readinga-z.com

Observed Aug 10, 2026, 21:42 UTC (8h 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.

Guarded by a firewall
Runs onCloudflare
Email byMimecast
Secured bySectigo
Also usesFacebook/MetaGoogle Search Console
2 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat readinga-z.com actually stands on - every host below is a signed observation
readinga-z.com
A / AAAA
66.248.224.6
Cloudflareserves the site
NS
ns1.cambiumlearning.comns2.cambiumlearning.com
cambiumlearning.comanswers its DNS
MX
us-smtp-inbound-1.mimecast.comus-smtp-inbound-2.mimecast.com
Mimecastreceives its email
TLS
readinga-z.com
Sectigo Limitedissued its certificate

DNS Records

A 1

  • 66.248.224.6

MX 2

  • 10us-smtp-inbound-1.mimecast.com
  • 10us-smtp-inbound-2.mimecast.com

TXT 4

  • MS=ms48149818
  • v=spf1 include:us._netblocks.mimecast.com ~all
  • facebook-domain-verification=ga850jh680s0l1373404we4cx3r8e7
  • google-site-verification=CoyJAC0cOjlXz97ysVq4l6zAm5ar7PgD0S7VZ-g13fs

NS 2

  • ns1.cambiumlearning.com
  • ns2.cambiumlearning.com

SOA 1

  • ns1.cambiumlearning.com hostmaster.cambiumlearning.com

CAA 1

  • issue "entrust.net"

DMARC_RECORDS 1

  • v=DMARC1; p=reject; rua=mailto:2e7f13de7e6b838@rep.dmarcanalyzer.com; ruf=mailto:2e7f13de7e6b838@for.dmarcanalyzer.com; fo=1;

TLS Certificates (4)

Common NameIssuerExpires
readinga-z.com C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication CA OV R36 Thu, 31 Dec 2026 23:59:59 +0000
Sectigo Public Server Authentication CA OV R36 C=GB, O=Sectigo Limited, CN=Sectigo Public Server Authentication Root R46 Fri, 21 Mar 2036 23:59:59 +0000
Sectigo Public Server Authentication Root R46 C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 23:59:59 +0000
USERTrust RSA Certification Authority C=US, ST=New Jersey, L=Jersey City, O=The USERTRUST Network, CN=USERTrust RSA Certification Authority Mon, 18 Jan 2038 23:59:59 +0000

Subdomains (2)

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; the only network request the check makes is for the published public keys.

Verify this receipt

Ed25519 Receipt

Receipt ID
rcpt_d78cf8618ef3332f
Output Hash
d1be19ffb05ef46d90e997ec6b903acf1b308182e266f4977cf62687eedfb1c5
Signature
ed25519:cda5d9ef7c486a295a70a56fe2b8b4ad5e461fc3d52d7eb6a030929b92b74b304bf5bfb84bb8698854415f60b697aead89fa561570f6da3c6678f123ccce8f05
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser
CONTINUOUS INTERNET TELEMETRY24H DRIFT33,139 material changesacross 27,991 domains · 24h to ~2h ago · -15,206 vs yesterdayROTATION50 domains moved DNS from koaladns.com to magpiedns.com, 50 moved backa rotation loop, not a migration · 24hNOW570 curated domains not reachablelast probe, steadySITE ERRORS34,429 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 115,548 sites429 rate-limit / 403 bot-block, a posture signal