DNS Report: xjtu.edu.cn

Generated: 2026-08-10T00:04:28-05:00

30/100

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 records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
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
10 mail.xjtu.edu.cn.
TXT
"adobe-idp-site-verification=8c7998ef2c812bb0b26d2b0a4dcac3a18d0688e18e43d456bc4260f9d0bc2191"
"v=spf1 ip4:162.105.129.0/24 ip4:202.117.1.0/24 ip4:117.32.155.53 ip6:2001:250:1001:1::1/64 include:spf.icoremail.net ~all"
NS
dec3000.xjtu.edu.cn.
ns2.xjtu.edu.cn.
SOA
dec3000.xjtu.edu.cn. root.dec3000.xjtu.edu.cn. 1510304804 1800 1800 3600 3600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP