atsut.com
Observed Jul 23, 2026, 12:39 UTC (2d 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
Also usesGoogle Search Console
tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat atsut.com actually stands on - every host below is a signed observation
atsut.com
A / AAAA
52.193.225.176
unattributedserves the site
NS
01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jp
dnsv.jpanswers its DNS
MX
mail.atsut.com
atsut.comreceives its email
TLS
atsut.com
Let's Encryptissued its certificate
DNS Records
A 1
52.193.225.176
MX 1
10mail.atsut.com
TXT 4
google-site-verification=YwnCs2alSbwGJqSsJL_CoQsncwZ9k8GbJBEiqqv0BtEgoogle-site-verification=m22Sj_m7S6C0dhLdCjIGHFU6Jnrb5U9T4HzH-AGJ4dcv=spf1 ip4:180.235.250.232 ip4:116.80.123.92 include:spf.repica.jp ~allv=DMARC1; p=none; rua=mailto:rua-system@pet-coo.com
NS 4
01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jp
SOA 1
01.dnsv.jp hostmaster.dnsv.jp
TLS Certificates (2)
| Common Name | Issuer | Expires |
|---|---|---|
atsut.com |
C=US, O=Let's Encrypt, CN=R13 | Mon, 10 Aug 2026 02:49:39 +0000 |
R13 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Fri, 12 Mar 2027 23:59:59 +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_f5859af1d8c53971- Output Hash
acb9c9d3d646ad7b9f4f2e4440ab26a84b72f0d62fac18571e018a7b3f014a41- Signature
ed25519:7bb2d7f79299a6b2076f2348a53f03c30dff90c93dcba453cc6018564dba36064866b4f9844125d121502257eb04d53f2ebbcc18e167f1884772244bcbebbb05- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast