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Total

DNS

Email

Security

Network

100

Availability

Domainle.ac.uk

IPv41

IPv60

MX records1

StatusActive

Domain technical report

A Leading UK University | University of Leicester

le.ac.uk

Discover the University of Leicester - pioneering research, world-class teaching, and a diverse community shaping the future through education and innovation.

Generated: 2026-08-09T04:29:29-05:00 · Cached result

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IPv41

IPv60

MX1

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 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 policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 MX record(s).

SPF0 / 25 pts · Mail

SPF policy not found.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

80 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: web2lv.le.ac.uk

IPv4 diversity20 / 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 response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

143.210.133.109

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

4 le-ac-uk.mail.protection.outlook.com.

TXT

5 record(s)

"have-i-been-pwned-verification=5c9eb1c48ff05a56ec3ed4c36478cf60vHqzY"
"google-site-verification=dGb2np2GLuolzmaII-_AClVSayvQU3HkNdKH_UvHqzY"
"MS=ms36016575"
"yhsCBgk9WhApk3ZLiA78+B2V/Qy6E2QqY4rNlVs30X5ADle1LiZCPcDOz0SV4CaogCto8sIZcs8fONT1W9psqw=="
"QuoVadis=04feb944-b731-4e85-8615-c40fe6d3ed09"

NS

4 record(s)

ns2.le.ac.uk.
ns1.le.ac.uk.
ns0.le.ac.uk.
ns3.ja.net.

SOA

1 record(s)

ns0.le.ac.uk. hostmaster.le.ac.uk. 2409995477 1800 180 2419200 900

CAA

8 record(s)

0 issue "quovadisglobal.com; policy=ev"
0 issuewild ";"
0 issue "letsencrypt.org"
128 issue "pki.goog"
0 issue "digicert.com; policy=ev"
0 iodef "mailto:hostmaster@leicester.ac.uk"
0 issue "sectigo.com; policy=ev"
0 issue "amazonaws.com"

DS

1 record(s)

18419 8 2 F7C9C2A23A34E6EAE110050CA07416AFFDC98E42078F133E8038F9C6 950A1419

DNSKEY

4 record(s)

256 3 8 AwEAAbWsC8kDLCthTsQpSRog8Mb5UKjel8vtKLMkFP3ApuamT0M4vV/p NwfraS/UZBMpXOywzeAzA/BNDAgzwNLjUgnLX0yopY/yXVa/ce6/5bvQ dvUR52w9F+hYfCemAT0lkuUMwuMLP0veppXXWhyQrAo3e96Pdss8bF1c 4FnBTJcX
256 3 8 AwEAAeZ8fRLVHozDY6O43nXtdqM5t4W089Zgl9O5kKa3aMw25rtYMRVt 6KFbskBvdjHIcMSioB1DJAtxXCONzlKiz885+kGHUba47VaMTtWq1STb BBKNtq5ePp2huDcVtrt7bp3gVFe7D882e6wb9UeonolrRJVWIrPME9Km 1KJmjh9D
257 3 8 AwEAAaojCQ9EA5X1hCkLbQUANso88Txy/S1rQucH0Uv77LJ67mvPv8IY /cHFLIJlJKBvgDKtSvATt2oYeqMEcNrmXXuOXbICah1K28wFMnhzycTN fbjL6aGMaB0ltERqC8Sq87tpNVaHta38D95OmUuHEH9gZKDzChk7D4oU cBosyobKa/7Ii3WeH3iRQvCTULg5XImefaBNrKJIR8EK2utF4JjQjokd FFNalzT4u3m/15VUei3jNFXGnOagFk3yUuJ+qdY48KPGdA0FM4Q4Uvi6 67qr0kbsMtcaJYShak22ie5kaC/UBKu13jY+aIFuCbKLK4St/nTbIs3a pIl4a1izmX8=
256 3 8 AwEAAZ6BCtwyvknekIOBw5nL2B4Xxkai8YpD9PKLbvXh+Qbso/2dt2wn dXbbGxExF4wYGeTsasyRSkIUzNgNoln/uFOM++eyGkq6RU+QdmA2nquG /tXXnK7dN6eLrAvKFMkhs0DDOOJnlH4Rd6+gDbDZwZHZZKY8qXxKUaVz eErW+S2l

RRSIG

10 record(s)

