isa.co

Observed 2026-07-15T10:14:28.023Z (2d ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMicrosoft 365

Also usesGoogle Search ConsoleDocuSign

2 subdomains · push_legacy

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

INFRASTRUCTURE MAPwhat isa.co actually stands on - every host below is a signed observation

isa.co

A / AAAA

13.90.45.178

Cloudflareserves the site

nameserver03.mi.com.conameserver01.mi.com.conameserver04.mi.com.conameserver02.mi.com.co

com.coanswers its DNS

isacorreosmtp.isa.com.coisa-co.mail.protection.outlook.com

Microsoft 365receives its email

HTTPS probe

ok Responding normally (2xx) 200 OK

HTTP status200

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time4746 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

13.90.45.178

MX 2

15isacorreosmtp.isa.com.co
8isa-co.mail.protection.outlook.com

TXT 15

apple-domain-verification=lYsSfDAKc94rm2ev
m15q0oo1guda4i7f8k67cnl07q
google-site-verification=csq-wcsR-othSMx-N8JguXVsMELSyHibRz4gMnFvQuc
c7hf3rdkndn4c4viat0tsluio8
lk8p92nsg0albcugp0stdkeqqq
v=spf1 a mx ip4:200.24.0.214 ip4:200.24.1.4 ip4:200.24.4.4 ip4:200.24.1.3 ip4:200.24.4.3 ip4:200.24.0.43 ip4:200.24.0.34 ip4:190.90.17.62 include:spf.protection.outlook.com -all
5538bbtr3ktjst2agbc1o4t41
lc253rhg1rttfjo4jv9hmcgb0
vtkpdnibmn6efcka7fmuqcds8l
oehcg5eao8ncreie7ga3r97520

NS 4

nameserver03.mi.com.co
nameserver01.mi.com.co
nameserver04.mi.com.co
nameserver02.mi.com.co

SOA 1

nameserver01.mi.com.co hostmaster.isa.co

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for isa.co. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: b9742ca0-9c21-4d6e-8799-c6a8f0562c3c
Output Hash: e446d7e6e9f86e43f923bce7cc967709de5627e3fa9a0a18050be93badf7cf9e
Signature: ed25519:81e5b014258390c22ea5918bc8b1fa0e673dfa6b0b9800652ef432903174abc475c25556659c1fde1df67c50535de0f7391f0d3c7f7f982f07522fa8238e2d06
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

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