city-data.com
Observed 2026-07-14T10:17:56.755Z (19h ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byGoogle (SPF sender)
Registered withGoDaddy.com, LLC
Also usesGoogle Search Console
2 subdomains · tranco_20k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat city-data.com actually stands on - every host below is a signed observation
city-data.com
A / AAAA
51.81.5.187
Cloudflareserves the site
NS
ns12.dnsmadeeasy.comns11.dnsmadeeasy.comns14.dnsmadeeasy.comns15.dnsmadeeasy.com+2 more
dnsmadeeasy.comanswers its DNS
MX
mail.city-data.com
Google (SPF sender)receives its email
HTTPS probe
redirect
Redirecting (3xx) 301 → https://www.city-data.com/
HTTP status301
Servercloudflare
TLS protocolHTTP/3
TLS issuernot observed
Behind Cloudflareyes
Response time839 ms
DNS resolutionNOERROR
Redirect chain
https://www.city-data.com/
MCP
This domain advertises an AI service endpoint at
_mcp._tcp.
v=spf1 mx a ip4:23.227.169.170 include:_spf.google.com -allEvery field above is part of the same signed observation as the records below. Blank means not observed, never "none".
DNS Records
A 1
51.81.5.187
MX 1
10mail.city-data.com
TXT 5
v=spf1 ip4:23.227.169.170 mx include:_spf.google.com -allgoogle-site-verification=5q5gU1oLdlTcpuzSo_aNYrf8VTwEdaw6MOhk_eR3SP8v=DMARC1; p=none; pct=100; rua=mailto:advameg+dmarc@gmail.com; ruf=mailto:advameg+dmarc@gmail.com; fo=1:d:sv=DKIM1; (detected)v=spf1 mx a ip4:23.227.169.170 include:_spf.google.com -all
NS 6
ns12.dnsmadeeasy.comns11.dnsmadeeasy.comns14.dnsmadeeasy.comns15.dnsmadeeasy.comns10.dnsmadeeasy.comns13.dnsmadeeasy.com
SOA 1
ns10.dnsmadeeasy.com dns.dnsmadeeasy.com
CAA 1
issue comodoca.com
TLS Certificates (0)
None.
Subdomains (2)
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 receiptEd25519 Receipt
- Receipt ID
73324ac1-6327-44a8-bf3b-ad643efcd444- Output Hash
3e65de9c67b6c2980738e2e566db25e478159b071edbb203ba50c45eee335685- Signature
ed25519:0922151c0e2b8e3efc42d2e223a9bed136fc850c2495dfe3e60f65348e254ff9f118649e226fb29fd069bbe98e49caebbc1d3ff3ac6a31e4beac8ad6ff748c02- Public Key
ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b- Parent
(genesis)- Plane
- fast