master-piece.co.jp
Observed Aug 16, 2026, 14:09 UTC (6h 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
Secured byLet's Encrypt
Let's Encrypt1 subdomain · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat master-piece.co.jp actually stands on - every host below is a signed observation
master-piece.co.jp
A / AAAA
183.90.231.62
unattributedserves the site
NS
ns2.xbiz.ne.jpns3.xbiz.ne.jpns1.xbiz.ne.jp
ne.jpanswers its DNS
MX
master-piece.co.jp
master-piece.co.jpreceives its email
TLS
www.master-piece.co.jp
Let's Encryptissued its certificate
DNS Records
A 1
183.90.231.62
MX 1
0master-piece.co.jp
TXT 1
v=spf1 +a:sv***.xserver.jp +a:master-piece.co.jp +mx include:spf.sender.xserver.jp include:spf.betrend.com -all
NS 3
ns2.xbiz.ne.jpns3.xbiz.ne.jpns1.xbiz.ne.jp
SOA 1
ns1.xbiz.ne.jp root.xbiz.ne.jp
DMARC_RECORDS 1
v=DMARC1; p=reject; rua=mailto:mspconlineservice_01@xb184468.xbiz.jp;
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
www.master-piece.co.jp |
C=US, O=Let's Encrypt, CN=YR1 | Fri, 23 Oct 2026 04:29:37 +0000 |
YR1 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +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_04eb7e17098e9411- Output Hash
bf59bab08727a10a2d898400821f10912dfffc65eec026f0efae4df3f353fcf7- Signature
ed25519:ea482f51a916ae54e3f7052de41dc8e828b6280aac55b37df1f646803cda77cb98eb2cc597648949388006ea5e7e36d095a16c698aaaa2f191fa1d1cb4e8c605- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast