx / 404 / 429 / 40324H DRIFT2,472 material changesacross 2,239 domains · -926 vs yesterdayDNS DRIFT16 domains changed DNS providertop destination cloudflare.com · -11 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -1 vs yesterdayCERT DRIFT5 domains switched issuing CA24h · -2 vs yesterdayNOW3,324 curated domains not answering-6,394 vs yesterdayERRORS10,913 responded with an errorlast probe · 5xx / 404 / 429 / 403

phcorner.org

Observed 2026-07-13T16:28:01.012Z (6h ago). Every field below was attested with an Ed25519 signature at scan time.

Guarded by a firewall
Runs onCloudflare
Also usesGoogle Search Console
IPv6 · 1 subdomain · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat phcorner.org actually stands on - every host below is a signed observation
phcorner.org
A / AAAA
104.26.15.120104.26.14.120172.67.68.2272606:4700:20::681a:e78+2 more
Cloudflareserves the site
NS
anna.ns.cloudflare.comsam.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
linda.mx.cloudflare.netamir.mx.cloudflare.netisaac.mx.cloudflare.net
cloudflare.netreceives its email

HTTPS probe

bot_blocked Blocked our probe (WAF / bot protection) 403 blocked by cloudflare - bot protection active
HTTP status403
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time18 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 3

  • 104.26.15.120
  • 104.26.14.120
  • 172.67.68.227

AAAA 3

  • 2606:4700:20::681a:e78
  • 2606:4700:20::ac43:44e3
  • 2606:4700:20::681a:f78

MX 3

  • 31linda.mx.cloudflare.net
  • 82amir.mx.cloudflare.net
  • 95isaac.mx.cloudflare.net

TXT 4

  • google-site-verification=D6_5zLExzGoJfmedMK5ikgLWjx8KOSMmsPF0M5hvunA
  • v=spf1 include:_spf.mx.cloudflare.net ~all
  • v=DMARC1; p=none;
  • v=DNSSEC1; (detected)

NS 2

  • anna.ns.cloudflare.com
  • sam.ns.cloudflare.com

SOA 1

  • anna.ns.cloudflare.com dns.cloudflare.com

CAA 10

  • issue digicert.com; cansignhttpexchanges=yes
  • issue comodoca.com
  • issuewild comodoca.com
  • issue pki.goog; cansignhttpexchanges=yes
  • issuewild pki.goog; cansignhttpexchanges=yes
  • issue letsencrypt.org
  • issuewild digicert.com; cansignhttpexchanges=yes
  • issuewild letsencrypt.org
  • issue ssl.com
  • issuewild ssl.com

TLS Certificates (0)

None.

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; nothing leaves your machine.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID
bd574dd1-a88b-4f9b-b414-79dc9745f29e
Output Hash
9df6e8876ce535d97601ff255eb422f3426b12011307ce0c1c7a7b25a132f08a
Signature
ed25519:2145ecb5165ba1b05dedacbbc1f21877bd369c9f78f5bdeadcb36aff3d1cef5671e0d9a28cdabe9bde8c4ee39b00fcf2c9fb4630fefb133d58a25fada8ae3108
Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent
(genesis)
Plane
fast
Verify this in your browser