DNS Report: postoffice.co.uk

Generated: 2026-08-10T18:37:23-05:00

88/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 IPv4 address(es) detected.
OKIPv6 (AAAA)10/102 IPv6 address(es) detected.
OKName server redundancy20/206 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
ERRORCAA policy0/5Certificate authority restriction.
ERRORDNS propagation0/10Agreement between public resolvers.
OKMX records20/202 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5562 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers23/356 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: a23-64-114-20.deploy.static.akamaitechnologies.com
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/1.1 200 OK
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
23.64.114.20
23.64.114.27
AAAA
2600:1407:7400:5f::17d1:5eeb
2600:1407:7400:5f::17d1:5ee8
CNAME
MX
5 eu-smtp-inbound-2.mimecast.com.
5 eu-smtp-inbound-1.mimecast.com.
TXT
"google-site-verification=7tNagvYW7ZfVFtlh137vYtrFVa9zfTlB_zQXVra-4Jw"
"blhhqlt51ll46bq7jthrgl3jg55m86tq"
"str7z0qd5sm76m407w3mzpktss2jh05z"
"asvdns_ce1be1d0-c649-4d4d-914a-4723a84ddfd0"
"00d4l000000cs6guas"
"0b5681d4de644757be50cd0d4bb829c7"
"Yx6pmfE0NKAhkPOhxU7/gg==:E290-4DD2-CAB4-47A8-069D-B760-BD40-305D"
"v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all"
"tc24pypwh8zrx9sm5x9dqrfj0y6sqpvj"
"Yx6pmfE0NKAhkPOhxU7/gg==:FA9F-F46B-E75A-F4CC-CC91-75AF-1CF0-6B8C"
"atlassian-domain-verification=2nVCQhH0s703CsXKBbesMRqPOAi7zOnDYbO2THRv3Sa2KQ7BhPBqawt5hSvWMZQL"
"fdnqw85wtpc0l0j2zqldpmv8swgjnn69"
"brevo-code:70df7540dafa8ea20f0eccbc493bb5ae"
"0gtkfw2yg36xkx2z3hq5n8sdxf4shcb6"
"v1gc6w5fppxh1nsgwlxcd9hx49zd2gl1"
"google-site-verification=S4LejI4JQMNyMky20rLji9HDFlRoFmEtpzPdNw8V4rQ"
"apple-domain-verification=u9ZMIVALbmhg6Nxh"
NS
a2-64.akam.net.
a24-64.akam.net.
a1-59.akam.net.
a5-64.akam.net.
a13-67.akam.net.
a12-65.akam.net.
SOA
a1-59.akam.net. hostmaster.postoffice.co.uk. 2025050776 3600 600 604800 300
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP