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Total

DNS

Email

Security

Network

100

Availability

Domaindmu.ac.uk

IPv41

IPv60

MX records1

StatusActive

Domain technical report

De Montfort University

dmu.ac.uk

De Montfort University in Leicester, UK offers a range of undergraduate, postgraduate and research courses. View our degrees or book an Open Day online.

Generated: 2026-08-09T22:46:52-05:00 · Cached result

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IPv41

IPv60

MX1

NS3

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

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

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

✓

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).

✓

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-RPT5 / 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 DNS0 / 30 pts · Network

PTR not detected.

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)

185.18.139.191

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

5 dmu1.in.tmes.trendmicro.eu.

TXT

12 record(s)

"facebook-domain-verification=qkr46uox6s5qmvhgu6edkt2fwnuirc"
"2EqWtiE9nSOHweUDzTtArOVR7rmLG0GkPam2YrymReh9n49XW12iZgNmfd3ZEILHlzPVMJW+R5x9JpL4xUvMDQ=="
"mailerlite-domain-verification=a5d7c2226972e8efd7c38d055655b696662c59e4"
"QuoVadis=fea764c9-5a21-4ef5-866c-38f4a041a94d"
"v=spf1 ip4:146.227.160.0/24 ip4:146.227.239.21 ip4:78.31.104.29 ip4:159.183.232.100 ip4:185.249.220.0/24 ip4:185.225.161.0/24 include:_spf.cmail.ondemand.com include:_spf.cloudmail.net.sap include:amazonses.com include:wpm.flywire.com include:_spf-dc57.sa" "psf.eu include:transmail.net ip4:185.18.136.0/22 ip4:159.122.203.157 ip4:159.8.175.58 include:146187216.spf04.hubspotemail.net ~all"
"WIOPISXUEDFHSG1UFMPWOTL2ZI6A9W6BH5TKL49Z"
"hes=ce2195f48d0e7debdfb42e16c937de31"
"04cf82f1-78e1-406e-9f44-c06f15e5b160.100718"
"successfactors-site-verification=MzAxMDE5MDRmYWIzZDhkM2VhYjZhNTc5ZjZhMDZmYmY2YzM4NGE3ODMyOTc0MjBjZDlkNzA1OGU4NDVkMzJmMA=="
"adobe-idp-site-verification=c70437efa0ae360cf7d4bfe8784f6e72ae3e0e51557734a56464e1a385d80c33"
"remarkable-domain-verification=0e0bf45c-58e7-45d0-980d-d62bfe08a640"
"MS=ms31884171"

NS

3 record(s)

ns2.dmu.ac.uk.
ns0.dmu.ac.uk.
ns1.dmu.ac.uk.

SOA

1 record(s)

ns0.dmu.ac.uk. dnsadmin.dmu.ac.uk. 56394 2700 1800 1209600 900

CAA

6 record(s)

0 issue "pki.goog"
0 issuewild "sectigo.com"
0 issue "letsencrypt.org"
0 issue "awstrust.com"
0 issue "sectigo.com"
0 issue "comodoca.com"

DS

0 record(s)

—

Not configured

DNSKEY

0 record(s)

—

Not configured

RRSIG

0 record(s)

—

Not configured

NSEC

0 record(s)

—

Not configured

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 ip4:146.227.160.0/24 ip4:146.227.239.21 ip4:78.31.104.29 ip4:159.183.232.100 ip4:185.249.220.0/24 ip4:185.225.161.0/24 include:_spf.cmail.ondemand.com include:_spf.cloudmail.net.sap include:amazonses.com include:wpm.flywire.com include:_spf-dc57.sapsf.eu include:transmail.net ip4:185.18.136.0/22 ip4:159.122.203.157 ip4:159.8.175.58 include:146187216.spf04.hubspotemail.net ~all

DMARC

Configured

v=DMARC1;p=quarantine;pct=100;rua=mailto:dmarc-rua@dmarc.service.gov.uk,mailto:postmaster@dmu.ac.uk;ruf=mailto:postmaster@dmu.ac.uk

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDEDi1mPGB2PYxy6tgaToLK6GMQLURX6kEERk19ueUCiHphjZm6omCYnX+mN7OBe1FK/mP+Ruq2l2B+LIil2uePNSIRIVLksNKh+aD0Vzj66PaKgQ7uIsSm7AAevVv8UG9d8DRJtTM7q46JskgZcTxEKFtK+ii2yBnJt08W5/fMtQIDAQAB; n=1024,1450515864,1466327064

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

De Montfort University

Description

De Montfort University in Leicester, UK offers a range of undergraduate, postgraduate and research courses. View our degrees or book an Open Day online.

Final URL

https://www.dmu.ac.uk/home.aspx

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.dmu.ac.uk/home.aspx

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Sectigo Limited

dmu.ac.uk

Valid from

2025-10-28T19:00:00-05:00

Valid until

2026-10-29T18:59:59-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

4 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

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

185.18.139.191

191,64 ms

Cloudflare

1.1.1.1

185.18.139.191

46,14 ms

Quad9

9.9.9.9

185.18.139.191

251,71 ms

OpenDNS

208.67.222.222

185.18.139.191

240,92 ms

AdGuard

94.140.14.14

185.18.139.191

226,38 ms

IP, geolocation and ASNAssociated network information

185.18.139.191

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

dmu1.in.tmes.trendmicro.eu

Port 25: Closed/unreachable - 8.7 ms - 
Port 465: Closed/unreachable - 4020.1 ms - 
Port 587: Closed/unreachable - 4029.1 ms -

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