DNS Report: thomascook.com

Generated: 2026-08-10T22:10:44-05:00

74/100

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 records20/201 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 certificate55/5585 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: a23-200-156-20.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.
ERRORHTTP response0/40HTTP/2 403
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
23.200.156.20
23.200.156.18
AAAA
2600:1407:7400:5f::17d1:5ee8
2600:1407:7400:5f::17d1:5ee9
CNAME
MX
10 smtp.google.com.
TXT
"MS=ms66373475"
"k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCjvLoSGaQ+tjM7bSmC7tI9xGsRRnlYYb3YYDXe1u7BOKATPJCGZ5PDf4StR17ZzDN6AHcSOfUqeivwrEFPqyEaw/FMZEzv9dzomom/vgWAlT55qUtNnF09nR2VfelM1G0UVNqmrTipUaweS1zp50xjuT92DgpIw61r9rdRYLFbMQIDAQAB"
"d2lahvjt5jne9i.cloudfront.net"
"tiktok-developers-site-verification=7ZG6wbtQMvdzzbcl6Hx3QpRc34dxCHSb"
"QHgvdWsw9IqK0KvghOqDA1I0xZo6YQbkCVneDLOdC8M="
"rkddbrqyjkh4yvbkqm5ktgc5x1jcplky"
"28hnvb6q65y8s73x5dj5hrxw9hl5qcjs"
"mojecertpl-site-verification-h12rseN6efFoJK2BD7Tu34Ckxinx4DLH"
"v=spf1 include:spf.protection.outlook.com include:spf.ssmx.net include:_spf.emaillabs.net.pl include:_spf.google.com -all"
"anthropic-domain-verification-28263z=FaODbDdLZDgVVwotzvhbVLFil"
"4lbun0lc0dmjgk0ol0bb5flrnh"
"google-site-verification=PlZ7YgC-vitseHxngj-NYfEmtkyWumafgaYxdnIZjKQ"
"MS=ms41797821"
"MS=ms31863047"
"google-site-verification=nTZ6a_PjfJJjx-i-1sd02hrZKW5esJE2f0601eb2ic0"
"facebook-domain-verification=wv3jccfml3cs4meumrlx2ifi0exxyg"
"notion-domain-verification=HmQn7QgHWuUcGUSFjRF3zb66rKUIGBGBRY3ZMTE2oJM"
"pardot269772=1d6edbd85f7090b566a705e85d99f7d532bd340e860f5d19d34735e3d6970441"
"MS=ms41831275"
"vd9a15edu1jbbm4lqd8kkr6na1"
"ubsiidq08v8fdtv22qriake821"
"MS=ms53147880"
NS
a6-66.akam.net.
a5-65.akam.net.
a1-156.akam.net.
a24-67.akam.net.
a7-67.akam.net.
a4-64.akam.net.
SOA
a1-156.akam.net. a24-67.akam.net. 2024092938 3600 600 604800 300
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP