bookwalker.jp
Observed 2026-07-12T10:44:40.795Z (1d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle Workspace
Also usesGoogle Search Console
9 subdomains · tranco_40k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat bookwalker.jp actually stands on - every host below is a signed observation
bookwalker.jp
A / AAAA
18.179.168.11813.193.141.204
Cloudflareserves the site
NS
ns-40.awsdns-05.comns-937.awsdns-53.netns-1830.awsdns-36.co.ukns-1154.awsdns-16.org
awsdns-05.com + awsdns-53.net + moreanswers its DNS
MX
smtp.google.com
Google Workspacereceives its email
HTTPS probe
ok
Responding normally (2xx) 200 OK
HTTP status200
Servercloudflare
TLS protocolHTTP/2
TLS issuernot observed
Behind Cloudflareyes
Response time717 ms
DNS resolutionNOERROR
Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 2
18.179.168.11813.193.141.204
MX 1
1smtp.google.com
TXT 4
v=spf1 +ip4:176.34.29.234 +ip4:54.248.116.224 +ip4:175.184.34.38 +ip4:176.34.24.211 +ip4:54.248.116.201 +ip4:54.65.207.22 +ip4:52.199.239.111 +ip4:175.184.39.227 +ip4:54.178.90.242 +ip4:52.193.192.221 include:spf-bma.mpme.jp include:amazonses.com ~allgoogle-site-verification=3wPRIxfw_zqaKauiQpa9n_YoZiqXMS767Fq0uReGlwAgoogle-site-verification=Pl8WplWscDnG0i3R65oT4j7yAZAN8Z9h6CQSTOjPMpgv=DMARC1; p=quarantine; rua=mailto:dev@bookwalker.co.jp,mailto:rua-mpse@mpub.ne.jp; pct=30; sp=quarantine; adkim=r; aspf=r
NS 4
ns-40.awsdns-05.comns-937.awsdns-53.netns-1830.awsdns-36.co.ukns-1154.awsdns-16.org
SOA 1
ns-1830.awsdns-36.co.uk awsdns-hostmaster.amazon.com
TLS Certificates (0)
None.
Subdomains (9)
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
99de5000-3818-4750-bad4-6730ce0367a3- Output Hash
95a6a49dc1c4de0bf032948d6c7b4fe5699d1e6a3904ee639668dcbcfb515bcc- Signature
ed25519:1717d4661df53cc26b99885c99d2d96f6eb78a480c54c4bdf8d586ef667743d143cf5f733b7ae81c0456f4c2f1c4e092e53eac55bffe7e505d48ec234fdc1509- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast