nii.ac.jp
Observed Jul 24, 2026, 03:07 UTC (5h 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.
Not responding
Email byGoogle Workspace
tranco_10k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat nii.ac.jp actually stands on - every host below is a signed observation
nii.ac.jp
NS
dns2.nii.ac.jpdns-x.sinet.ad.jpdns1.nii.ac.jp
ac.jp + ad.jpanswers its DNS
MX
ALT4.ASPMX.L.GOOGLE.COMALT1.ASPMX.L.GOOGLE.COMALT3.ASPMX.L.GOOGLE.COMALT2.ASPMX.L.GOOGLE.COM+1 more
Google Workspacereceives its email
DNS Records
MX 5
10ALT4.ASPMX.L.GOOGLE.COM5ALT1.ASPMX.L.GOOGLE.COM10ALT3.ASPMX.L.GOOGLE.COM5ALT2.ASPMX.L.GOOGLE.COM1ASPMX.L.GOOGLE.COM
TXT 1
v=spf1 ip4:136.187.0.0/16 ip4:157.1.0.0/16 include:_spf.google.com ~all
NS 3
dns2.nii.ac.jpdns-x.sinet.ad.jpdns1.nii.ac.jp
SOA 1
dns1.nii.ac.jp postmaster.nii.ac.jp
TLS Certificates (0)
None.
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_7bdec1d68c654fae- Output Hash
599c2c3b3c42e8fe869ac28ae858d6f7d10d83bace432cfbfc9799d17d26bce9- Signature
ed25519:b27fae5d9ce80345ea53611401d582236c69049a01a16106239c72f64e3e2acf5fa463885db7dac05a3d394cbb3a45924fda684884bd21b81833c60a98170c01- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast