DNS Report: hkust.edu.hk

Generated: 2026-08-09T19:14:06-05:00

66/100

Diagnostics

Status	Check	Points	Details
OK	IPv4 (A)	30/30	1 IPv4 address(es) detected.
ERROR	IPv6 (AAAA)	0/10	0 IPv6 address(es) detected.
OK	Name server redundancy	20/20	2 NS record(s); 2 or more required.
OK	SOA record	10/10	Authoritative zone record.
ERROR	DNSSEC chain	0/15	Both DS and DNSKEY are required.
ERROR	CAA policy	0/5	Certificate authority restriction.
OK	DNS propagation	10/10	Agreement between public resolvers.
OK	MX records	20/20	3 MX record(s).
ERROR	SPF	0/25	SPF policy not found.
ERROR	DMARC	0/25	DMARC policy not found.
ERROR	DKIM	0/20	No tested DKIM selector responded.
ERROR	MTA-STS	0/5	Mail transport policy.
ERROR	TLS-RPT	0/5	TLS reporting policy.
OK	Valid TLS certificate	55/55	125 day(s) remaining.
OK	Certificate lifetime	10/10	Full points require at least 30 days remaining.
WARNING	HTTP security headers	12/35	3 of 9 evaluated headers detected.
OK	PTR reverse DNS	30/30	PTR: www.ust.hk
WARNING	IPv4 diversity	20/35	Two or more IPv4 addresses receive full points.
ERROR	IPv6 connectivity	0/35	AAAA availability.
OK	DNS resolution	40/40	At least one address family must resolve.
OK	HTTP response	40/40	HTTP/2 200
OK	HTTPS final URL	20/20	Final URL uses HTTPS.

Tipo	Values
A	143.89.209.9
AAAA
CNAME
MX	;; communications error to 69.64.44.20#53: timed out 10 mx6.ust.hk. 10 mx5.ust.hk.
TXT	"google-site-verification=Jgaw6K4UNUdEuhk77Z1F3_JK9Dpa6VwTj56OTEn5uls" "google-site-verification=LO6R3Sm71bBmLqDtYdVqzXMpnVcI-CDQU5cdtWZCG3M"
NS	ustsu2.ust.hk. ustsu1.ust.hk.
SOA	ustsu1.ust.hk. postmaster.ust.hk. 2026080704 3600 300 604800 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP