arc.it

Observed Jul 23, 2026, 23:53 UTC (1d 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

Also usesGoogle Search Console

1 subdomain · tranco

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

INFRASTRUCTURE MAPwhat arc.it actually stands on - every host below is a signed observation

arc.it

A / AAAA

185.120.80.11

unattributedserves the site

dns.arc.itdns2.arc.it

arc.itanswers its DNS

mail.arc.it

arc.itreceives its email

TLS

arc.it

Let's Encryptissued its certificate

DNS Records

A 1

185.120.80.11

MX 1

10mail.arc.it

TXT 4

v=spf1 ip4:185.120.80.4 ip4:185.120.80.5 mx a:mail.arc.it -all
google-site-verification=kJXosap0q3Y2lJcKD6NgqCFVbC6lPFn4f91ch6gzb50
v=DMARC1; p=reject; rua=mailto:dmarc@arc.it; ruf=mailto:dmarc@arc.it; adkim=s; aspf=s; fo=1; pct=100
v=BIMI1; l=https://arc.it/Archimede-Sulmona.svg

NS 2

dns.arc.it
dns2.arc.it

SOA 1

dns.arc.it sdesan.arc.it

TLS Certificates (4)

Common Name	Issuer	Expires
`arc.it`	C=US, O=Let's Encrypt, CN=YE1	Fri, 02 Oct 2026 06:17:16 +0000
`YE1`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (1)

www.arc.it

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 arc.it. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_b4748cccacc6adec
Output Hash: 6f7687b8af30959a97270bf6b3c88cfc262fa0eb23b752860bc81509884fb45e
Signature: ed25519:fdf9f69d4d43579e9a39aba05afa22f5ae35c653d099c86007994cfee7c3ff5d8e9004b7bc5b1e0c143d3a4d32b9e1cdbb8122d1c752360cbef36cff6f55100f
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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