purpleair.com

Observed Jul 21, 2026, 19:39 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

Guarded by a firewall

Runs onCloudflare

Email byGoogle Workspace

Secured byGoogle Trust Services

Also usesGoogle Search ConsoleFacebook/Meta

IPv6 · push_legacy

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

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

purpleair.com

A / AAAA

216.239.36.21216.239.34.21216.239.32.21216.239.38.21+4 more

Cloudflareserves the site

dns2.zoneedit.comdns3.zoneedit.comdns1.zoneedit.com

zoneedit.comanswers its DNS

alt4.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comalt1.aspmx.l.google.com+1 more

Google Workspacereceives its email

TLS

purpleair.com

Google Trust Servicesissued its certificate

DNS Records

A 4

216.239.36.21
216.239.34.21
216.239.32.21
216.239.38.21

AAAA 4

2001:4860:4802:36::15
2001:4860:4802:32::15
2001:4860:4802:34::15
2001:4860:4802:38::15

MX 5

10alt4.aspmx.l.google.com
5alt2.aspmx.l.google.com
1aspmx.l.google.com
5alt1.aspmx.l.google.com
10alt3.aspmx.l.google.com

TXT 7

apple-domain-verification=TnvF2alaBKqoJEpt
google-site-verification=hPuACnjKxzuRsIVQ51AJqR43oCNhn8GsdGdFv6m6mxg
v=spf1 mx include:amazonses.com include:_spf.google.com include:_spf.atlassian.net include:em4241.purpleair.com include:shops.shopify.com -all
amazon-business-verification=2b546cd29ce4ad9537075f0066e707c1b7aa23fffab46ef6194afd473761040d
facebook-domain-verification=a6irgxh8iebxm20j9vkgurt991ytg7
klaviyo-site-verification=Tb2PXB
v=DMARC1; p=reject; rua=mailto:dmarc@0nnsf4qa.uriports.com; ruf=mailto:dmarc@0nnsf4qa.uriports.com; fo=1:d:s

NS 3

dns2.zoneedit.com
dns3.zoneedit.com
dns1.zoneedit.com

SOA 1

dns0.zoneedit.com zone.zoneedit.com

TLS Certificates (3)

Common Name	Issuer	Expires
`purpleair.com`	C=US, O=Google Trust Services, CN=WR3	Tue, 06 Oct 2026 18:51:41 +0000
`WR3`	C=US, O=Google Trust Services LLC, CN=GTS Root R1	Tue, 20 Feb 2029 14:00:00 +0000
`GTS Root R1`	C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA	Fri, 28 Jan 2028 00:00:42 +0000

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

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

Ed25519 Receipt

Receipt ID: rcpt_430db0d6e5242797
Output Hash: f7bf2fd9f168674cc641b66d6655c8a362e3720eab4ed3301ce7cd5b1a9ce858
Signature: ed25519:2f192b28a548a69c1f254fd2d6fac7582b5fb91a3e834046a81408e193163ce0bbdefc254dd7f9c1f3bbb748cabec706f443c33c27a01aaa330bae5b7b71a70a
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

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