DNS Report: w3.org

Generated: 2026-08-08T17:06:56-05:00

85/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 IPv4 address(es) detected.
OKIPv6 (AAAA)10/102 IPv6 address(es) detected.
OKName server redundancy20/202 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement 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 certificate55/5559 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers12/353 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
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/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
104.18.23.19
104.18.22.19
AAAA
2606:4700::6812:1613
2606:4700::6812:1713
CNAME
MX
5 pan.w3.org.
5 puck.w3.org.
TXT
"v=spf1 mx ip4:34.238.48.92 ip4:34.199.101.240 ip6:2600:1f18:7d7a:2700::/56 include:_spf.google.com ~all"
"ca3-d6556337888945edac9c159a068c46a2"
"google-site-verification=cu9dn6ytlndLOV87MLxedTHxoKTRKk0dUf_jXK8OsTc"
"google-site-verification=CZkSL9bXgKDxRmeDnAQorwhaQy3Ji1vTn36bBn5rL-E"
"google-site-verification=dS4IjfXgopxupUFDAqg3wk94IIZ2GuQ-jW4wiLm69Rg"
"853C844562"
"google-site-verification=5TpwKtmzdpa5fntQgKHY96mTJ3FiSn9fGp07XKxFsMk"
"anthropic-domain-verification-xwqnyg=KpEpoEkHUmXnsWC0mhnfKFBrr"
NS
pranab.ns.cloudflare.com.
jamie.ns.cloudflare.com.
SOA
jamie.ns.cloudflare.com. dns.cloudflare.com. 2410785264 10000 2400 604800 1800
CAA
0 issuewild "sectigo.com"
0 issuewild "comodoca.com"
0 issue "amazon.com"
0 issue "ssl.com"
0 issue "comodoca.com"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issue "letsencrypt.org"
0 issue "sectigo.com"
0 issuewild "ssl.com"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 iodef "mailto:sysreq@w3.org"
0 issuewild "letsencrypt.org"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP