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94
Total
95
DNS
90
Email
88
Security
100
Network
100
Availability
Domainimperial.ac.uk
IPv42
IPv62
MX records1
StatusActive
Domain technical report

Imperial College London

imperial.ac.uk

Imperial College London is a world-leading university for science, technology, engineering, medicine and business (STEMB). Across our London campuses, and throughout our international network, we use science to tackle global challenges.

Generated: 2026-08-08T21:20:02-05:00 · Cached result

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IPv42
IPv62
MX1
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

4 NS record(s); 2 or more required.

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

✓
DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

1 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

✓
DKIM20 / 20 pts · Mail

A DKIM selector was verified.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

46 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers23 / 35 pts · Security

6 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: wrpwww.cc.gslb21.ic.ac.uk

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓
IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓
DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓
HTTP response40 / 40 pts · Availability

HTTP/1.1 200 OK

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)
146.179.12.148
146.179.42.148

AAAA

2 record(s)
2a0c:5bc0:88:100:1::172
2a0c:5bc0:80:100:1::172

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
0 imperial-ac-uk.mail.protection.outlook.com.

TXT

10 record(s)
"v=spf1 include:_spf.imperial.ac.uk ~all"
"QuoVadis=074d27b3-587e-4c96-b5be-881e3fa0d7b9"
"B7OdSiuxOT4nDzVKc3rvRvPCmauZX0/VUm0gfNk4rF2in08TlPIw9PTxeO7uivisEBoFTWH/3lkOCnEH+lKdUw=="
"jpTnP0a85DNKFLkx3olXeqgv6Fmksm7XhTp1ObH+mitHv34hgwMAH7sDmZsqdrYYrcftGIRG4gbhRzaQXhZe2Q=="
"pardot472252=359a71a66c9fce4a6dab576ed4b90d1124ace810165c3639364c4f8f26c4bb0a"
"1a531ca6-e94c-49b4-873a-d9a369194f9d.100718"
"jamf-site-verification=HDaGaFih5Un-ehjGdM20UA"
"MOI0I0B7LIOY7POYA53QV247X60DYHI84J7TIP22D"
"google-site-verification=Qo0W6m-3ORySc1aBAXZO6YJZHwTP-3Xun7tZRgtdRQg"
"asv=b93d130fbe6b772d49da4120a64c7f12"

NS

4 record(s)
auth0.dns.cam.ac.uk.
ns1.ic.ac.uk.
ns0.ic.ac.uk.
ns2.ic.ac.uk.

SOA

1 record(s)
ns0.imperial.ac.uk. hostmaster.imperial.ac.uk. 2025927446 2700 1800 3600000 3600

CAA

0 record(s)
—

Not configured

DS

1 record(s)
40290 13 2 B997B6FDEDADB12C747122A6CC16630AFD2F3FA3C74EF752A090CB41 9443E48D

DNSKEY

2 record(s)
257 3 13 lF0ee7FY6rQXH35Bgkfgx/YFIw2brZaRD19N1XBwfqaa1lv1EjOpVDmb lYBSMFbLixg16cpmJD1a0+R9DIKUfA==
256 3 13 2lbxuNl5NWLEtEGoZpumVqn6U7IFVhnkwLxcza0RfvEcCq77w4IgNRzA FYmiBVqq2eb7RTdbTozEiRsFUreeGQ==

