nejm.org

Observed 2026-07-12T21:07:56.592Z (9h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMimecast

Also usesDocuSignAtlassian

10 subdomains · tranco_5k

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

INFRASTRUCTURE MAPwhat nejm.org actually stands on - every host below is a signed observation

nejm.org

A / AAAA

3.217.112.7798.87.228.18844.217.159.76

Cloudflareserves the site

ns-1559.awsdns-02.co.ukns-928.awsdns-52.netns-1284.awsdns-32.orgns-165.awsdns-20.com

awsdns-02.co.uk + awsdns-52.net + moreanswers its DNS

us-smtp-inbound-1.mimecast.comus-smtp-inbound-2.mimecast.com

Mimecastreceives its email

HTTPS probe

redirect Redirecting (3xx) 301 → https://www.nejm.org:443/

HTTP status301

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time849 ms

DNS resolutionNOERROR

Redirect chain

https://www.nejm.org:443/

Every field above is part of the same signed observation as the records below. Blank means not observed, never "none".

DNS Records

A 3

3.217.112.77
98.87.228.188
44.217.159.76

MX 2

10us-smtp-inbound-1.mimecast.com
10us-smtp-inbound-2.mimecast.com

TXT 15

docusign=52095567-2918-44fb-ba89-2af8aa120c2b
tz7y9ps639fshlhk6fmljls36vsgmsh2
adobe-idp-site-verification=55cac8ffb5b23b50c94d629752efc925f61ea92c1254d16d8bd6f0affe96e97e
6hszhhybwmrbh92rpj7m8rm8rclry7gs
openai-domain-verification=dv-8uyHnjMDd4ZJ1w1CapYvN7jZ
4k87v34q679nnktm7msw176n2mjjt2f2
atlassian-domain-verification=NNeumMyMPkAxVMrj7qq1zrhVVGl/5usz/MXkCgRheK8j05h3hDbEs6zZdYhHhGt8
MS=ms51433796
xVXYh2htSzJmE6VkToy/aGAmNs8cxK2vV+6I70GL/zlQHSbfrd6n2vPKyYeokIK4okHucqCOzxF9J/FLb7VQZA==
v=spf1 ip4:54.240.121.128/27 ip4:52.6.112.187 include:us._netblocks.mimecast.com include:spf.abila.info include:mail.zendesk.com ip4:74.220.145.8 ip4:74.203.48.0/23 ip4:74.203.57.0/24 ip4:174.46.206.0/23 ip4:174.46.10.129/32 ip4:143.220.15.0/24 ip4:143.220.17.0/24 ip4:143.220.32.0/24 ip4:216.71.144.176 ip4:207.54.86.45 include:_spf.qualtrics.com include:amazonses.com ~all

NS 4

ns-1559.awsdns-02.co.uk
ns-928.awsdns-52.net
ns-1284.awsdns-32.org
ns-165.awsdns-20.com

SOA 1

ns-928.awsdns-52.net awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (10)

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 nejm.org. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: f8257b21-1094-49ea-8405-ee2ef6f5713f
Output Hash: d5ca3b46e0bb41da138f33c376f7de6ec0c02b0d51e44f8e56e1308b08d87549
Signature: ed25519:1fdce72feead8a8a59ff04bdb675ab28f6a2d96108cea1e497efcf128388527d02733479fb5cb5a3667738d25c754e56bbf0d4871fa885cef2516be7f393d70f
Public Key: ed25519:d610d74ef18f683e5beb859d241d5e67dff0c122e8928b06bec1c2476f4ba27b
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/nejm.org