libcon.co.jp
Observed Aug 11, 2026, 04:08 UTC (14h 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
Email byGoogle Workspace
Secured byDigiCert
Also usesNotion
1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat libcon.co.jp actually stands on - every host below is a signed observation
libcon.co.jp
A / AAAA
133.18.222.17
unattributedserves the site
NS
01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jp
dnsv.jpanswers its DNS
MX
alt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.com+1 more
Google Workspacereceives its email
TLS
libcon.co.jp
DigiCert Incissued its certificate
DNS Records
A 1
133.18.222.17
MX 5
5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com1aspmx.l.google.com10aspmx2.googlemail.com10aspmx3.googlemail.com
TXT 4
notion-domain-verification=4LlHaHjip0kANItSRqno0agnAQSBtEiZsNS65Q43wCYsending_domain1039113=7dd7c1d6e485b9c36f70a6806ed77facf46912384914cde2264fa983b7ac1d96sending_domain1110823=18402e605794f2c752f70fe8ea87ebd32ceaa6fe6ae3cdfa9a22eb5bbc327c54v=spf1 +ip4:133.18.222.17 include:spf.satorimail.net include:_spf.google.com include:spf.mta.hdems.com include:spf.humanage.co.jp -all
NS 4
01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jp
SOA 1
01.dnsv.jp hostmaster.dnsv.jp
DMARC_RECORDS 1
v=DMARC1; p=none; rua=mailto:dmarc-receive@libcon.co.jp; ruf=mailto:dmarc-receive@libcon.co.jp
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
libcon.co.jp |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=GeoTrust TLS RSA CA G1 | Wed, 02 Dec 2026 23:59:59 +0000 |
GeoTrust TLS RSA CA G1 |
C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2 | Tue, 02 Nov 2027 12:23:37 +0000 |
Subdomains (1)
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 receiptEd25519 Receipt
- Receipt ID
rcpt_942890741f9bc141- Output Hash
3a03c106167279316e76ee427c9ef5867d54eff877a0c238d3aae8b4349f13c2- Signature
ed25519:0d442e3e9f3181e51aad79c226e45fc5163a18ce7314bd6ace6041176411fc3c2b3fc389f8fd17c31fc81560018241ed6c410e3ba62777573e2cc8d93cc33809- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast