DNS Report: zw.cn

Generated: 2026-08-10T14:35:46-05:00

68/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 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.
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 certificate55/5512 day(s) remaining.
WARNINGCertificate lifetime2/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/1.1 200 OK
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
123.57.245.41
AAAA
CNAME
MX
5 mx401.chinaemail.cn.
10 mxa401.chinaemail.cn.
TXT
"v=spf1 include:spf.chinaemail.cn -all"
NS
v1.dnsip.com.
v2.dnsip.com.
SOA
v1.dnsip.com. admin.dnsip.com. 1781509341 3600 300 1209600 1800
CAA
DS
DNSKEY
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 <<>> zw.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 <<>> zw.cn NSEC3 +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached
SRV
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 <<>> zw.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 <<>> zw.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 <<>> zw.cn SSHFP +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached