columbian.com
Observed Jul 18, 2026, 12:27 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onCloudflare
Email byMicrosoft 365
Secured byGoogle Trust Services
Registered withCloudflare, Inc.
Also usesAtlassianGoogle Search Console
IPv6 · 1 subdomain · push_legacy
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat columbian.com actually stands on - every host below is a signed observation
columbian.com
A / AAAA
104.26.11.198172.67.73.27104.26.10.1982606:4700:20::681a:bc6+2 more
Cloudflareserves the site
NS
brady.ns.cloudflare.comhaley.ns.cloudflare.com
cloudflare.comanswers its DNS
MX
columbian-com.mail.protection.outlook.com
Microsoft 365receives its email
TLS
columbian.com
Google Trust Servicesissued its certificate
DNS Records
A 3
104.26.11.198172.67.73.27104.26.10.198
AAAA 3
2606:4700:20::681a:bc62606:4700:20::681a:ac62606:4700:20::ac43:491b
MX 1
0columbian-com.mail.protection.outlook.com
TXT 8
atlassian-domain-verification=X0B6tXfaaFgqZ4Vr4VdToeWLShHocpWXrYJfFSDaTGGafmhJMxUSbi2LjPUwVIFbbrevo-code:312a9ab50fca22d3d2e8c119e3346b6bdb36g9gc10pc82sqb6c2gtpedeglobalsign-domain-verification=526DC5C7D7FA355B4B8E517E18253988google-site-verification=ToprzJG24FwcwAOJ1J1LgMFDERh91QD-mM5xr9MbSdolavqj4p78hp407s4g9ar90dba6v=spf1 ip4:67.139.233.209/29 ip4:50.203.33.202/32 ip4:50.205.97.0/27 a:gw6.columbian.com include:spf.protection.outlook.com include:secondstreetmail.com include:spfa.mailendo.com include:one.zoho.com ~allv=DMARC1; p=quarantine; rua=mailto:col-spam@columbian.com
NS 2
brady.ns.cloudflare.comhaley.ns.cloudflare.com
SOA 1
brady.ns.cloudflare.com dns.cloudflare.com
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
columbian.com |
C=US, O=Google Trust Services, CN=WE1 | Thu, 24 Sep 2026 19:27:16 +0000 |
WE1 |
C=US, O=Google Trust Services LLC, CN=GTS Root R4 | Tue, 20 Feb 2029 14:00:00 +0000 |
GTS Root R4 |
C=BE, O=GlobalSign nv-sa, 2.5.4.11=Root CA, CN=GlobalSign Root CA | Fri, 28 Jan 2028 00:00:42 +0000 |
Subdomains (1)
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 receiptPut the receipt on your own site. A live badge showing what DomainDrift observes and signs for columbian.com. It updates itself. It attests a signed observation - not that the site is safe.
<a href="https://domaindrift.io/t/columbian.com">
<img src="https://domaindrift.io/badge/columbian.com.svg"
width="300" height="64" alt="DomainDrift signed observations for columbian.com">
</a>
Ed25519 Receipt
- Receipt ID
7b7b4d85-79fa-41e9-9376-e1c627599bbe- Output Hash
ae81c0274da8e7e73c51853f9c1c306ee4f9f2f07fb766d9950f8009f7f951a2- Signature
ed25519:b23486509cd73547249f1d3b2da45ec1041e6bc3b01839d07e0e594f32c00ee2bc8419b0eacb8a92d54f48bc3b2d4b983c5064139e53f273781847203fe8ca04- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast