← /check (run another)
/audit
Monitor this daily →alistapart.com
1 issue need attention
/ssl/tls
days left72
issuerGoogle Trust Services
authorizedyes
expires2026-08-29
/domain/whois
days left322
registrarNetwork Solutions, LLC
expires2027-05-06
nameservers5
/http
status200
latency39ms
redirectedno
final hostalistapart.com
/dns
A199.16.172.59, 199.16.173.72
AAAA—
MX5
NS5
TXT3
/seo
titleA List Apart – For people who mak…
descriptionyes
canonicalyes
noindexno
OG metayes
sitemap urls3
/email auth
SPFpresent
DMARCnone
DKIM keys—
/security headers
scoreC
HSTSpresent
CSPpresent
X-FrameSAMEORIGIN
mixed content2 ref(s)
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