CONTINUOUS INTERNET TELEMETRY24H DRIFT147 material changesacross 112 domains · -511 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW4,014 curated domains not answering+1,185 vs yesterdayERRORS25,998 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED75,783 throttled or blocked our scanner429 rate-limit / 403 bot-block24H DRIFT147 material changesacross 112 domains · -511 vs yesterdayCERT DRIFT3 domains switched issuing CA24h · +1 vs yesterdayNOW4,014 curated domains not answering+1,185 vs yesterdayERRORS25,998 responded with an errorlast probe · 5xx / 404 / TLSTHROTTLED75,783 throttled or blocked our scanner429 rate-limit / 403 bot-block

i-ready.com

Observed Jul 18, 2026, 12:48 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now
Runs onMicrosoft Corporation
Email byProofpoint
Secured byGoDaddy.com
Registered withGoDaddy.com, LLC
1 subdomain · tranco_10k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat i-ready.com actually stands on - every host below is a signed observation
i-ready.com
A / AAAA
20.168.238.159
Microsoft Corporationserves the site
NS
ns-1125.awsdns-12.orgns-1977.awsdns-55.co.ukns-360.awsdns-45.comns-750.awsdns-29.net
awsdns-12.org + awsdns-55.co.uk + moreanswers its DNS
MX
mxa-00197101.gslb.pphosted.commxb-00197101.gslb.pphosted.com
Proofpointreceives its email
TLS
www.readyclassroommathematics.com
GoDaddy.comissued its certificate

DNS Records

A 1

  • 20.168.238.159

MX 2

  • 10mxa-00197101.gslb.pphosted.com
  • 10mxb-00197101.gslb.pphosted.com

TXT 2

  • v=spf1 a mx ip4:173.203.141.71 include:spf.protection.outlook.com include:amazonses.com include:spf-00197101.pphosted.com ~all
  • v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

NS 4

  • ns-1125.awsdns-12.org
  • ns-1977.awsdns-55.co.uk
  • ns-360.awsdns-45.com
  • ns-750.awsdns-29.net

SOA 1

  • ns-360.awsdns-45.com awsdns-hostmaster.amazon.com

TLS Certificates (3)

Common NameIssuerExpires
www.readyclassroommathematics.com C=US, O=GoDaddy.com, CN=GoDaddy TLS Intermediate CA DV - R1v1 Wed, 06 Jan 2027 16:02:51 +0000
GoDaddy TLS Intermediate CA DV - R1v1 C=US, O=GoDaddy.com, CN=GoDaddy TLS Root CA - R1 Fri, 24 Aug 2040 11:59:59 +0000
GoDaddy TLS Root CA - R1 C=US, ST=Arizona, L=Scottsdale, O=GoDaddy.com, Inc., CN=Go Daddy Root Certificate Authority - G2 Thu, 31 Dec 2037 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 i-ready.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID
566ff491-ab11-4c3c-a38c-6714e70695a1
Output Hash
14ab60024d043dc601068e3f144f7d48c8f15a2b8c9683e73423198c933b60c0
Signature
ed25519:f627417d9d10909826c53625512ae649f1f3c21461ec435ac14333e53f09f52e788f7fc2e1c7b3e41ba466f84e05482184f907b819a77fa9baecc6d25fa2e60a
Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent
(genesis)
Plane
fast
Verify this in your browser