hmhco.com

Observed 2026-07-17T20:39:17.275Z (2h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onCloudflare

Email byMimecast

Registered withNetwork Solutions, LLC

Also usesFacebook/MetaAtlassianMiroDocuSignGoogle Search Console

8 subdomains · education_expanded

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

INFRASTRUCTURE MAPwhat hmhco.com actually stands on - every host below is a signed observation

hmhco.com

A / AAAA

45.60.101.20345.60.11.203

Cloudflareserves the site

ns-1900.awsdns-45.co.ukns-951.awsdns-54.netns-1193.awsdns-21.orgns-341.awsdns-42.com

awsdns-45.co.uk + awsdns-54.net + moreanswers its DNS

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

Mimecastreceives its email

HTTPS probe

redirect Redirecting (3xx) 308 → https://www.hmhco.com/

HTTP status308

Servercloudflare

TLS protocolHTTP/2

TLS issuernot observed

Behind Cloudflareyes

Response time349 ms

DNS resolutionNOERROR

Redirect chain

https://www.hmhco.com/

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

DNS Records

A 2

45.60.101.203
45.60.11.203

MX 2

5us-smtp-inbound-1.mimecast.com
5us-smtp-inbound-2.mimecast.com

TXT 41

facebook-domain-verification=j9y57ganvf1td5819xs1y7ro1oaocs
MS=ms65451366
_zjf8wvnzc5hzfuordx7qti6vz2lo9dd
_reegr6qrngjjfjigyyak4y4149z96f0
atlassian-domain-verification=BNYS2ZxDgYF0MABftk2Zoz5k5a1O4ISi5g0vBS7vRKxvosDsl020tMm88EaCzkFE
openai-domain-verification=dv-LvPgut8vxG5Id4c62TexDLU0
atlassian-domain-verification=CBbj/iXZ5lGubFrU2QeWACCkSiIcanWzOa3PxRDfyjxeJsv4d/vf4xiiortak0h1
apple-domain-verification=P7EQHRcSw1MEhYAw
_yrydfmt6ek9t9k9oiffq7j710sdp5r2
canva-site-verification=XAvMwkZKNaFlNW4YQojH3g

NS 4

ns-1900.awsdns-45.co.uk
ns-951.awsdns-54.net
ns-1193.awsdns-21.org
ns-341.awsdns-42.com

SOA 1

ns-951.awsdns-54.net awsdns-hostmaster.amazon.com

TLS Certificates (0)

None.

Subdomains (8)

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 hmhco.com. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: bc37ca87-0c3f-4cbd-8d16-2ac411ea3132
Output Hash: 22cea6d7443aab32d4680b9150f68ace452c6e25f15a643fdfc7dbaf74d3b252
Signature: ed25519:4318c4ad03df6954bcc3c4b0db7eed357376c07d18c38055b61c68358461f2e7eb7956df8a6cebe7d12c8977ae4ee7da7de2faaab69ae4c38064cfd7cd7f270a
Public Key: ed25519:7aad40f2d6399c207fe2fc15aade04a78324787a355d36725cc90687f9e10cff
Parent: (genesis)
Plane: fast

Verify this in your browser

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