CONTINUOUS INTERNET TELEMETRY24H DRIFT7,587 material changesacross 7,432 domains · last 24h · -1,247 vs yesterdayDNS DRIFT207 domains changed DNS providertop destination cloudflare.com · -70 vs yesterdayEMAIL DRIFT48 domains switched email providertop destination outlook.com · -6 vs yesterdayCERT DRIFT66 domains switched issuing CA24h · -7 vs yesterdayNOW509 curated domains not reachable-48 vs yesterdaySITE ERRORS34,066 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 146,011 sites429 rate-limit / 403 bot-block, a posture signal

arena.run

Observed Jul 25, 2026, 23:05 UTC (2d 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
Email byGoogle Workspace
Secured byLet's Encrypt
Also usesHubSpot
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat arena.run actually stands on - every host below is a signed observation
arena.run
A / AAAA
52.206.214.15
unattributedserves the site
NS
andy.ns.cloudflare.combonnie.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
arena.run
Let's Encryptissued its certificate

DNS Records

A 1

  • 52.206.214.15

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 2

  • v=spf1 include:servers.mcsv.net include:sendgrid.net include:_spf.google.com include:6758739.spf06.hubspotemail.net ~all
  • v=DMARC1; p=none;

NS 2

  • andy.ns.cloudflare.com
  • bonnie.ns.cloudflare.com

SOA 1

  • andy.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (3)

Common NameIssuerExpires
arena.run C=US, O=Let's Encrypt, CN=YR1 Sat, 29 Aug 2026 09:07:07 +0000
YR1 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; nothing leaves your machine.

Verify this receipt

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

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

Ed25519 Receipt

Receipt ID
rcpt_161db923b653364b
Output Hash
1cf7d9b20893ab39f953a258c293affd5ca07017d157d076a2e94b791a0c8e5d
Signature
ed25519:c0dd185dfafed18b6618e5dad80bc1fc4b146dd4dabd71c6321f28adbdd0a264569ee335c7ff6700d949528e22670b069209dfa31c2c0e4de014b5e212edb10a
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser