herts.ac.uk

Observed Jul 22, 2026, 00:53 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Guarded by a firewall

Runs onCloudflare

Email byMimecast

Secured byLet's Encrypt

Also usesGoogle Search ConsoleZoom

tranco_40k

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

INFRASTRUCTURE MAPwhat herts.ac.uk actually stands on - every host below is a signed observation

herts.ac.uk

A / AAAA

43.245.41.78

Cloudflareserves the site

ns3.ja.netdns2.herts.ac.ukgemini.herts.ac.ukhelios.herts.ac.uk

ja.net + herts.ac.ukanswers its DNS

eu-smtp-inbound-2.mimecast.comeu-smtp-inbound-1.mimecast.com

Mimecastreceives its email

TLS

herts.ac.uk

Let's Encryptissued its certificate

DNS Records

A 1

43.245.41.78

MX 2

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

TXT 14

pardot950802=e16628c429537974bb767c85df0e70295120012176cc63d1be2b8e4c83c57a9b
MS=ms82038790
MS=ms32031689
anthropic-domain-verification-3b3a8j=Ka2J3qfkpFNUqNYLRjB6qfN08
086F8602-C051-47DE-BE04-19B54A040AA9
google-site-verification=LqigVFcLw-AMUXk6-OW_Wct5wAZ1_Kf1QT62JSJ0F7c
v=spf1 ip4:147.197.0.0/16 include:amazonses.com include:mailrelay.t1cloud.com include:spf.protection.outlook.com ip4:3.8.217.160 ip4:109.104.124.78 ip4:212.247.25.0/25 ip4:134.213.249.144 ip4:52.151.82.88 ip4:52.151.85.181 ip4:51.140.71.9 ip4:51.140.64.42 ip4:52.151.86.16 ip4:51.140.33.170 include:helpscoutemail.com include:eu._netblocks.mimecast.com include:_spf.salesforce.com include:sendgrid.net ip4:209.61.151.0/24 ip4:166.78.68.0/22 ip4:198.61.254.0/23 ip4:192.237.158.0/23 ip4:23.253.182.0/23 ip4:104.130.96.0/28 ip4:146.20.113.0/24 ip4:146.20.191.0/24 ip4:159.135.224.0/20 ip4:69.72.32.0/20 ip4:104.130.122.0/23 ip4:146.20.112.0/26 ip4:161.38.192.0/20 ip4:143.55.224.0/21 ip4:143.55.232.0/22 ip4:159.112.240.0/20 ip4:198.244.48.0/20 ip4:204.220.160.0/20 ip4:141.193.32.0/23 ip4:159.135.140.80/29 ip4:159.135.132.128/25 ip4:161.38.204.0/22 ip4:87.253.232.0/21 ip4:185.189.236.0/22 ip4:185.211.120.0/22 ip4:185.250.236.0/22 ip4:143.55.236.0/22 ip4:45.131.138.189 ip4:198.244.60.0/22 ip4:46.175.13.0/24 -all
apple-domain-verification=hfPteqmx9XxbSwKN
QuoVadis=a4939998-db82-42a0-a3a4-6ba15f1d4f37
QuoVadis=1634f477-fa09-4357-bea1-9989ddb3f08d

NS 4

ns3.ja.net
dns2.herts.ac.uk
gemini.herts.ac.uk
helios.herts.ac.uk

SOA 1

helios.herts.ac.uk postmaster.helios.herts.ac.uk

TLS Certificates (4)

Common Name	Issuer	Expires
`herts.ac.uk`	C=US, O=Let's Encrypt, CN=YE1	Tue, 08 Sep 2026 03:21:13 +0000
`YE1`	C=US, O=ISRG, CN=Root YE	Sat, 02 Sep 2028 23:59:59 +0000
`Root YE`	C=US, O=Internet Security Research Group, CN=ISRG Root X2	Thu, 02 Sep 2032 23:59:59 +0000
`ISRG Root X2`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Thu, 02 Sep 2032 23:59:59 +0000

Subdomains (0)

None observed.

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 herts.ac.uk. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_5e41c0378cc24f9c
Output Hash: 7a1c274d7a768a00e8cd8e4611f59d3d969a39e7b65d16e47b1d41e3884e57c8
Signature: ed25519:ca0c80be093ef2549eb19a4069017a38fcfd7c8322dcef7d73841fa70e7b4c906acd553a40f0535bf2c7662b904e16d5c7eac0d82f8fdfe8b68b538d2a825900
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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