textbookx.com
Observed Jul 21, 2026, 17:32 UTC (2d 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
Runs onCloudflare
Email byMicrosoft 365
Secured byGoogle Trust Services
Also usesGoogle Search ConsoleHubSpot
IPv6 · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat textbookx.com actually stands on - every host below is a signed observation
textbookx.com
A / AAAA
104.18.38.169172.64.149.872606:4700:4407::6812:26a92a06:98c1:310c::ac40:9557
Cloudflareserves the site
NS
meera.ns.cloudflare.comnoah.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
textbookx-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
textbookx.com
Google Trust Servicesissued its certificate
DNS Records
A 2
104.18.38.169172.64.149.87
AAAA 2
2606:4700:4407::6812:26a92a06:98c1:310c::ac40:9557
MX 1
10textbookx-com.mail.protection.outlook.com
TXT 5
691fol3fmkjfin196mp6bktlfMS=ms81001874google-site-verification=YCDGl8LdDYW-ns2Q7ap7b1AMcskOpAyBzCZgo5HE74Uv=spf1 mx include:spf.protection.outlook.com include:amazonses.com include:_spf.google.com include:468831.spf06.hubspotemail.net ip4:216.24.225.221 a:batch01.akademos.com -allv=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r; rua=mailto:dmarc-report@akademos.com; ruf=mailto:dmarc-report@akademos.com
NS 2
meera.ns.cloudflare.comnoah.ns.cloudflare.com
SOA 1
meera.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
textbookx.com |
C=US, O=Google Trust Services, CN=WE1 | Sun, 06 Sep 2026 13:00:48 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +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
rcpt_9e82d639486f6154- Output Hash
3c537a7b7b4642efff5d69739b0d3eb374b9f940195636a0c58b29694f53697f- Signature
ed25519:dbb4f05dda0d0faadc1fedd2fe0f042dd95a31d8bd079ded08d440e08b2be482dbfc27b4d031f2d458d20073c1281a40b9dca6e0127377c6715be61f74096604- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast