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Rank #7,195Updated November 10, 2026

caa.co.uk

UK Civil Aviation Authority

caa.co.uk is registered with UK-2 Limited t/a UK2 since March 23, 1995 (31.6 years). The registration expires on March 23, 2033. The site runs on Azure Front Door, jQuery, Content Security Policy and 2 other technologies. Its email security grade is B. Its SSL certificate is issued by Let's Encrypt and is valid for 66 more days.

Domain age
31.6 yrs
Technologies
5
Email security
B
SSL days left
66

Registration

RegistrarUK-2 Limited t/a UK2
RegisteredMarch 23, 1995
ExpiresMarch 23, 2033
UpdatedOctober 16, 2024
Statusactive
Name serversns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org, ns4-04.azure-dns.info
DNSSECNot signed

DNS records

TypeValueTTL
A13.248.160.1373600
A76.223.34.1243600
MXcaa-co-uk.mail.protection.outlook.com 10300
NSns1-04.azure-dns.com172800
NSns2-04.azure-dns.net172800
NSns3-04.azure-dns.org172800
NSns4-04.azure-dns.info172800
TXTapple-domain-verification=8X3p3xQ06i8eTPLu3600
TXTglobalsign-domain-verification=2686105B6E265E4C1201EF3BB1828A0A3600
TXTtinfoil-site-verification: 64ce0afa9e4b6a1be8f413e886d8ef133009cb19=9d85f78963fed97ef514cbaf4a98d4e99b42387d3600
TXTsuccessfactors-site-verification=YjNjZWZlZmU2YWVmZTAzM2U1ZGI5MGFlZjQ2ZDAxYzY2NTNlNzRlZGY3NDgwZWQ3NmY0OWM5M2FhM2Y2YWFhZA==3600
TXT6mr28CiBUrRSHSyOnF8RfAM0fgMCt5q1JKHu9RX2r0HWUgapZKoVi2D16PvSxWjnT5pEdjXNkW64PvPo/wcR5w==3600
TXTsuccessfactors-site-verification=NGQ0MzNlNmRkNWY2N2NjOGY0MDUwNDIzZmNiM2RhMThlZTQ3ZjkyODliMzMwMzQwZWU5OWI1YjE4Njg1MmJhNQ==3600
TXTanthropic-domain-verification-tc3n8g=6hHAvHjkUQgD3nhLsWMM1G2hH3600
TXT_globalsign-domain-verification=uUjFhLKtDQIJ8GTik2pL6ARIIqdxuRUcpEH81pJHvc3600
TXTG8cDzO9BqixO1LuDb99GkgDcKwlpzUJFRo3v3h/DW1uGsADAU1S9tRqDZYyuwnvmxyfoTGP7o5wSZg1Ksl1qdA==3600
TXTMS=ms791881123600
TXTglobalsign-domain-verification=e252dffdd4c71595c4319081ef65c5133600
TXTgumyeEQEYnVOug91/7F1VEbOR7OLUqBVnUELNKOoatXrRGUTdF6lWf/G8990LHIsaJeve1THfw75Gv/k/dnY4A==3600

Technology stack

Analytics and advertising IDs

google_tag_manager:GTM-5DPSN2ZJ

SSL certificate

ValidValid
IssuerUS, YR2, Let's Encrypt
ExpiresJanuary 16, 2027
Days remaining66
ProtocolTLSv1.3
Namescaa.co.uk

Email security

BScore 85/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnSPF uses 9 of the 10 allowed DNS lookups. Adding another service may break it.
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with -all: servers you have not listed are rejected (hard fail).
  • goodDMARC policy is reject: mail that fails authentication is blocked.
  • goodDMARC aggregate reports are sent to mailto:[email protected].
  • goodDKIM keys found (selector: selector1, selector2, k2, s1, s2, mandrill).
  • good1 MX record(s) found. Mail is handled by Microsoft 365.

Homepage metadata

TitleUK Civil Aviation Authority
DescriptionThe UK Civil Aviation Authority (CAA), the UK’s independent aerospace regulator, protects people and enables aviation. Provides guidance and services for passengers, pilots, aerodrome operators, airlines, commercial and general aviation operators, drone users, aerospace and spaceflight organisations, and aviation industry professionals.
Languageen-gb
IndexableYes
Word count540

About caa.co.uk

Who is the registrar of caa.co.uk?

caa.co.uk is registered with UK-2 Limited t/a UK2.

When does caa.co.uk expire?

The current registration of caa.co.uk expires on March 23, 2033. It was first registered on March 23, 1995.

What technology does caa.co.uk use?

We detected 5 technologies on caa.co.uk, including Azure Front Door, jQuery, Content Security Policy, HSTS, Google Tag Manager.

Does caa.co.uk protect its email with SPF and DMARC?

caa.co.uk scores 85/100 (grade B) for email security. SPF uses 9 of the 10 allowed DNS lookups. Adding another service may break it. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.

What are the name servers of caa.co.uk?

caa.co.uk uses ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org, ns4-04.azure-dns.info.