DNS Report: dublincore.org

Generated: 2026-08-11T02:28:12-05:00

83/100

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.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/205 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
ERRORDKIM0/20No tested DKIM selector responded.
OKMTA-STS5/5Mail transport policy.
OKTLS-RPT5/5TLS reporting policy.
OKValid TLS certificate55/5589 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers12/353 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.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
172.66.169.209
104.20.34.74
AAAA
2606:4700:10::ac42:a9d1
2606:4700:10::6814:224a
CNAME
MX
5 alt1.aspmx.l.google.com.
1 aspmx.l.google.com.
10 alt4.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
TXT
"v=spf1 include:_spf.google.com -all"
"google-site-verification=JTZN4gW9xLS_n5cWQaoSfIAaQGHb2WI62_ETjSPboDU"
NS
crystal.ns.cloudflare.com.
hassan.ns.cloudflare.com.
SOA
crystal.ns.cloudflare.com. dns.cloudflare.com. 2411856925 10000 2400 604800 1800
CAA
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issuewild "comodoca.com"
0 issue "ssl.com"
0 issue "letsencrypt.org"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issue "comodoca.com"
0 issuewild "letsencrypt.org"
0 issuewild "ssl.com"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP