yis.ac.jp
Observed Aug 2, 2026, 18:58 UTC (10h 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 byGoogle Workspace
Secured byGoogle Trust Services
Also usesGoogle Search Console1PasswordStripe
majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat yis.ac.jp actually stands on - every host below is a signed observation
yis.ac.jp
A / AAAA
162.159.137.54162.159.136.54
Cloudflareserves the site
NS
ns12.dnsmadeeasy.comns14.dnsmadeeasy.comns10.dnsmadeeasy.comns15.dnsmadeeasy.com+2 more
dnsmadeeasy.comanswers its DNS
MX
aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comalt1.aspmx.l.google.com+1 more
Google Workspacereceives its email
TLS
yis.ac.jp
Google Trust Servicesissued its certificate
DNS Records
A 2
162.159.137.54162.159.136.54
MX 5
1aspmx.l.google.com10alt3.aspmx.l.google.com10alt4.aspmx.l.google.com5alt1.aspmx.l.google.com5alt2.aspmx.l.google.com
TXT 12
workplace-domain-verification=0jLGXsjejGoCbI33aElfzM3ozSlc83google-site-verification=NLpBmvTr-im1-oS0b3bw-W6SSNHWY6Hk6sGey6tIGzwn5nkejrl5ocafs6icjfkco19skautodesk-domain-verification=_uD781AHYnXPoXzYDwZRMS=ms87431648v=spf1 include:_spf.google.com include:_spf.odoo.com ~all1password-site-verification=T536VBP37JGHHAUOXSFCPQP3XQlinkedin-site-verification=5538b8db-16e1-4981-8a50-4a5d5d4daa6estripe-verification=5b630cd4ff6b6029b34318736928e25cfbdd460a211517decd0204a164e4d70cgoogle-site-verification=ghOTgJ56K02aZzw2vq_UKbLK2yFLtcsBXqjPnrqLolo
NS 6
ns12.dnsmadeeasy.comns14.dnsmadeeasy.comns10.dnsmadeeasy.comns15.dnsmadeeasy.comns11.dnsmadeeasy.comns13.dnsmadeeasy.com
SOA 1
ns20.digicertdns.com dns.digicertdns.com
DMARC_RECORDS 1
v=DMARC1; p=quarantine; pct=100; sp=reject; adkim=s; aspf=s; rua=mailto:postmaster@yis.ac.jp; ruf=mailto:postmaster@yis.ac.jp; fo=1; ri=86400
MTA_STS_RECORDS 1
v=STSv1;id=1730428192268;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
yis.ac.jp |
C=US, O=Google Trust Services, CN=WE1 | Sat, 12 Sep 2026 14:32:03 +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_c7fb1c0a6bf2be50- Output Hash
128ea98b5b6f911d270f378f8808fb23bae9766d6ab6f348ff4d4cd67981622b- Signature
ed25519:151d9dac85e6b61e68c76c021d683a4d404575a3db021e45bc4ac690e639193aed476a08924fc417e3d83da83fba1ca946a170d29bd07d4f812791265d50680c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast