Analyze any domain

Get a complete DNS, email, SSL, HTTP and network analysis in seconds.

Total

DNS

Email

Security

Network

100

Availability

Domaincranfield.ac.uk

IPv41

IPv60

MX records2

StatusActive

Domain technical report

Welcome to Cranfield University

cranfield.ac.uk

At Cranfield University we partner with business to deliver research, postgraduate education and professional development

Generated: 2026-08-10T04:37:18-05:00 · Cached result

JSON CSV PDF Visit site

IPv41

IPv60

MX2

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 policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

2 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

42 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 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/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

20.49.200.40

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 mxb-0035df01.gslb.pphosted.com.
10 mxa-0035df01.gslb.pphosted.com.

TXT

19 record(s)

"teamviewer-sso-verification=81c046e375ca41bdb81577b145269b01"
"jamf-site-verification=whYBNwKMNt3kq7FMwHPXNg"
"666418ab-b11f-4383-a089-3d3a1e1feed6"
"google-site-verification=6LwP4htq6FdtC11ZPcPrnmTIVJzioUsyE-q2ewFbB0s"
"mindmanager-verification=f787e6ab67defa90973e19e0caaa30261c1082c6ef3e82eb8ad3107b4efc0b73"
"facebook-domain-verification=emcregdyir8vewlq5vomyxrm887o0y"
"QhcaVDCaX6srt2K9B5qX4MdogvN9d81lLdcCHOEdw4/BnS89QWJ4TMBe9V8igZdUZWzPh8uJQ+4bsgqTYVuvLQ=="
"kFCJ0/Q07soyFkpxKQ/hl4XphkuZb/uTn3V0wMDwRtTcQDbb8YYl22IO3onyJswSErsTxRLzQqc7+1OnCuIU+w=="
"twilio-domain-verification=3ea68200ac7af7f5da34912f4dea8044"
"v=spf1 redirect=_spf.cranfield.ac.uk"
"d365mktkey=6GQwznZoHSMSUJrWOLfiAIi64MDwGnTKOicB4qziNfUx"
"d365mktkey=PUEfWtCMSZf8Nz3I2a8Mrx21NZ9vUMYeXD4T8pxvZGMx"
"PvsqDSCCQsTij52B21gn/D+rLxr8UCxNn0KApwElMVVyTXLHV+8qI3ziLmW3o+VrPOqWyxHo+dWBR14AD061Kw=="
"bw=eXF1ND35QbSfk34bO6XGmJG2nXZNdtG6jbETfHnb6csz"
"apple-domain-verification=r0xQPQO16mUvfJ98"
"26119CB6-1707-4548-BC3F-0EC7AD5780D2"
"google-site-verification=NRu5_I6aB84nHICxBLL_PEumBU1G9xZkuOPQfiReEL4"
"MS=ms42619528"
"google-site-verification=VpkYirZ15c85brVTiG16KzYZ-qasS9-uElPuZ1UjEH8"

NS

3 record(s)

dns0.cranfield.ac.uk.
dns1.cranfield.ac.uk.
ns2.ja.net.

SOA

1 record(s)

dns0.cranfield.ac.uk. dns-admin.cranfield.ac.uk. 2026081003 7200 3600 604800 3600

CAA

0 record(s)

—

Not configured

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 redirect=_spf.cranfield.ac.uk

DMARC

Configured

v=DMARC1;p=none;rua=mailto:TNajVzSCy2K@dmarc-rua.mailcheck.service.ncsc.gov.uk;

DKIM

Selector k2

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA0b90ObWaLDc+i9MtTNmGeWO009hr20fIxhGg6XBT2kjZ1DTThopSe1nAndsupmcBwlQ5Q6LJ+ZAxLcujnPIxM0ZBLmgpkv8u6RfY4eFP8OLvdAW3oSuB0DyLDigQX4Sj8wBO4YIdQH6AAmBeOsidsKAFNFUCpc3vCxtBDR12U+cBg724l3sBkMQ8evnz6idnqxq9QAVYh8k4kJ+RP+6cqTdy7LjIm8xY/bQNpQIpGUAuDo2DjLcCDun9DAI4Q/3z+Q0o9QuQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Welcome to Cranfield University

Description

At Cranfield University we partner with business to deliver research, postgraduate education and professional development

Final URL

https://www.cranfield.ac.uk/

HTTP status

200

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www.cranfield.ac.uk/

Version

Server

Microsoft-IIS/10.0

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

www.cranfield.ac.uk

Valid from

2026-06-24T03:28:42-05:00

Valid until

2026-09-22T03:28:41-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

1 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

✓

X-Frame-OptionsImplemented

—

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

20.49.200.40

139,50 ms

Cloudflare

1.1.1.1

20.49.200.40

144,73 ms

Quad9

9.9.9.9

20.49.200.40

248,54 ms

OpenDNS

208.67.222.222

20.49.200.40

246,53 ms

AdGuard

94.140.14.14

20.49.200.40

306,38 ms

IP, geolocation and ASNAssociated network information

20.49.200.40

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

mxb-0035df01.gslb.pphosted.com

Port 25: Closed/unreachable - 49.7 ms - 
Port 465: Closed/unreachable - 138.6 ms - 
Port 587: Closed/unreachable - 139.3 ms -

Recently analyzed domains

View all →

active24.cz95 apnic.net95 www.news.bbc.co.uk4 jeito.nl97 fl.us4 mn.us4 tib.eu74 hoo.be78 rijksoverheid.nl96 webkit.org83