casetext.com
Observed 2026-07-13T00:04:24.324649268+00:00 (16h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Secured byLet's Encrypt
Registered withMarkMonitor Inc.
Also usesFacebook/MetaGoogle Search Console
DNSSEC on · IPv6 · 79 subdomains · legal
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat casetext.com actually stands on - every host below is a signed observation
casetext.com
A / AAAA
172.66.43.64172.66.40.1922606:4700:3108::ac42:28c02606:4700:3108::ac42:2b40
Cloudflareserves the site
NS
daisy.ns.cloudflare.comisaac.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
aspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.com+1 more
Google Workspacereceives its email
TLS
casetext.com
Let's Encryptissued its certificate
DNS Records
A 2
172.66.43.64172.66.40.192
AAAA 2
2606:4700:3108::ac42:28c02606:4700:3108::ac42:2b40
MX 5
1aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com10aspmx2.googlemail.com10aspmx3.googlemail.com
TXT 7
v=spf1 include:_spf.casetext_com._d.easydmarc.pro ~allsegment-site-verification=zUE346udqg456t8llBB406tctXSFLWRYfacebook-domain-verification=uf1srw5avtpbnzlob5qcti0tckui6cmixpanel-domain-verify=baf50b77-5e2c-4cd5-9311-ee75f04b7809google-site-verification=4ieSmi15rFNMXXlnx0VX6czElySaigCFjQDlT2oKnFkatlassian-sending-domain-verification=6b640afa-2159-413b-a88f-af1f70f05a86v=DMARC1;p=reject;rua=mailto:4b238fdb15@rua.easydmarc.us,mailto:z1rxsfdn@ag.dmarcian.com;ruf=mailto:4b238fdb15@ruf.easydmarc.us,mailto:z1rxsfdn@fr.dmarcian.com;fo=1
NS 2
daisy.ns.cloudflare.comisaac.ns.cloudflare.com
SOA 1
daisy.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
casetext.com |
C=US, O=Let's Encrypt, CN=YE1 | Fri, 11 Sep 2026 08:00:07 +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 receiptEd25519 Receipt
- Receipt ID
86158312-166e-486e-bab8-3cf5b89362fd- Output Hash
91f0fe4d26893f7f60e75a585d4eba7f1240607e428eb0428717fed91935924a- Signature
ed25519:78a6bdd3bd8e13ee61f90bf8160772e7ca6a875e4f69eb53c3ef3962ec713874226d18df3fc2189758cfd9bd00fdde9ada6be4f0eee757cfa0ee0846a98e2a0f- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast