DNS Report: dlut.edu.cn

Generated: 2026-08-10T23:25:22-05:00

21/100

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.
OKMX records20/202 MX record(s).
OKSPF25/25SPF policy published.
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
20 mx2.dlut.edu.cn.
20 mx1.dlut.edu.cn.
TXT
"0ft5wnq5yl68y6qqmxb1371107hwz3p6"
"v=spf1 ip4:202.118.66.80 ip4:202.118.66.81 ip4:202.118.66.82 ip4:202.118.65.160 ip4:202.118.66.85 ip4:202.118.66.86 ip4:202.118.66.13 ip4:202.118.66.15 -all"
"adobe-idp-site-verification=b523cfa0f8c9516a179a81c7098e52b16f7cdf3af530d55011e098dddc5514d4"
NS
gingko.dlut.edu.cn.
cedrus.dlut.edu.cn.
SOA
cedrus.dlut.edu.cn. ygh.dlut.edu.cn. 2026073006 10800 4800 604800 432000
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP