aqicn.org

Observed Jul 18, 2026, 13:49 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onAkamai Connected Cloud

Secured byLet's Encrypt

Also usesGoogle Search Console

IPv6 · tranco_40k

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

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

aqicn.org

A / AAAA

172.105.192.792400:8902::f03c:91ff:fed3:b05a

Akamai Connected Cloudserves the site

ns1.linode.comns4.linode.comns5.linode.comns2.linode.com+1 more

linode.comanswers its DNS

mail.aqicn.org

aqicn.orgreceives its email

TLS

aqicn.org

Let's Encryptissued its certificate

DNS Records

A 1

172.105.192.79

AAAA 1

2400:8902::f03c:91ff:fed3:b05a

MX 1

10mail.aqicn.org

TXT 3

google-site-verification=lcGdgWeIGmYIjy4wgGLUXlDNkKAZvWYDEK1XaI53Qzc
v=spf1 include:_spf.mailersend.net ip6:2400:8902::f03c:91ff:fef3:6497 ip4:139.162.120.196 include:_spf.smtp.mailtrap.live ~all
v=DMARC1; p=none; rua=mailto:dmark@aqicn.org;

NS 5

ns1.linode.com
ns4.linode.com
ns5.linode.com
ns2.linode.com
ns3.linode.com

SOA 1

ns1.linode.com support.aqicn.org

TLS Certificates (2)

Common Name	Issuer	Expires
`aqicn.org`	C=US, O=Let's Encrypt, CN=E7	Sat, 08 Aug 2026 05:59:26 +0000
`E7`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 23:59:59 +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 aqicn.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: a1c6471c-2861-4805-aecc-c0078f232f23
Output Hash: 1001f30e3873a2fe826341f1150de0a2a7decba0e633bfd29ce6bb0a7112f4b8
Signature: ed25519:9394983c3e4ad7f6c9be78b06471c16c8a44e1faed21a1d23c5a5a8716a96a24828f8691a346c940812a341ef87f426d317b8500071a319d509741f21864460a
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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