DNS Report: hmlc.edu.cn

Generated: 2026-08-10T19:46:30-05:00

17/100

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.
OKCAA policy5/5Certificate authority restriction.
ERRORDNS propagation0/10Agreement between public resolvers.
OKMX records20/203 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
;; communications error to 69.64.44.20#53: timed out
MX
;; communications error to 69.64.44.20#53: timed out
10 hzmx02.mxmail.netease.com.
5 hzmx01.mxmail.netease.com.
TXT
;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> hmlc.edu.cn TXT +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached
NS
;; communications error to 69.64.44.20#53: timed out
dns.hmlc.edu.cn.
SOA
;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> hmlc.edu.cn SOA +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached
CAA
;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> hmlc.edu.cn CAA +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached
DS
DNSKEY
;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> hmlc.edu.cn DNSKEY +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached
RRSIG
NSEC
;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> hmlc.edu.cn NSEC +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached
NSEC3
;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> hmlc.edu.cn NSEC3 +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached
SRV
;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> hmlc.edu.cn SRV +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached
NAPTR
;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> hmlc.edu.cn NAPTR +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached
TLSA
;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> hmlc.edu.cn TLSA +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached
SSHFP
;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> hmlc.edu.cn SSHFP +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached