DNS Report: buaa.edu.cn

Generated: 2026-08-10T11:34:47-05:00

77/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
OKIPv6 (AAAA)10/101 IPv6 address(es) detected.
OKName server redundancy20/203 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 certificate55/5582 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
106.39.41.16
AAAA
2001:da8:203:15::2
CNAME
MX
10 mx-buaa-edu-cn.icoremail.net.
15 mx.buaa.edu.cn.
TXT
"MS=DDD44BF44E8598FDECA2178B4B703CF983400A7A"
"qqmail-site-verification=a513f06e260a18a428dd65d8f0234c793ca8f33fc50"
"v=spf1 include:spf.buaa.edu.cn -all"
NS
ns3.buaa.edu.cn.
ns2.buaa.edu.cn.
ns1.buaa.edu.cn.
SOA
ns1.buaa.edu.cn. mail.buaa.edu.cn. 2100006167 28800 3600 604800 1800
CAA
DS
DNSKEY
RRSIG
NSEC
;; communications error to 69.64.44.20#53: timed out
NSEC3
SRV
NAPTR
TLSA
SSHFP