drcalc.net

Observed Jul 24, 2026, 19:54 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

Not responding

Signed observation on record.

tranco_100k

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

INFRASTRUCTURE MAPwhat drcalc.net actually stands on - every host below is a signed observation

drcalc.net

A / AAAA

179.188.2.56

unattributedserves the site

ns1.locaweb.com.brns3.locaweb.com.brns2.locaweb.com.br

locaweb.com.branswers its DNS

mx.a.locaweb.com.brmx.jk.locaweb.com.brmx.b.locaweb.com.brmx.core.locaweb.com.br

locaweb.com.brreceives its email

DNS Records

A 1

179.188.2.56

MX 4

20mx.a.locaweb.com.br
20mx.jk.locaweb.com.br
20mx.b.locaweb.com.br
10mx.core.locaweb.com.br

TXT 2

v=spf1 include:_spf.locaweb.com.br ?all
v=DMARC1; p=none;

NS 3

ns1.locaweb.com.br
ns3.locaweb.com.br
ns2.locaweb.com.br

SOA 1

ns1.locaweb.com.br hostmaster.locaweb.com.br

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 receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_b2220dea92073941
Output Hash: b8d60bc3a60f83713f63746536a5d14c0f62be725281938ebc292992bb0a8080
Signature: ed25519:4c22e540a790f62e1dd9b6ab52ed1765d7020b7526e18768553ae4512bd216e4f1400c8a37ce98910a11cbe3eb4bebb957778282eaa260e910b22ec63856e101
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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