Domain technical report
Security | Glassdoor
glassdoor.co.uk
IPv42
IPv60
MX5
NS2
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78
Total
85
DNS
90
Email
92
Security
35
Network
60
Availability
Domainglassdoor.co.uk
IPv42
IPv60
MX records5
StatusActive
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
2 NS record(s); 2 or more required.
SOA record10 / 10 pts · Dns
Authoritative zone record.
DNSSEC chain15 / 15 pts · Dns
DS and DNSKEY detected.
CAA policy0 / 5 pts · Dns
Certificate authority restriction.
DNS propagation10 / 10 pts · Dns
Agreement between public resolvers.
MX records20 / 20 pts · Mail
5 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
86 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers27 / 35 pts · Security
7 of 9 evaluated headers detected.
PTR reverse DNS0 / 30 pts · Network
PTR not detected.
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 response0 / 40 pts · Availability
HTTP/2 403
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
2 record(s)172.64.151.73 104.18.36.183
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
5 record(s)1 aspmx.l.google.com. 5 alt1.aspmx.l.google.com. 10 aspmx2.googlemail.com. 5 alt2.aspmx.l.google.com. 10 aspmx3.googlemail.com.
TXT
8 record(s)"google-site-verification=u5xWHHZy2OdwVpFjsn0ec2Nh0mtZJrPzdt3O-_eUuVg" "google-site-verification=rfmvtOZ1145yTeFtbOh2pOVsFlPI_vCGspmJL0tRY2Q" "hxlgbzk55pqy33plc0517c3m353lgfds" "google-site-verification=PE2V3QY2YQ8yvVB3mW134dbE0NDGflH-k0MDU1o3KzY" "3byk7lyv4ywx4kzk52zjylg301bcw4yn" "v=spf1 include:_spf.google.com -all" "tpz5fhsvj58dq5wx22vcdcv9s08bxfy5" "google-site-verification=pmbE7nwuaH283lxZHo_JNJH97x4vnGXjtMwkFDFPfzk"
NS
2 record(s)nitin.ns.cloudflare.com. irma.ns.cloudflare.com.
SOA
1 record(s)irma.ns.cloudflare.com. dns.cloudflare.com. 2411523462 10000 2400 604800 1800
CAA
0 record(s)—
Not configured
DS
1 record(s)2371 13 2 410EAD600158258E7C1809DE8B3C07F32F44059414C3AA752F2876D0 6DB4181C
DNSKEY
2 record(s)256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA== 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
RRSIG
0 record(s)—
Not configured
NSEC
1 record(s)\000.glassdoor.co.uk. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA
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
Configuredv=spf1 include:_spf.google.com -all
DMARC
Configuredv=DMARC1; p=reject; rua=mailto:postmaster@glassdoor.com;
DKIM
Selector googlev=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlr9AUW25vDp0clc31eXALiv6e0OScYLNVMq4QNwWJrHAFtB4OI6PvQBmgln2p1I//7lK2mkVhPw1oO+v1vnT2Guhg2FcibrQ2QsU1N42KZl85FrvH9L2HxtuvSctQZqRONuuyFrC5ePjJPcQ0/ydyglXM7nJZgyQmZAoPYCKYfbNc7qwcLzzcuO2tIlh6Aa+aUXasKQcGMJVw3bOFM+LW+bbeRwT6rWpJ1+iXgGe6wqeWJ2tF+PALIN7kwegICo2v9NyCkQMhuNFmnXSnHcBiqHhj/+YpTyxSRvFcPJ3YjdIVgZdhoCkrhVh28yfzfNmLl6eSheN4NuPw36xTkMhbwIDAQAB
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Security | Glassdoor
Description
Final URL
https://www.glassdoor.co.uk/
HTTP status
403
HTTP
Status
HTTP/2 403
Final URL
https://www.glassdoor.co.uk/
Version
3
Server
cloudflare
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Google Trust Services
CN
glassdoor.co.uk
Valid from
2026-08-06T11:35:50-05:00
Valid until
2026-11-04T11:35:48-06:00
Days remaining
86
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
7 activeHSTSNot detected
Content Security PolicyNot detected
X-Content-Type-OptionsImplemented
X-Frame-OptionsImplemented
Referrer PolicyImplemented
Permissions PolicyImplemented
Cross-Origin-Opener-PolicyImplemented
Cross-Origin-Embedder-PolicyImplemented
Cross-Origin-Resource-PolicyImplemented
DNS propagationComparison across public resolvers
Public resolver comparison
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8104.18.36.183, 172.64.151.73
53,58 ms
Cloudflare
1.1.1.1104.18.36.183, 172.64.151.73
24,69 ms
Quad9
9.9.9.9104.18.36.183, 172.64.151.73
28,95 ms
OpenDNS
208.67.222.222104.18.36.183, 172.64.151.73
59,82 ms
AdGuard
94.140.14.14104.18.36.183, 172.64.151.73
46,55 ms
IP, geolocation and ASNAssociated network information
172.64.151.73
No datasuccess
No
country
region
city
asn
organization
isp
104.18.36.183
No datasuccess
No
country
region
city
asn
organization
isp
Visitor information
Visitorip
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
aspmx.l.google.com
Port 25: Closed/unreachable - 22 ms - 220 mx.google.com ESMTP 586e51a60fabf-459f19ee60csi7716710fac.20 - gsmtp Port 465: Closed/unreachable - 4020.8 ms - Port 587: Closed/unreachable - 4021 ms -