arbitrum.io

Observed Jul 24, 2026, 17:40 UTC (19h 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.

Verify this receipt yourself + Watch this domain

Guarded by a firewall

Runs onCloudflare

Email byGoogle Workspace

Secured byLet's Encrypt

Also usesGoogle Search Console

IPv6 · crypto

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat arbitrum.io actually stands on - every host below is a signed observation

arbitrum.io

A / AAAA

104.20.39.96172.66.171.452606:4700:10::6814:27602606:4700:10::ac42:ab2d

Cloudflareserves the site

arya.ns.cloudflare.comjames.ns.cloudflare.com

cloudflare.comanswers its DNS

aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

arbitrum.io

Let's Encryptissued its certificate

DNS Records

A 2

104.20.39.96
172.66.171.45

AAAA 2

2606:4700:10::6814:2760
2606:4700:10::ac42:ab2d

MX 5

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

TXT 10

proxy-ssl.webflow.com
v=spf1 include:_spf.google.com -all
google-site-verification=aPspDYxbwGeQ2JUEOiNgunjWKSuspDafwJyvz09haLU
google-site-verification=ngcH9fsCDBOie-gI1kMFV9EqpDdo2UHvqPH6QFLQF28
1a83ed18-dfb6-4525-a874-deb7e5fba99b=be039ae1868cb5f474cdaf6d1133ea106bc96ac81a9c38f7ad0979a67e7ff6af
41fdaff5-3132-4dd9-9b0b-180726eb3f62=aa33aa1eedd5b424460934bed9f4e063dd5d0588a4a944c3804f064aa3181c0f
5f3dbfb6-6062-4aa7-8bcd-febdde799b0e=b51d7b77b4ca810b262359a2123e9992f39015bbd0c94fc9d0de7933256ea1ad
7d1c8a97-3b19-4442-bae6-fffaa488a2a8=00545af161ed08024cb61fb627cdaeec555c567a1a231123120c1ab50c87e2a0
8a033f7f-875b-406e-83de-9eee95bf9385=3a6ab38d110c237829ed7ad190d9a2334d0dbd001246a608d416b238e8c3cf3f
v=DMARC1; p=reject; rua=mailto:sender-blocked@offchainlabs.com

NS 2

arya.ns.cloudflare.com
james.ns.cloudflare.com

SOA 1

arya.ns.cloudflare.com dns.cloudflare.com

TLS Certificates (4)

Common Name	Issuer	Expires
`arbitrum.io`	C=US, O=Let's Encrypt, CN=YE2	Thu, 01 Oct 2026 14:26:32 +0000
`YE2`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	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 arbitrum.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_99b048bc348aadd3
Output Hash: 39d50b2824aeeede909ec2e8e05aadf17d6a449d096210e159e6562b4f7022fb
Signature: ed25519:597f5026cc2a79fce669e3653651b4a28e6af6ef5b749dc167f93b3a6941d3ca7f63d50969192ae41246bf0731b3ba05f56b9455dc2872d369783c1ae485240a
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/arbitrum.io