DNS Report: firefox.com

Generated: 2026-08-08T17:59:33-05:00

86/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
OKIPv6 (AAAA)10/101 IPv6 address(es) detected.
OKName server redundancy20/204 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 records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5560 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers23/356 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: 201.14.190.35.bc.googleusercontent.com
WARNINGIPv4 diversity20/35Two 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
35.190.14.201
AAAA
2600:1901:0:c197::
CNAME
MX
10 smtp1.mdc1.mozilla.com.
TXT
"facebook-domain-verification=wcer1w80xkwrzqftwc3shhkel9ys8m"
"kr1887r7cjn94rzlgp1bpnj8v94wd3mg"
"google-gws-recovery-domain-verification=70476672"
"3mjnbdj3h9wpslgz0gfly0pbr94wd12y"
"_vrrc3v9222jxd6yhvt728lc4om6z0ff"
"google-site-verification=ZqFMUZ8Gzf13U_nchwvBgRE_sRAxAR5xLz-X5w4BU4s"
"v=spf1 mx a include:amazonses.com include:mail.zendesk.com include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all"
NS
ns1-240.akam.net.
ns7-66.akam.net.
ns5-65.akam.net.
ns4-64.akam.net.
SOA
ns5-65.akam.net. sysadmins.mozilla.org. 2018043045 180 180 1209600 3600
CAA
128 iodef "mailto:foxsec+caaiodef@mozilla.com"
128 issue "digicert.com"
128 issue "amazon.com"
128 issue "letsencrypt.org"
128 issue "awstrust.com"
128 issue "amazonaws.com"
128 issue "amazontrust.com"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP