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85
Total
70
DNS
90
Email
88
Security
65
Network
100
Availability
Domainlondon.edu
IPv42
IPv60
MX records2
StatusActive
Domain technical report

Home | London Business School

london.edu

We deliver postgraduate business education offering one of the world's best MBA programmes, Masters and PhD degrees, plus short courses for executives.

Generated: 2026-08-10T11:02:00-05:00 · Cached result

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IPv42
IPv60
MX2
NS4

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

4 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

33 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers23 / 35 pts · Security

6 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: afa7f374f51cc8991.awsglobalaccelerator.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

2 record(s)
15.197.167.90
3.33.186.135

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 eu-smtp-inbound-1.mimecast.com.
10 eu-smtp-inbound-2.mimecast.com.

TXT

13 record(s)
"a2ZP3UVf5WGnaeKmetV5SgxxsF7ZDPJdy9NUGbVdWLRNejP8vIaREYa0wVh6HvZB/3YueLh5x2RndtfH7cuYOA=="
"MS=ms38819436"
"atlassian-domain-verification=yWkeleecrmbRI2aPsG4TcRPofYZQiezPeslTxL8h1Qgbcs11MfdYeQHMMmcN9QLg"
"v=spf1 ip4:51.145.10.112 ip4:4.234.132.40 ip4:20.90.45.62 ip4:51.104.47.182 ip4:94.23.120.168 ip4:172.167.54.172 ip4:172.167.54.55 include:spf.protection.outlook.com include:eu._netblocks.mimecast.com include:customers.clickdimensions.com include:spf.con" "stantcontact.com include:spf.aluminati.net ~all"
"twilio-domain-verification=fdc916c6ebd7797c71a7e619af193c77"
"0F2EEE88-D5D9-464D-966F-FAFF6668B011"
"google-site-verification=pCet29HY7jE9f2H24tA1BVqTI_AbBVz_Nhg8qjzkYv8"
"058704AC0D95CE5DE24455A4E46BB9C7B7212E55"
"canva-site-verification=cbsmuXLUvDvSh59FlcZx2A"
"apple-domain-verification=gWeJwS2Do4EedfWZ"
"v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCp6j70Bk3h3Bue/la6qSIXZduYdPkTm0ClBc8Pq5yBzdsSplDvlFegqvmLLxRSiOJ12NcwXCwHDJN7H/vqi/mWwJzsvEuyBM5uIjkzD6Yg/qx1+L3QUN+9S+SDieV1l+4Awpb5sVE//O4ruXzvguob16Dif/VD2G2thfjp8GtvTQIDAQAB"
"teamtailor=c04147c24e6b2f34f4e3bc32ec9d2bcb"
"appspace-domain-verification=c0850ff496d5833443534bad21e6d69160bf60f583f316c65e7bbedbe3fea3b3"

NS

4 record(s)
ns1-04.azure-dns.com.
ns3-04.azure-dns.org.
ns4-04.azure-dns.info.
ns2-04.azure-dns.net.

SOA

1 record(s)
ns1-04.azure-dns.com. azuredns-hostmaster.microsoft.com. 1 3600 300 2419200 300

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

0 record(s)
—

Not configured

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
v=spf1 ip4:51.145.10.112 ip4:4.234.132.40 ip4:20.90.45.62 ip4:51.104.47.182 ip4:94.23.120.168 ip4:172.167.54.172 ip4:172.167.54.55 include:spf.protection.outlook.com include:eu._netblocks.mimecast.com include:customers.clickdimensions.com include:spf.constantcontact.com include:spf.aluminati.net ~all

DMARC

Configured
v=DMARC1; p=none; rua=mailto:fd16546b5227.a@dmarcinput.com; ruf=mailto:fd16546b5227.f@dmarcinput.com;

DKIM

Selector x
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCp6j70Bk3h3Bue/la6qSIXZduYdPkTm0ClBc8Pq5yBzdsSplDvlFegqvmLLxRSiOJ12NcwXCwHDJN7H/vqi/mWwJzsvEuyBM5uIjkzD6Yg/qx1+L3QUN+9S+SDieV1l+4Awpb5sVE//O4ruXzvguob16Dif/VD2G2thfjp8GtvTQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Home | London Business School
Description
We deliver postgraduate business education offering one of the world's best MBA programmes, Masters and PhD degrees, plus short courses for executives.
Final URL
https://www.london.edu/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://www.london.edu/
Version
3
Server
Netlify
X-Powered-By
Next.js

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
www.london.edu
Valid from
2026-06-15T06:28:14-05:00
Valid until
2026-09-13T06:28:13-05:00
Days remaining
33
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

6 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
✓
Permissions PolicyImplemented
—
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
15.197.167.90, 3.33.186.135
89,54 ms
Cloudflare
1.1.1.1
15.197.167.90, 3.33.186.135
62,61 ms
Quad9
9.9.9.9
15.197.167.90, 3.33.186.135
101,29 ms
OpenDNS
208.67.222.222
15.197.167.90, 3.33.186.135
56,83 ms
AdGuard
94.140.14.14
15.197.167.90, 3.33.186.135
99,15 ms

IP, geolocation and ASNAssociated network information

15.197.167.90

No data
success
No
country
region
city
asn
organization
isp

3.33.186.135

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

eu-smtp-inbound-1.mimecast.com

Port 25: Closed/unreachable - 0.9 ms - 
Port 465: Closed/unreachable - 4011.9 ms - 
Port 587: Closed/unreachable - 96 ms - 220 eu-smtp-inbound-1.mimecast.com ESMTP; Mon, 10 Aug 2026 17:02:00 +0100

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