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80
Total
70
DNS
95
Email
65
Security
65
Network
100
Availability
Domainbristol.ac.uk
IPv42
IPv60
MX records1
StatusActive
Domain technical report

Homepage | University of Bristol

bristol.ac.uk

Official university site with information on undergraduate and postgraduate courses, research, teaching, study and departments. Located in Bristol, in the South West of England., Official university site with information on undergraduate and postgraduate courses, research, teaching, study and departments. Located in Bristol, in the South West of England.

Generated: 2026-08-09T01:52:44-05:00 · Cached result

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IPv42
IPv60
MX1
NS3

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 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

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

67 day(s) remaining.

✓
Certificate lifetime10 / 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: bristol-web-dc2-vip.services.bris.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 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)
137.222.125.160
137.222.180.160

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

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

TXT

20 record(s)
"apple-domain-verification=kT4QDUuviV97WZEh"
"IKVOWJEBKXPPJJGWB9Z0N7XUQSFAZXN7WGMIMQJLU"
"access-domain-verification=d3cddef64aaf41f13db6da308ba3964b24b846ddc3902df1be00d3d0184818e9"
"vmware-cloud-verification-c77286b2-681b-4ba9-8572-e90b8e3552a1"
"d365mktkey=UCZVh5ufOSsg2C7JktpFH0vJTvOo3bbc6MkN1hNQEkcx"
"anthropic-domain-verification-r57yrx=BcFbNlDquEPvssVi644E2Cq2x"
"graphpad.com:domain-verification=ummDOp44PLBrp8-J_j-6tQ"
"QuoVadis=3ef1eede-9303-43d0-994c-47eb873db310"
"adobe-idp-site-verification=206237f6c740f0d2ca9689f4ca6321794db6e874f42f33d77fa41e63da01fa51"
"QuoVadis=6f9343f9-3d02-4ba2-8193-43a92c35bb57"
"ZOOM_verify_WrGbO-1QRZ26Z8m3hp_NJg"
"access-domain-verification=0120f910b46cf31e561099004d7ecaf3bd0f9ff852d989492bec4a282d0c3ed3"
"miro-verification=0f7d07a6003bc87a6792cef1c3ac2d135651476d"
"brevo-code:b1414e0a234265a2faa294058248ae06"
"onetrust-domain-verification=af5b9aa272b8428aa14d71530ccca896"
"onetrust-domain-verification=6e07e108aa7e4b4f8ad5f141e9e72810"
"A9922BFA-3D3E-4834-A4D7-B185DF8ED146"
"google-site-verification=jKfq25rMyR3Z7aM2RNHfsJcoCm0LANqAxIS59rQlyro"
"sign-in-app-verification=inqFC-DqfhoztSvRaCVTdI82OdHrkB6BkNVmsLv7oBc"
"v=spf1 include:spf.protection.outlook.com include:_spf.google.com exists:%{ir}.spfx.bristol.ac.uk include:%{l}.spfx.bristol.ac.uk ~all"

NS

3 record(s)
irix.bris.ac.uk.
ncs.bris.ac.uk.
ns3.ja.net.

SOA

1 record(s)
ncs.bris.ac.uk. hostmaster.bris.ac.uk. 2026080931 28800 7200 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.bristol.ac.uk.

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
v=spf1 include:spf.protection.outlook.com include:_spf.google.com exists:%{ir}.spfx.bristol.ac.uk include:%{l}.spfx.bristol.ac.uk ~all

DMARC

Configured
v=DMARC1; p=quarantine; rua=mailto:dmarc-rua@bristol.ac.uk,mailto:dmarc-rua@dmarc.service.gov.uk;

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArfAkDcGhzMgvY5ETAdyTBqPpOqt8BzVQR2zg59n/CweoAX5tNrP3rkO3R6ZB9WLTdyB6opMn5Lpl63gYuoc7HQi7TmPYSi+Zv5nCuLfqGfgFnFiI6y0Uxix44yI8XzlMtb5pf9xrmFReTGZtbwApfanCNabBPGB2coJptaYkZHHWMTEz3imwQxetP3WT+rxymR9zbn+D9B3OlG4VFvt6Up1kMlRAAzwXLgjig82Uzr9QslyTZbIqZvsFeZMQ5tqVubcUSIFNd0cdnfaTSIiKoo4khOAShp85EFjotBdk9n77lHYM1TOV+no44lpmJUqJH7DH8P2ro6OCUqx7N87lUQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Homepage | University of Bristol
Description
Official university site with information on undergraduate and postgraduate courses, research, teaching, study and departments. Located in Bristol, in the South West of England., Official university site with information on undergraduate and postgraduate courses, research, teaching, study and departments. Located in Bristol, in the South West of England.
Final URL
https://www.bristol.ac.uk/
HTTP status
206

HTTP

Status
HTTP/1.1 200 OK
Final URL
https://www.bristol.ac.uk/
Version
2
Server
Apache
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Sectigo Limited
CN
www.bristol.ac.uk
Valid from
2025-10-12T19:00:00-05:00
Valid until
2026-10-15T18:59:59-05:00
Days remaining
67
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256

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
137.222.125.160, 137.222.180.160
142,19 ms
Cloudflare
1.1.1.1
137.222.125.160, 137.222.180.160
356,91 ms
Quad9
9.9.9.9
137.222.125.160, 137.222.180.160
370,92 ms
OpenDNS
208.67.222.222
137.222.125.160, 137.222.180.160
223,72 ms
AdGuard
94.140.14.14
137.222.125.160, 137.222.180.160
291,69 ms

IP, geolocation and ASNAssociated network information

137.222.125.160

No data
success
No
country
region
city
asn
organization
isp

137.222.180.160

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

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

Port 25: Closed/unreachable - 37.5 ms - 
Port 465: Closed/unreachable - 4020.7 ms - 
Port 587: Closed/unreachable - 4048.8 ms -

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