userback.io

Observed 2026-07-13T10:55:59.402Z (15h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byGoogle Workspace

Also usesGoogle Search ConsoleHubSpot

11 subdomains · tranco_40k

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

INFRASTRUCTURE MAPwhat userback.io actually stands on - every host below is a signed observation

userback.io

A / AAAA

5.78.181.69

Cloudflareserves the site

ns-437.awsdns-54.comns-695.awsdns-22.netns-1184.awsdns-20.orgns-1729.awsdns-24.co.uk

awsdns-54.com + awsdns-22.net + moreanswers its DNS

alt1.aspmx.l.google.comalt3.aspmx.l.google.comaspmx.l.google.comalt4.aspmx.l.google.com+1 more

Google Workspacereceives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time122 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 1

5.78.181.69

MX 5

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

TXT 6

google-site-verification=XjTf7Hubj56AVeYDQ2gcQU_8Em47izcO2zKWUGbTeZg
ca3-9f7830b2aa064d5e963ef5e213d95cce
google-site-verification=ASgRLxRYYRkuDaYwcJp6F1usR8N9QHXl9hRwbSFfRak
v=spf1 a mx include:_spf.google.com include:spf.v6send.net include:22107309.spf08.hubspotemail.net include:_spf.elasticemail.com ?all
v=DMARC1; p=none; rua=mailto:lee@userback.io
v=DKIM1; (detected)

NS 4

ns-437.awsdns-54.com
ns-695.awsdns-22.net
ns-1184.awsdns-20.org
ns-1729.awsdns-24.co.uk

SOA 1

ns-695.awsdns-22.net awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (11)

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 userback.io. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: aa47e4d4-24af-4373-a6e6-aef6369b2535
Output Hash: 1b4ec3c732b3688406f6f3827ce70b97e07438bbfcf498b4edb5175b69643e21
Signature: ed25519:f80a18428197502961300d29a4f7f06afc7a399b01e5b19c9f1281666941124a90a9cf4b456707c6f0ce8539c6b780ca6d3c7a07839c815ea1c96aa43b89f102
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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