kobobooks.com
Observed Jul 18, 2026, 13:36 UTC (21h ago). Every field below was attested with an Ed25519 signature at scan time.
Guarded by a firewall
Runs onCloudflare
Email byMicrosoft 365
Secured byGoogle Trust Services
Also usesFacebook/MetaGoogle Search Console
tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat kobobooks.com actually stands on - every host below is a signed observation
kobobooks.com
A / AAAA
104.18.37.210172.64.150.46
Cloudflareserves the site
NS
ns-cloud-a1.googledomains.comns-cloud-a3.googledomains.comns-cloud-a2.googledomains.comns-cloud-a4.googledomains.com
googledomains.comanswers its DNS
MX
kobobooks-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
kobobooks.com
Google Trust Servicesissued its certificate
DNS Records
A 2
104.18.37.210172.64.150.46
MX 1
5kobobooks-com.mail.protection.outlook.com
TXT 7
ca3-aa9197a52dd645ef8db5fb461a4f9abfv=spf1 ip4:204.87.189.254 ip4:204.87.189.202 ip4:204.87.189.5 ip4:84.39.136.5 ip4:84.39.136.254 include:spf.protection.outlook.com ~allfacebook-domain-verification=1680b948w5hc5cmh17estj39hss1vngoogle-site-verification=u9liKGD6HHZffOorPA-X--Ig9RYPf1n8NjXn5BVIWOkgoogle-site-verification=ch6XVSaFhMCbQCeHAcxMmg5-PthkEqTYswmRP3ExUcEMS=ms74001948v=DMARC1; p=reject; rua=mailto:kobo-DMARC_Report@mail.rakuten.com,mailto:dmarc-report-a@rx.rakuten.co.jp
NS 4
ns-cloud-a1.googledomains.comns-cloud-a3.googledomains.comns-cloud-a2.googledomains.comns-cloud-a4.googledomains.com
SOA 1
ns-cloud-a1.googledomains.com postmaster.kobobooks.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
kobobooks.com |
C=US, O=Google Trust Services, CN=WE1 | Sat, 26 Sep 2026 22:00:31 +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
a56ef4f6-5e7f-4456-8d02-bd420c42d379- Output Hash
ee6f152c461700d2962f820cb9493f895855743430f79fccc60ea00bea09c3c5- Signature
ed25519:b4578ef651fc6c32bea68bd6228166c07811504c6ec161bcd1ef0d1d8bd2ac1e00bab350b6a1c95240661a883dd8318b16cb8c0d1f78dd754730948d3a2e3e05- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast