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58
Total
85
DNS
90
Email
0
Security
65
Network
60
Availability
Domainic.ac.uk
IPv47
IPv60
MX records1
StatusActive
Domain technical report

ic.ac.uk

ic.ac.uk

Generated: 2026-08-09T06:25:47-05:00 · Cached result

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IPv47
IPv60
MX1
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

7 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 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 certificate0 / 55 pts · Security

No valid certificate was retrieved.

!
Certificate lifetime0 / 10 pts · Security

Full points require at least 30 days remaining.

!
HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: icads50.ic.ac.uk

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓
DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

!
HTTP response0 / 40 pts · Availability

No successful HTTP response.

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

7 record(s)
155.198.30.55
155.198.63.21
155.198.30.98
155.198.30.71
146.179.32.37
146.179.32.12
146.179.33.19

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

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

TXT

9 record(s)
"_n4u2r1q92sbrfhi4yw2pt2xhyyzz39i"
"box-domain-verification=d9a6de600ab54606d1a29e06b6f0c15175f40edec34a789899bdf76033229bfd"
"2fa15ee8-2285-4496-bbfd-190dda3d1b98.100718"
"8EPXmL39AtuM4AzorZWkeT34xcLvQhnXdl1bWFIZZfmArx3YinDdA1MnJRWq+m+rtJwgxwbrJUidKpwiJB3CvQ=="
"QuoVadis=2c177ef2-3f9b-4e3a-a5bc-9138f95d4089"
"access-domain-verification=6a44df5d26c585e4eb589c3037362087e7eb4f27d1f760df73ed6118a7d13cb3"
"pbVVNAqLdNQQqtA1/1Ebp6JyY/P4TTRz2GTxVvg3zeZGBEb4PDvkT11a81xc++ZWZAI6j+2MWRakQxkkXOQzSA=="
"v=spf1 include:_spf.imperial.ac.uk ~all"
"atlassian-domain-verification=ATxzg4VKmcvcwvue9AxKCTcnkkld5VpodrJb73U8t5DkZQN8b8saysxyKv5uQI/4"

NS

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

SOA

1 record(s)
ns0.ic.ac.uk. hostmaster.ic.ac.uk. 2013361052 2700 1800 3600000 3600

CAA

0 record(s)
—

Not configured

DS

1 record(s)
7069 13 2 0DA7770D4C0A5DCA1562E2A0BFC64BA34C0683A99C453246294EEF3C 0F90469E

DNSKEY

2 record(s)
256 3 13 Gl/hGS/gXXOVn6w3L1B8A/LH/wg2/hFRtID6OsUhjNgsETSKZVBB95xl Hj3RtrFq4FNVpYd2/o7yq7AXOPzYFg==
257 3 13 X27ePkKwUFUOperVH0m7yclZ9Wos4jPskJs6A4Y2W3ziZaRgMv+cYtoY 4Z9dLU1DEWld+DJY1yyoBM/uwhY3Jw==

RRSIG

5 record(s)
TXT 13 3 600 20260819132357 20260720131028 27223 ic.ac.uk. /McUUkZ3+EKRRRpmeQ+pF29snTObss7E+ygaknAjjnm9M/vuno1FV+va VfAHA22/QxWJdvqNKBQLFcOWK3+KIQ==
A 13 3 86400 20260901170701 20260802162556 27223 ic.ac.uk. s3jTd/p6phpUh4xSogIIgEd1m+F1pxQ7J7Wbe9ByTpPglUy5UPA7XYfu eOKUWE4w86STxEVz8SIa7oFwyFnLOw==
MX 13 3 3600 20260822132419 20260723125741 27223 ic.ac.uk. GJnDZj8bdMskISCw8UDKJrlBcz0xqZBUGd3MTUVZN5uhtlT7ISlSLf3R p3sIfvGMJ7MZhOXK/0f+TayyuWS3LQ==
DS 8 3 3600 20260818144439 20260719131439 7336 ac.uk. Zg7EXiE+rzpg+c3L1v9xOImcLNGaK5tNYqj4KBOoP9NzFuoUleKEL776 D7XRtgwSdnhPHdNKEb3fsKSpkQ7aQHTyehPzTOI4vBERaVRfmZtt8NAF rhQCD5BMU7T2Ake/l/RcOudrxfLEbviN7M95ij+0AfipRAL9sk150Ahs BQw=
NS 13 3 86400 20260827080558 20260728075350 27223 ic.ac.uk. SBeJ5pEetqqEpK0wx5jXEfxtxARXLwRhGeXjln3MH4U7GeG8AN+VDRlc H1tVEBW4awcWyMF7rGipvOVz9aBq3A==

NSEC

1 record(s)
06d7aab3-081f-476b-89b0-ff8c0741ec9f.ic.ac.uk. A NS SOA MX TXT 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@ic.ac.uk,mailto:dmarc_agg@vali.email

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDHlT5j+fuftgVAORP/x9BDM4oXhq+RrrDCnfxfao0RW4uuoK5jjLjw1p18xntyHLRYVEj5Yf5VTKkv1nBoCaK1M/3sb+ARErF4hnC06JgPUZ0Ef6HQybefFBpYV7BNvoozvAzOQP02gajQu72TWDpllI0SSWw673PKNr9vzlkF+QIDAQAB; n=1024,1455306562,1

Analyzed webpageMetadata and HTTP response

Title and description

No data
Title
Description
Final URL
https://ic.ac.uk/
HTTP status

HTTP

Status
Final URL
https://ic.ac.uk/
Version
0
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Unavailable
Available
No
Issuer
CN
Valid from
Valid until
Days remaining
Protocol
Cipher

Security headers

0 active
—
HSTSNot detected
—
Content Security PolicyNot detected
—
X-Content-Type-OptionsNot detected
—
X-Frame-OptionsNot detected
—
Referrer PolicyNot detected
—
Permissions PolicyNot detected
—
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
146.179.32.12, 146.179.32.37, 146.179.33.19, 155.198.30.55, 155.198.30.71, 155.198.30.98, 155.198.63.21
234,14 ms
Cloudflare
1.1.1.1
146.179.32.12, 146.179.32.37, 146.179.33.19, 155.198.30.55, 155.198.30.71, 155.198.30.98, 155.198.63.21
125,95 ms
Quad9
9.9.9.9
146.179.32.12, 146.179.32.37, 146.179.33.19, 155.198.30.55, 155.198.30.71, 155.198.30.98, 155.198.63.21
154,03 ms
OpenDNS
208.67.222.222
146.179.32.12, 146.179.32.37, 146.179.33.19, 155.198.30.55, 155.198.30.71, 155.198.30.98, 155.198.63.21
305,51 ms
AdGuard
94.140.14.14
146.179.32.12, 146.179.32.37, 146.179.33.19, 155.198.30.55, 155.198.30.71, 155.198.30.98, 155.198.63.21
144,52 ms

IP, geolocation and ASNAssociated network information

155.198.30.55

No data
success
No
country
region
city
asn
organization
isp

155.198.63.21

No data
success
No
country
region
city
asn
organization
isp

155.198.30.98

No data
success
No
country
region
city
asn
organization
isp

155.198.30.71

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

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

Port 25: Closed/unreachable - 22.6 ms - 
Port 465: Closed/unreachable - 4032.7 ms - 
Port 587: Closed/unreachable - 4010.5 ms -

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