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w3.org

IP address 104.18.23.19
DNS managed by Cloudflare
Mail Configured
Records 17

The domain w3.org answers at IP address 104.18.23.19. The domain DNS is managed by Cloudflare, which decides where each subdomain points. Mail for w3.org goes through 2 servers; the highest priority one is pan.w3.org. It also publishes 8 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.

A A records

AAAA AAAA records

MX MX records

NS NS records

TXT TXT records

  • google-site-verification=CZkSL9bXgKDxRmeDnAQorwhaQy3Ji1vTn36bBn5rL-E 300s
  • google-site-verification=dS4IjfXgopxupUFDAqg3wk94IIZ2GuQ-jW4wiLm69Rg 300s
  • google-site-verification=cu9dn6ytlndLOV87MLxedTHxoKTRKk0dUf_jXK8OsTc 300s
  • ca3-d6556337888945edac9c159a068c46a2 300s
  • 853C844562 300s
  • anthropic-domain-verification-xwqnyg=KpEpoEkHUmXnsWC0mhnfKFBrr 300s
  • v=spf1 mx ip4:34.238.48.92 ip4:34.199.101.240 ip6:2600:1f18:7d7a:2700::/56 include:_spf.google.com ~all 300s
  • google-site-verification=5TpwKtmzdpa5fntQgKHY96mTJ3FiSn9fGp07XKxFsMk 300s

SOA SOA records

  • jamie.ns.cloudflare.com 1800s

What each record means

  • A and AAAA: the server IP address, in IPv4 and IPv6.
  • MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
  • NS: the name servers, which have the final say over the domain DNS.
  • TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
  • TTL: how many seconds the record may be cached before asking again.

Checked 4 hours ago.