DNS Report: linux.com

Generated: 2026-08-09T04:38:56-05:00

77/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
OKIPv6 (AAAA)10/102 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.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/202 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 certificate55/5549 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers4/351 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
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
23.185.0.3
AAAA
2620:12a:8001::3
2620:12a:8000::3
CNAME
MX
10 mx1.forwardemail.net.
10 mx2.forwardemail.net.
TXT
"8112310.spf10.hubspotemail.net"
"forward-email-site-verification=JV5pfF4sKV"
"v=spf1 ip4:198.145.29.98 include:_spf.google.com include:amazonses.com include:mailgun.org include:spf.forwardemail.net include:spf.messagingengine.com ~all"
"globalsign-domain-verification=GAw3QxpoQCUd6MEBcIrvwmn1548c2kZ_M8jDU57Ho3"
"google-site-verification=oGlHyAcoij5H-f9oD_WyPZLySBNASgAGQxkmbrKFblo"
"google-site-verification=AqV3SU_MRUY0GYnNYAKi_6pa0S1WU7hfq5SapcMUycI"
"google-site-verification=SDW6U9788xC80xinO4aDxrgD4bkaCjLozXPv4R7oMbk"
NS
ns1.dnsimple-edge.com.
ns4.dnsimple-edge.org.
ns2.dnsimple-edge.net.
ns3.dnsimple-edge.io.
SOA
ns1.dnsimple-edge.com. admin.dnsimple.com. 1557514271 86400 7200 604800 300
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP