letsencrypt.org
The domain letsencrypt.org answers at IP address 63.176.8.218. The domain DNS is managed by Cloudflare, which decides where each subdomain points. Mail for letsencrypt.org goes through 5 servers; the highest priority one is aspmx.l.google.com. It also publishes 4 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 63.176.8.218 40s
- 35.157.26.135 40s
AAAA AAAA records
MX MX records
- 1 aspmx.l.google.com 1183s
- 5 alt1.aspmx.l.google.com 1183s
- 5 alt2.aspmx.l.google.com 1183s
- 10 aspmx3.googlemail.com 1183s
- 10 aspmx2.googlemail.com 1183s
NS NS records
- owen.ns.cloudflare.com 21600s
- vera.ns.cloudflare.com 21600s
TXT TXT records
- v=spf1 include:_spf.google.com ip4:23.178.112.0/24 ip4:66.133.109.36 ip4:64.78.152.132 include:mail.zendesk.com include:_spf.intacct.com -all 300s
- pardot1011011=d160caff32c4415bb46bb82d8c50e5bea7ea1a74f5a149cb96bd952467266044 300s
- sending_domain1011011=f98c68e7636a708a1987c7b9da300d64a354041fa41ea2039fbb02bc18c4ed0f 300s
- anthropic-domain-verification-eer9ky=uy5e3EOy8j15k1u9UesevyP1N 300s
SOA SOA records
- owen.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.