☰

ycombinator.com

IP address 18.66.112.120
DNS managed by Amazon Route 53
Mail Configured
Records 34

The domain ycombinator.com answers at IP address 18.66.112.120. The domain DNS is managed by Amazon Route 53, which decides where each subdomain points. Mail for ycombinator.com goes through 4 servers; the highest priority one is aspmx.l.google.com. It also publishes 13 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

  • ZOOM_verify_2ndw8KZxSRa8PT8NmdyXvw 300s
  • rippling-domain-verification=a660f7a4ab77a3de 300s
  • google-site-verification=GJKdQskycEclAGPua3yXB9m_nVhxbrsVps_y-t9SXV0 300s
  • ca3-4861b957e83847c188e45d04ec314ee3 300s
  • v=spf1 include:_spf.google.com include:mailgun.org a:rsweb1-36.investorflow.com include:_spf.createsend.com include:servers.mcsv.net -all 300s
  • google-site-verification=rivq8jKu6AADGtbbEzJhmOpcqq08B7QxIzXxYV8DtyU 300s
  • openai-domain-verification=dv-QbhxxK0G0JK0dnyZ4YTsNAfw 300s
  • dropbox-domain-verification=asc63coma4mv 300s
  • MS=ms37374900 300s
  • apple-domain-verification=WG0sP5Alm7N6h1Te 300s
  • anthropic-domain-verification-0qe2ww=yK576oHdDgyTcXgkPfj1KXgGt 300s
  • google-site-verification=KsI69Y_jEVkp4eXqSQ9R9gwxjIpZznvuvrus6UolB9Y 300s
  • Wayback verify for support request 741082 300s

SOA SOA records

  • ns-225.awsdns-28.com 242s

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 3 hours ago.