NAPTR 8 3 3600 20260812184417 20260808175709 17574 le.ac.uk. coDTyT99o8FE/kteKpEGYM6/DTTEDxyfNwbyas2ZTbb8F+edFxyjdTWH I7vQVPfEmzyxBD9QXF/aW0ax7LVifJmdyxOdiI4Aw/JkamhM0xw5pb4U ZR8NaQaksoxDgvrEudcj9BogZusD0DW3JA3bfEexsf/ixa5d6rkZpE3G wGg=
TXT 8 3 3600 20260812172108 20260808171613 17574 le.ac.uk. P4l8OFHgqxzrRfR/EMPulgzDfM9sTedD2CJPeNaE+vLdCS4ykaUrdvzz ur6rAPqVKzSvyjtvTxR+ZTuv8ZXguGe9SfwY7kQrRfQfLYuD0LsD49p4 MryviJ2dWzddDRdbr202Hs917yeIli7iR/p6NDRqLZfAKgPCaDIIWRL3 pFM=
NS 8 3 28800 20260812183806 20260808174301 17574 le.ac.uk. ZZAOvF7u6q6SDOSLae5EPkfMa7Enk/RdppyzK8diDY8duFtFQb34ABF0 DfU70vIqNAm3pXYQlIHFsCHqUiwvMkaCx9GsSt9I2dN58iBVPdNBpwqg E4oOAhuUKRG6kdlV2u2fteNaZW5SJXHU7zRv+kYBL/0HMYXxLxEHSzUl AFg=
DNSKEY 8 3 172800 20260812182027 20260808173333 18419 le.ac.uk. jTjs27uRIgSgc/MfuPxMyeCCYQOs0/4O6gyzSavhtnlRExIxoD2AjZEB /lrBsFrYVZ8tqtjdkye4O3hVlnT9y10TULrwPkjOb29xYzCLDtCJMbke Y6UlLQOJfeMNQtfwWSGG+p7Qrso6YM6BXUiz3q4CGS4cSCapsXCoyDJK PI5kq8hsTFoH/7O+V94vDDOpgNPXvrrG83DXrszCM8aSuCqJCnstnQhp NigQg8DdtlMXCQ7nuqm2saKW2vuoy1itbKguzzPZlLGu/77gHobrRhWx gNWpLvbvvUFf/qRYqUzRwVOXKMmgHQHWkRAPJbhwKolIP6RSyXhP3iFb Bee6AQ==
SOA 8 3 28800 20260813091351 20260809081351 17574 le.ac.uk. 4xbl6O9hAS1FQ2n/UWBh+0LG44J3hU6TqX1Dsr8wKQC/kPYUAobfEwjb z3OA7McaxhiGMdofVNWPushmnmlrBLUb+fWMYYTyJo527YYS4X0w6xoh TMaquNn86pfADmtfEXSA/PTkwAKbTaxOi3EEDVaoIQEgRpPH0pGc4rS3 8Ak=
A 8 3 300 20260812183429 20260808174302 17574 le.ac.uk. zqTyYHdmuXvo50nEWvLKfkVz0pOFhFe71kuI9UtUT9z3k3S8k0ysqtSA yGGDQPSQu9t4Qt7nBWE0OK8x/ad7tzDVqhYx5yuhm//pCD/hDJ6KRJCT FfKB482epKJvNDJFpQ8uaXPodNYLaUEByDgYtdEFAgq4TkyodanegAGL 3Uk=
MX 8 3 28800 20260812180903 20260808175033 17574 le.ac.uk. o0dN6H3b1ghcjuPZd7eufsLhDz8gk/lc1Zjge2FjsMBa8P793Fq3x87v B2OkozZIfp/6YYyzVXvzlWMzuy4r0bCdmw7vYbUA1Ey7Jl90adxCKz1Y VW8pawipMhoNfdxDsUBt+ZWPxEBZ+uzcj9xvl67EeNWop5k+Nu77LAOc cWE=
DS 8 3 3600 20260818144439 20260719131439 7336 ac.uk. sIHodURY+W6NpXq88DAk1yrPKAm79R2duIhL0b9JwYP2sEHykl40P2y1 E2u1mez5J86OEnV2lyvSkILyuu7NA0TIvDDx1Z1Nth6xBGeY4RVeWhWp Xz6/gCHL+U4UNh9APdiebOAvIduCJzZybJAO0rvmWgR/f8t4KvkQ6S6o y3s=
CAA 8 3 3600 20260812102740 20260808101130 17574 le.ac.uk. x3K974eBrR/6XCfE1qAQQOzR8sAFnacklX8GIICn01scw0E/09t5A2HS mENAZj887WbtNhVb0IhcjsRIO1z90JXPsI2oGKqXnLEZGrYUZz1xcIBK viwQwttOxbE6qtt90EHuJC8UmKn+XKs9CGniqUI+XTgwwp8lq7YBNFhE FcU=
NSEC3PARAM 8 3 900 20260812183429 20260808174302 17574 le.ac.uk. hH0doH5RowV32ou/ezRBIrOJayLVRO0B0xBWOpzjLediMSGvi7KBBb1g po5HYCfkyFBMV0Cn5QZkQ8/SsILawVuWW/lM8yMg/22KdgHljVDqKbZC Rubpi5jbGAQF1IfxSwGhDYYQJFi7V6LYBCvg6mEV4Tj0s4viUZmUwfe7 d00=

NSEC

0 record(s)

—

Not configured

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

1 record(s)

10 10 "s" "x-eduroam:radius.tls" "" _radsec._tcp.roaming.ja.net.

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Not configured

—

Not configured

DMARC

Configured

v=DMARC1; p=none; rua=mailto:dmarc@le.ac.uk

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

A Leading UK University | University of Leicester

Description

Discover the University of Leicester - pioneering research, world-class teaching, and a diverse community shaping the future through education and innovation.

Final URL

https://le.ac.uk/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://le.ac.uk/

Version

Server

WebServer

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

le.ac.uk

Valid from

2026-07-31T00:33:24-05:00

Valid until

2026-10-29T00:33:23-05:00

Days remaining

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

4 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

—

X-Frame-OptionsNot detected

✓

Referrer PolicyImplemented

—

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

143.210.133.109

61,73 ms

Cloudflare

1.1.1.1

143.210.133.109

142,29 ms

Quad9

9.9.9.9

143.210.133.109

138,09 ms

OpenDNS

208.67.222.222

143.210.133.109

324,55 ms

AdGuard

94.140.14.14

143.210.133.109

227,62 ms

IP, geolocation and ASNAssociated network information

143.210.133.109

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

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

Port 25: Closed/unreachable - 24.1 ms - 
Port 465: Closed/unreachable - 4027.8 ms - 
Port 587: Closed/unreachable - 4019.7 ms -

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