RRSIG

5 record(s)
AAAA 13 3 86400 20260907135651 20260808135324 25063 imperial.ac.uk. dC4NJw0ASsKuUcwPzDDqkEN/uYurmlvdrAvwRgv4zaAX8Wzjand/h7mQ oTB52BnPGV0VErqNTREff792rysa1w==
A 13 3 86400 20260907135651 20260808135324 25063 imperial.ac.uk. phNWPZRrtbZvwO214hTt7Qu6vmK0KTRdbm7jV3bMI6+EIno1koWRQWoo Da/zqcgO1tbvBkCkT5XszOUOMzCFug==
NS 13 3 86400 20260827092718 20260728090220 25063 imperial.ac.uk. 5Www6Es/3RyiSQBpzqs4vhZccGhna+I1dHife9yaus1aUcH6VAP3FRaj DCviCxn4a6qB5avBnIWI6k71WHyjfA==
DS 8 3 3600 20260818144439 20260719131439 7336 ac.uk. pWxorHoFDIeO75HR0DHZJZNA5b4hDY4R+RwAoZKmts/POJ2HFxzpq+ek SCWrO0L+5RyHmqcnJ6KmFzk+zsn2GY+HOK1QkZzqSckbo8zhqHY6TGCP KNHq3pBHyBW0S8et45yPT9DrRWzKWDyE65XzdIMApOMZ3fBHbXkeoGkj GuY=
MX 13 3 3600 20260822133317 20260723130353 25063 imperial.ac.uk. AOEI1d1ywZrrnFWTGEI+wWtCfB+jnZVLoy9TMkfccwuMG35CdnCmXmLd y53dNVwjAe9/K4r6kBHVtCbjN1VV7w==

NSEC

1 record(s)
360-visit.imperial.ac.uk. A NS SOA MX TXT AAAA NAPTR RRSIG NSEC DNSKEY

NSEC3

0 record(s)
—

Not configured

SRV

0 record(s)
—

Not configured

NAPTR

1 record(s)
100 10 "s" "x-eduroam:radius.tls" "" _radsec._tcp.roaming.ja.net.

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
v=spf1 include:_spf.imperial.ac.uk ~all

DMARC

Configured
v=DMARC1; p=none; sp=none; rua=mailto:dmarc-reports@imperial.ac.uk,mailto:dmarc_agg@vali.email

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCMcK5jijP696Urt8rkilKF45yrhRHFKneYzWFS1xOU83BMMI9A3ASZl59dl05JNLV6Qti6V9la5GXkMPwp61+6kJ2NkfqvR6zSoFHtwdub+yXJwRPAJukPQ1AfbNW04jo/2kX7Oy4FKrPeejiHgth9h2uufAqtLP+juYncKa9nJQIDAQAB; n=1024,1455306458,1

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Imperial College London
Description
Imperial College London is a world-leading university for science, technology, engineering, medicine and business (STEMB). Across our London campuses, and throughout our international network, we use science to tackle global challenges.
Final URL
https://www.imperial.ac.uk/
HTTP status
200

HTTP

Status
HTTP/1.1 200 OK
Final URL
https://www.imperial.ac.uk/
Version
2
Server
Microsoft-IIS/10.0
X-Powered-By
ARR/3.0

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
imperial.ac.uk
Valid from
2026-06-26T18:23:31-05:00
Valid until
2026-09-24T18:23:30-05:00
Days remaining
46
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

6 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
✓
Permissions PolicyImplemented
—
Cross-Origin-Opener-PolicyNot detected
—
Cross-Origin-Embedder-PolicyNot detected
—
Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
146.179.12.148, 146.179.42.148
61,29 ms
Cloudflare
1.1.1.1
146.179.12.148, 146.179.42.148
379,24 ms
Quad9
9.9.9.9
146.179.12.148, 146.179.42.148
167,35 ms
OpenDNS
208.67.222.222
146.179.12.148, 146.179.42.148
317,39 ms
AdGuard
94.140.14.14
146.179.12.148, 146.179.42.148
270,34 ms

IP, geolocation and ASNAssociated network information

146.179.12.148

No data
success
No
country
region
city
asn
organization
isp

146.179.42.148

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

imperial-ac-uk.mail.protection.outlook.com

Port 25: Closed/unreachable - 19.9 ms - 
Port 465: Closed/unreachable - 4036.7 ms - 
Port 587: Closed/unreachable - 4020.6 ms -

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