How is cam.ac.uk?

Not sure yet risk 10/100

On no blocklists we checked, valid HTTPS, the site answered 200 in 378 ms.

Why

02050100

finecarefulhigh risk

+10Could not read the domain's registration record.
·Could not check registration; retry before trusting this domain.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.

Site

200

378 ms · ends at www.cam.ac.uk

HTTPS

55 d

left on a Let's Encrypt certificate

Age

creation date not reported

Blocklists

listings across 5 lists

Everything we looked at

DNS records5 record types

A	23.185.0.2
AAAA	2620:12a:8000::2 2620:12a:8001::2
MX	0 cam-ac-uk.mail.protection.outlook.com
NS	ns2.ic.ac.uk auth2.dns.cam.ac.uk ns3.mythic-beasts.com auth1.dns.cam.ac.uk auth3.dns.cam.ac.uk ns1.mythic-beasts.com auth0.dns.cam.ac.uk dns0.cl.cam.ac.uk dns0.eng.cam.ac.uk
TXT	google-site-verification=DzWWuhcpZ1B2FT5ftPCIV8rK6hbuLEEaojFzIt_YhSM access-domain-verification=80b9280e5d8d74cd9a01a3af64bba66df221437d7612cc895110546f3b86d2ce dell-technologies-domain-verification=cam.ac.uk_b220a1b2-fe6b-4199-bae5-c07814bfc1e0_1768470629 v=spf1 include:_spf.cam.ac.uk include:spf.protection.outlook.com include:_spf.google.com include:spf.uk.odmad.quest-on-demand.com -all have-i-been-pwned-verification=505eab056dca3ebf0a94cc28eeef0c31 hpe-greenlake-domain-verification=78487863375a505250746c662d4236615a71794f322d47423172636354537362 google-site-verification=vob_qUOVAbGehTQ74k1vnA1XCWJB2CSWwsP9fNdwALU atlassian-domain-verification=S5SLTUt0OLAN9mxNzSRE7Cwjz4YOzlAVb87kMqkz6FcVeqp9q2PX8wtErVchDQYH QuoVadis=a2edaff3-bdc6-44c5-8550-2167fe7338c4 _l57xfo8xodfo7j6g0fb9zoljfwh18qt airtable-verification=a44072da1d55edc25c09b3eb72f8cedd google-site-verification=WBy6QZ92OsuLOOPs8Zrr4GxorRnSu9H_aiLmyCjX-nI _um3kem45o33chvq68mb4qyt72y57oow jamf-site-verification=9Xc0IY8F9-nFQz_ItUdvSg 9026cbf1-7b8b-4613-87ce-a46bda32c08f miro-verification=a1052e0584a21e3d2792bce42f69dc21def357fc

Registrationregistrar not reported

HTTPS certificate55 days left

valid	yes
issuer	Let's Encrypt
covers	cam.ac.uk, www.cam.ac.uk
protocol	TLSv1.3

issued 2026-09-25expires 2026-12-24

DNSSECsecure

Domain is properly signed — chain validated by an independent validating resolver

. → uk → ac.uk → cam.ac.uk

Email authenticationexcellent

SPF	pass `v=spf1 include:_spf.cam.ac.uk include:spf.protection.outlook.com include:_spf.google.com include:spf.uk.odmad.quest-on-demand.com -all`
DMARC	pass policy reject
DKIM	found: google, selector1, selector2

Whether mail claiming to be from this domain can be checked as genuine.

Security scoregrade B · 160/205

Basic Security

20/40missing: DNSSEC Enabled

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

15/25missing: Mail Server Configuration, SOA Record Configuration

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 5 lookups

SURBL MultidomainURIBL MultidomainSpamCop23.185.0.2Barracuda23.185.0.2UCEPROTECT Level 123.185.0.2

Green: clean. Red: listed. Grey: the list did not answer.

Ask it yourself

Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.

curl "https://how.is/v1/domain/trust?domain=cam.ac.uk" \ -H "Authorization: Bearer $HOWIS_KEY" # or pay per call in USDC (x402), no key: the 402 tells your agent the price curl -i "https://how.is/v1/domain/profile?domain=cam.ac.uk"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on cam.ac.uk. Reference: /llms.txt.

Watch cam.ac.uk. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.

Watch — $1 / 30 days