piriform.com

Observed 2026-07-13T04:50:26.277Z (22h ago). Every field below was attested with an Ed25519 signature at scan time.

Not responding

Runs onCloudflare

Email byMicrosoft 365

Also usesAtlassian

3 subdomains · tranco_20k

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

INFRASTRUCTURE MAPwhat piriform.com actually stands on - every host below is a signed observation

piriform.com

A / AAAA

151.101.0.64151.101.192.64151.101.64.64151.101.128.64

Cloudflareserves the site

ns-178.awsdns-22.comns-1582.awsdns-05.co.ukns-1467.awsdns-55.orgns-1000.awsdns-61.net

awsdns-22.com + awsdns-05.co.uk + moreanswers its DNS

piriform-com.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

server_error Server error (5xx) 526 Server Error

HTTP status526

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time43 ms

DNS resolutionNOERROR

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 4

151.101.0.64
151.101.192.64
151.101.64.64
151.101.128.64

MX 1

0piriform-com.mail.protection.outlook.com

TXT 6

v=spf1 include:spf.protection.outlook.com include:sendgrid.net ~all
atlassian-domain-verification=gF08ybBOyoHhwVVttGhWqX49V7tyIpaLQIwYYE0p90JZMoQCYeBGb0XWODxAfgU/
_globalsign-domain-verification=O81xyb7YxpdGeHWkniit_VBT4vTXz9__NFrNMoTwFg
MS=ms42961515
v=DMARC1; p=quarantine; sp=none; rua=mailto:c3_admin+rua_piriform@piriform.com; ruf=mailto:c3_admin+ruf_piriform@piriform.com; rf=afrf; pct=100; ri=86400
v=DKIM1; (detected)

NS 4

ns-178.awsdns-22.com
ns-1582.awsdns-05.co.uk
ns-1467.awsdns-55.org
ns-1000.awsdns-61.net

SOA 1

ns-1467.awsdns-55.org awsdns-hostmaster.amazon.com

CAA 5

issue amazon.com
issue sectigo.com
issue digicert.com
issue pki.goog
issue letsencrypt.org

TLS Certificates (0)

None.

Subdomains (3)

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 piriform.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: 1433616e-d1aa-4c4b-a81c-9237e8df3172
Output Hash: 5170ae58799ab681f349189151930f7fb7b1989187bcce77eeadb27515aec80e
Signature: ed25519:198cbf042d7d84bae6fc1afd7ffc9cbbf8c28ea967766b2f7b5b3c0eefedb45b61fa68dc27195245019ff63487c55479e3c1e2da40a62c29342f6b7ee6fe6104
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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