DNS Report: duoduocdn.com

Generated: 2026-08-09T10:57:50-05:00

12/100

Diagnostics

StatusCheckPointsDetails
ERRORIPv4 (A)0/300 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 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.
ERRORDNS propagation0/10Agreement between public resolvers.
ERRORMX records0/200 MX record(s).
ERRORSPF0/25SPF policy not found.
ERRORDMARC0/25DMARC policy not found.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
ERRORValid TLS certificate0/55No valid certificate was retrieved.
ERRORCertificate lifetime0/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
ERRORIPv4 diversity0/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
ERRORDNS resolution0/40At least one address family must resolve.
ERRORHTTP response0/40No successful HTTP response.
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
AAAA
CNAME
MX
TXT
"_globalsign-domain-verification=KhV2VhiEpevtOzskE_9-j-fejSjQN_Dh2fEaYtBO_u"
"_globalsign-domain-verification=B-fHMUsV_DiQbDyPFO3IkWnQz19H_--TPLlqpXUEHF"
"openai-domain-verification=dv-oqhHCXNS7i8ZxDzakjVbEcMP"
"_globalsign-domain-verification=nQFdpYgVdzglNwocQs9fyE0gfFh6KrJycEPXhMmOj9"
"_globalsign-domain-verification=v56dbow_1VB9O7P_TTSsN3jcCjfqS2r449u5yFRQLR"
NS
vip3.alidns.com.
vip4.alidns.com.
SOA
vip3.alidns.com. hostmaster.hichina.com. 2018082123 3600 1200 86400 600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP