dr-cos.info

Observed Jul 25, 2026, 18:45 UTC (7d 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.

Verify this receipt yourself + Watch this domain

Up right now

Secured byLet's Encrypt

1 subdomain · tranco

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat dr-cos.info actually stands on - every host below is a signed observation

dr-cos.info

A / AAAA

183.90.242.38

unattributedserves the site

ns4.xserver.jpns1.xserver.jpns2.xserver.jpns5.xserver.jp+1 more

xserver.jpanswers its DNS

dr-cos.info

dr-cos.inforeceives its email

TLS

www.dr-cos.info

Let's Encryptissued its certificate

DNS Records

A 1

183.90.242.38

MX 1

0dr-cos.info

TXT 1

v=spf1 +a:sv2137.xserver.jp +a:dr-cos.info +mx include:spf.sender.xserver.jp ~all

NS 5

ns4.xserver.jp
ns1.xserver.jp
ns2.xserver.jp
ns5.xserver.jp
ns3.xserver.jp

SOA 1

ns1.xserver.jp root.sv0.xserver.jp

TLS Certificates (3)

Common Name	Issuer	Expires
`www.dr-cos.info`	C=US, O=Let's Encrypt, CN=YR2	Tue, 13 Oct 2026 03:10:32 +0000
`YR2`	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)

www.dr-cos.info

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for dr-cos.info. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/dr-cos.info">
  <img src="https://domaindrift.io/badge/dr-cos.info.svg"
       width="300" height="64" alt="DomainDrift signed observations for dr-cos.info">
</a>

Ed25519 Receipt

Receipt ID: rcpt_dedd7ad19fbac83d
Output Hash: 30caf46689366de1788859bc3abd9f9406b332b52eb5936af685a4315f7a28d1
Signature: ed25519:de4ac4d4e9acd6cfca066904958b48b8e7d39aad4a04820e24eb5ac76a4a7564466e54ceb631471dded27b97363a8b168ed3ed0a55c80b1d68f7785a4075ad09
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/dr-cos.info