DNS Report: letterboxd.com

Generated: 2026-08-08T23:23:36-05:00

81/100

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.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/205 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 certificate55/5569 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers31/358 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.
ERRORHTTP response0/40HTTP/2 403
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
104.20.22.249
172.66.168.234
AAAA
2606:4700:10::ac42:a8ea
2606:4700:10::6814:16f9
CNAME
MX
10 alt3.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
1 aspmx.l.google.com.
10 alt4.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
TXT
"v=spf1 include:_spf.google.com ip4:107.181.253.98 ip4:216.18.206.170 ip4:23.252.125.202 include:mail.zendesk.com -all"
"yahoo-verification-key=nnwi73eFY9zUGW5MOFMyFuvhxFmPnySFLZyJf4QmNx4="
"google-site-verification=vr_zjYN3BM6NQE1--g4om5pWdhk8ituDccKJWS274mE"
"twilio-domain-verification=e1786b2574779e0531aba8d7470ad271"
"google-site-verification=Y-zkjggIRxeVV3sXhXaN7qrdh1PxJkPoJdTuF9MMhrs"
"apple-domain-verification=qVnI-JrN4zuhuHbKgoLdZfL2LNwzEkW0KmU0nYXQ1Pg"
"facebook-domain-verification=rlqrz8ctxk6c5gwg7ofzinsurscjqs"
"google-site-verification=2wdFpOSsCNleUqOWpW8bx0gx1_tlr9vxpuARUguKw9s"
NS
major.ns.cloudflare.com.
isla.ns.cloudflare.com.
SOA
isla.ns.cloudflare.com. dns.cloudflare.com. 2411533489 10000 2400 604800 1800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP