CONTINUOUS INTERNET TELEMETRY24H DRIFT1,193 material changesacross 712 domains · last 24h · -9,222 vs yesterdayDNS DRIFT22 domains changed DNS providertop destination cloudflare.com · -637 vs yesterdayEMAIL DRIFT5 domains switched email providertop destination google.com · -162 vs yesterdayCERT DRIFT4 domains switched issuing CA24h · -215 vs yesterdayNOW411 curated domains not reachable-292 vs yesterdaySITE ERRORS17,575 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 100,838 sites429 rate-limit / 403 bot-block, a posture signal

arh.org

Observed Jul 24, 2026, 12:02 UTC (11h 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 byProofpoint
Secured byLet's Encrypt
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat arh.org actually stands on - every host below is a signed observation
arh.org
A / AAAA
192.0.66.239
unattributedserves the site
NS
dr-ns2.arh.orgns1.arh.org
arh.organswers its DNS
MX
mxa-00527501.gslb.pphosted.commxb-00527501.gslb.pphosted.com
Proofpointreceives its email
TLS
arh.org
Let's Encryptissued its certificate

DNS Records

A 1

  • 192.0.66.239

MX 2

  • 10mxa-00527501.gslb.pphosted.com
  • 10mxb-00527501.gslb.pphosted.com

TXT 10

  • apple-domain-verification=Wxtmt4JHmANVoYLi
  • v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
  • specops-verification-code=c7ce695e-6b37-4e1e-8786-2724778b4e05
  • _skj7rfav0n41sn2udil10z4zzayi6ft
  • MS=ms51750281
  • MS=ms74941598
  • MS=A0C5087E6B802A909999160F4669BC767DE34F91
  • UA5hjLVS7MQOvd/+WLvetOGJt3+dcz0B4voE60bvybC1L2okpSnOx8Oa5SkJUE0eY77QgEtJKCxMULofymHs/g==
  • google-site-verification=uKC8lWcPwYARJp0dx5e5M-OCMVIH4OrvTGh7O5YRfRM
  • v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

NS 2

  • dr-ns2.arh.org
  • ns1.arh.org

SOA 1

  • ns1.arh.org hostmaster.arh.org

TLS Certificates (4)

Common NameIssuerExpires
arh.org C=US, O=Let's Encrypt, CN=YE1 Mon, 21 Sep 2026 10:40:20 +0000
YE1 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 arh.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
rcpt_32445ba0c88e9989
Output Hash
08326307c90e14d6b6cad56d22eab1c46fefa984d27156ff360a029bdea7325b
Signature
ed25519:d59dcc00d12f0039b176e3fec1b53cdd5b2226d25954b725d61a1e8684d158f9ee4473d20964e994c324f249ad37dad3fd49718b776d60fd26735d38fc73c001
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser