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Total

DNS

Email

Security

Network

100

Availability

Domainbbk.ac.uk

IPv43

IPv60

MX records2

StatusActive

Domain technical report

Home - Birkbeck, University of London

bbk.ac.uk

We specialise in learning that fits around you: we teach in the evenings, during the day, and online. We’re a world class teaching and research institution and we award University of London degrees.

Generated: 2026-08-09T21:48:50-05:00 · Cached result

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IPv43

IPv60

MX2

NS3

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

3 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

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

129 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: ec2-35-179-231-143.eu-west-2.compute.amazonaws.com

✓

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/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

3 record(s)

35.179.231.143
13.134.52.53
13.41.116.211

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

5 d219892.b.ess.uk.barracudanetworks.com.
6 d219892.a.ess.uk.barracudanetworks.com.

TXT

16 record(s)

"MS=ms16765595"
"FcJjDWR5NpDOosOFpU5sq1G6Bqf24VzGKR91+Ohqhrm+YsZYxQn9PnhTQwKWScbC3/c1rXCid6EhSSmoMAIy7w=="
"twilio-domain-verification=e00d25f36e9501e64e9997deee5f90a4"
"_asxvskvutu1ojl26g2oq3ssryeao41i"
"CCIKVJH5H1X04YOV2E9E1NLF33UHDN1EFTAG6VL6Z"
"facebook-domain-verification=1eohtpxzbttgsljws39xow4ign2z60"
"v=spf1 include:spf.ess.uk.barracudanetworks.com include:spf.protection.outlook.com include:cmail1.com include:_spf.createsend.com include:_spf.bbk.ac.uk ~all"
"_xn30txrvuop5qvrp0h9slp8tbd8aunh"
"8BC046EF-F37E-4221-857D-6D5A4078A888"
"miro-verification=0d8a789d7aba0a0b462d621d998febcc3a15d463"
"google-site-verification=Op1wcG1NKzqGJKA9FG3OWmONOfUSwNyZASEerYk5RPc"
"mentimeter-c1584994-0aff-4e8b-a1b3-f31dc11b593a"
"access-domain-verification=69a2965b5cdada48b295177a9ccc585582d7ec6761fd060c5b19f1b02020359a"
"QuoVadis=e1e2bb41-0a91-4e9f-9bbb-c2c7725245a2"
"bw=1wKydjumB4HGIhiFseMOINzm3yvLI2iDCuBzhavllzif"
"mindmanager-verification=dfd25f4dd117cb9ccf01271a58f03d548b137cb547af8bd0491d4f6da77e17ec"

NS

3 record(s)

ns11.ja.net.
ns10.ja.net.
ns12.ja.net.

SOA

1 record(s)

ns11.ja.net. hostmaster.ns11.ja.net. 2024063415 43200 3600 3600000 3600

CAA

8 record(s)

0 issuewild "pki.goog"
0 issuewild "amazontrust.com"
0 issue "sectigo.com"
0 issue "amazontrust.com"
0 issue "letsencrypt.org"
0 issue "pki.goog"
0 issuewild "letsencrypt.org"
0 issuewild "sectigo.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

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 include:spf.ess.uk.barracudanetworks.com include:spf.protection.outlook.com include:cmail1.com include:_spf.createsend.com include:_spf.bbk.ac.uk ~all

DMARC

Configured

v=DMARC1;p=none;fo=1;rua=mailto:rua+bbk.ac.uk@dmarc.barracudanetworks.com;ruf=mailto:ruf+bbk.ac.uk@dmarc.barracudanetworks.com

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDUyi0NV3R5hZtAMaFKGmVJ+p4c4woWvPyXJ38DHUSDIhZX7x/4Cw8OkZ8DEZbvLEGQT8E+JY7veSwm9ZTe5/fCgLN4bz27BOCJ31Ku8VcOUhsPO86a1cYhYz+c2AbUE7MI1NqEfEJtgiUfUPZhRlovPiEf+ck3vZoh6jNsi+934wIDAQAB; n=1024,1471389793,1487287393

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Home - Birkbeck, University of London

Description

Final URL

https://www.bbk.ac.uk:443/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.bbk.ac.uk:443/

Version

Server

gunicorn/20.0.4

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Amazon

bbk.ac.uk

Valid from

2026-06-02T19:00:00-05:00

Valid until

2026-12-17T17:59:59-06:00

Days remaining

129

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

4 active

—

HSTSNot detected

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

—

Permissions PolicyNot detected

✓

Cross-Origin-Opener-PolicyImplemented

—

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

13.134.52.53, 13.41.116.211, 35.179.231.143

139,46 ms

Cloudflare

1.1.1.1

13.134.52.53, 13.41.116.211, 35.179.231.143

140,57 ms

Quad9

9.9.9.9

13.134.52.53, 13.41.116.211, 35.179.231.143

167,26 ms

OpenDNS

208.67.222.222

13.134.52.53, 13.41.116.211, 35.179.231.143

243,21 ms

AdGuard

94.140.14.14

13.134.52.53, 13.41.116.211, 35.179.231.143

183,37 ms

IP, geolocation and ASNAssociated network information

35.179.231.143

No data

success

country

region

city

asn

organization

isp

13.134.52.53

No data

success

country

region

city

asn

organization

isp

13.41.116.211

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

d219892.b.ess.uk.barracudanetworks.com

Port 25: Closed/unreachable - 8.5 ms - 
Port 465: Closed/unreachable - 4020.7 ms - 
Port 587: Closed/unreachable - 95.5 ms - 220 mail.ess.uk.barracuda.com ESMTP (mx-inbound16-167.eu-west-2b.ess.aws)

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