opencities.com

Observed 2026-07-17T15:21:54.956874605+00:00 (20h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Email byMicrosoft 365

Secured byLet's Encrypt

Also usesAtlassianHubSpot

tranco_100k

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

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

opencities.com

A / AAAA

52.255.47.222

unattributedserves the site

ns1-07.azure-dns.comns2-07.azure-dns.netns3-07.azure-dns.orgns4-07.azure-dns.info

azure-dns.com + azure-dns.net + moreanswers its DNS

granicus-com.mail.protection.outlook.com

Microsoft 365receives its email

TLS

opencities.com

Let's Encryptissued its certificate

DNS Records

A 1

52.255.47.222

MX 1

0granicus-com.mail.protection.outlook.com

TXT 10

0ed1fe018a7894ed4c65a045b7b0618346f27d6076
10252eb0-fe9e-430c-82e7-8b1b80609100
MS=ms21651795
MS=ms21746187
_globalsign-domain-verification=6pKFqTGS2K36vSVP_pPbif3SaBB_yACcMVW4FePTcX
atlassian-domain-verification=fSgpx1X2ZsltuO5k8EoJuIXlI8LUNR4izP88mJUHIGeqI0d8a0tnBSKvOtOaZu4c
globalsign-domain-verification=7aef1aa8045119e9c06f59a886dec5a6
v=spf1 mx ip4:54.240.62.215 ip4:54.240.62.216 ip4:168.245.5.8 include:spf.protection.outlook.com include:spf.exclaimer.net include:servers.mcsv.net include:7678141.spf10.hubspotemail.net -all
globalsign-domain-verification=298D7CC220092846B9B7A43792E956E8
globalsign-domain-verification=FE3BE9631704098F5C2C33E9D316C6D4

NS 4

ns1-07.azure-dns.com
ns2-07.azure-dns.net
ns3-07.azure-dns.org
ns4-07.azure-dns.info

SOA 1

ns1-07.azure-dns.com support.opencities.com

TLS Certificates (2)

Common Name	Issuer	Expires
`opencities.com`	C=US, O=Let's Encrypt, CN=R13	Sun, 09 Aug 2026 05:17:08 +0000
`R13`	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 opencities.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: f558b702-8837-41aa-8f29-db19323c40fe
Output Hash: 686ca8d57728905b21241e6b16d917d21e4b8731ac7f46bd86b7a98e5cc0f299
Signature: ed25519:60d52f14574490971033b0351eb6c534a92a5178d2a27b83cead2654cf76c5a539b38609b7414319a1fc8714578f08c8ad566bebea1ead91f915c1155bf78705
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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