ntop.org

Observed Jul 21, 2026, 16:52 UTC (3h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Email byGoogle (SPF sender)

Secured byLet's Encrypt

Also usesGoogle Search Console

IPv6 · 1 subdomain · tranco_100k

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

INFRASTRUCTURE MAPwhat ntop.org actually stands on - every host below is a signed observation

ntop.org

A / AAAA

116.203.142.1272a01:4f8:1c1a:bd58::1

2a01serves the site

dnshzmail.ntop.orgdnshzwww.ntop.orgdns.ntop.org

ntop.organswers its DNS

mail.ntop.org

Google (SPF sender)receives its email

TLS

ntop.org

Let's Encryptissued its certificate

DNS Records

A 1

116.203.142.127

AAAA 1

2a01:4f8:1c1a:bd58::1

MX 1

10mail.ntop.org

TXT 4

google-site-verification=gAEW3IUSSCRMrLIpSF2cMIL7QCIwyFKWLoLcnKvC2p4
v=spf1 mx a a:mail.ntop.org a:smtp.ntop.org a:dns.ntop.org a:shop.ntop.org a:www.ntop.org a:deepflow.ntop.org include:spf.protection.outlook.com include:_spf.google.com -all
MS=ms49224608
v=DMARC1; p=quarantine; pct=100; fo=1; rua=mailto:dmarc@ntop.org; ruf=mailto:dmarc@ntop.org

NS 3

dnshzmail.ntop.org
dnshzwww.ntop.org
dns.ntop.org

SOA 1

dnshzmail.ntop.org postmaster.ntop.org

CAA 1

issue "letsencrypt.org"

TLS Certificates (4)

Common Name	Issuer	Expires
`ntop.org`	C=US, O=Let's Encrypt, CN=YE1	Fri, 02 Oct 2026 00:20:15 +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.ntop.org

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 ntop.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_8cacfa14f84ae359
Output Hash: 47cc0e06cec1b8e70ab75db1f9f476c00f6d83d82efa95ca3f1965a911b35d65
Signature: ed25519:cd82bd644adb6e1b4a213385e0401426fb75f6fe392f95c60bfc649ad9cc395e073c290b348f3830e45e9cde9040db46b5f5a8e4cd3e68730c9957e378760607
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/ntop.org