psu.ru
Observed Jul 27, 2026, 21:58 UTC (4d 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
Signed observation on record.
Also usesGoogle Search Console
tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat psu.ru actually stands on - every host below is a signed observation
psu.ru
A / AAAA
212.192.64.44
unattributedserves the site
NS
ns.psu.runs8-cloud.nic.runs8-l2.nic.runs4-l2.nic.ru+1 more
psu.ru + nic.ruanswers its DNS
MX
postoffice.psu.ru
psu.rureceives its email
DNS Records
A 1
212.192.64.44
MX 1
20postoffice.psu.ru
TXT 6
v=spf1 +mx +a:postoffice.psu.ru ip4:212.192.70.134 ~allMS=195E920459A9A78123B39C835CC5E3B1E958F95Fmailru-verification: 00298e0ca3ca8a26google-site-verification=S62Fl_15Y7K07iwi5TiZ7vPg5uJruN_ME-hNFl-wDBc_globalsign-domain-verification=B4-6L0QjG-WmlFcMjl6qhuDa77xz088omI91fwjibvv=DMARC1;p=quarantine;aspf=s;pct=20;rua=mailto:postmaster@psu.ru;fo=0;
NS 5
ns.psu.runs8-cloud.nic.runs8-l2.nic.runs4-l2.nic.runs4-cloud.nic.ru
SOA 1
ns.psu.ru hostmaster.psu.ru
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_c92d74deab4c3a64- Output Hash
bca42cb2d158c24d8f70a63c294c73777f865ddfc86d1fb582904eab51bd349f- Signature
ed25519:42e1f0330da42845afdf01bfb8668534c9543070faed132e8c22b59354524deb42af379a3cc16157a4624916d01005f552e1522f6b68a32c2e5f0857cd98c60c- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast